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Basics
Last updated: Feb 15, 2022

Basics

Java is one of the most popular and widely used programming languages and platforms. A platform is an environment that helps to develop and run programs written in any programming language.Java is fast, reliable, and secure. However to become proficient in any programming language, one firstly needs to understand the basics of that language. Let us learn the basics concepts.
Introduction to Java EASY
Explore the basics of Java programming with comprehensive introduction. Learn about Java's syntax, History, features, and more.
Author Aayoushee Ahlawat
16 upvotes
Java Full Stack Developer Roadmap EASY
In this article, we will explore the Java Full Stack Developer roadmap, covering essential front-end, back-end, database, frameworks, and tools for mastering full-stack development.
Author Rahul Singh
0 upvotes
History of Java EASY
In this article, we will learn about the History of Java. We will look at the different features that were added in the coming years in Java.
Author Gaurav Gandhi
0 upvotes
Is Java an Object-Oriented language? EASY
Explore why Java is an object-oriented programming language using OOP concepts like classes, objects, inheritance, abstraction, and encapsulation.
Author Anuradha_8356
1 upvote
Top 10 Best Java Compiler
In this article, we will discuss the Best Java Compilers that include some examples of IDEs that are available to run Java codes.
Author Rahul Singh
2 upvotes
Eclipse IDE for Java Developers EASY
In this blog, we will learn about Eclipse ide for Java developers. We will learn about debugging tools, version controls, and how to set up eclipse ide. We will also discuss its comparison with other IDEs.
Author Rahul Singh
0 upvotes
Java Bytecode Explained EASY
Learn what Java bytecode is, how it works with JVM, and why it’s platform-independent. Understand the role of .class files in Java program execution.
Author Gaurav Gandhi
0 upvotes
IntelliJ vs Eclipse EASY
IntelliJ vs Eclipse: A comprehensive difference between IntelliJ and Eclipse. Learn about which IDE suits your needs best.
Author Rahul Singh
1 upvote
Transient Keyword in Java MEDIUM
Explore the significance of the 'transient' keyword in Java programming. Learn how it affects object serialization and discover best practices for handling transient fields in your Java applications.
Author jay_03
1 upvote
Stream API in Java EASY
In this article, we will learn about the Stream API in Java with examples and learn its key features and benefits.
Author Sanjana kumari
0 upvotes
How to Generate a Random Number in Java? EASY
This article will guide you through different ways to generate random numbers in Java, covering various methods with syntax, examples, and best practices.
Author Pallavi singh
0 upvotes
Double vs Float in Java – Key Differences Explained EASY
Float vs Double in Java – Learn key differences, characteristics, precision, and when to use each data type effectively for clean and efficient Java code.
Author Rinki Deka
0 upvotes
Java Program to Find the Area of a Circle EASY
In this article, we will learn how to write a Java program to find the area of a circle using the formula πr², taking user input for the radius and displaying the result.
Author Sanjana kumari
0 upvotes
Spy Number in Java EASY
In this article, we will learn what spy numbers are, with the help of some examples, and learn how to find them using a Java program.
Author Riya Singh
0 upvotes
Java Programs to Add Two Numbers EASY
Learn how to add two numbers in Java using different methods. Explore user input techniques in Java including Scanner and command-line arguments.
Author Gaurav Joshi
1 upvote
Pronic Number Program in Java EASY
In this article, we will learn how to write a Java program to check whether a given number is a Pronic number, also known as a rectangular number, using logic and examples.
Author Sinki Kumari
0 upvotes
Print Prime Numbers 1 to N in Java with Example EASY
Print prime numbers from 1 to N in Java with examples. Learn Java prime number programs to enhance coding skills and ace interviews.
Author Ravi Khorwal
0 upvotes
Tech Number in Java EASY
In this article, we will learn what a Tech Number is, how to identify it, and write a Java program to check if a given number is a Tech Number or not.
Author Sanjana kumari
0 upvotes
Sunny Number in Java EASY
In this article, we will discuss what sunny numbers are, how to check if a number is a sunny number, and will see its code implementation in Java.
Author Ravi Khorwal
0 upvotes
Fascinating Number Program in Java MEDIUM
In this article, we will learn how to write a Java program to check if a number is a Fascinating Number by concatenating its multiples and verifying the digit sequence.
Author Pallavi singh
0 upvotes
Perfect Square in Java – Methods & Examples EASY
Perfect squares in Java explained. Learn how to check and identify perfect squares using different methods with examples for easy implementation.
Author Pallavi singh
0 upvotes
Facade Design Pattern in Java MEDIUM
In this article, we will learn about the Facade Design Pattern in Java, its purpose, implementation, and how it simplifies complex system interactions using a unified interface.
Author Sanjana kumari
0 upvotes
Smith Number in Java EASY
In this article, we will learn what Smith numbers are, look at some examples, and learn how to find them using a Java program.
Author Pallavi singh
0 upvotes
Dynamic Binding in Java with Examples EASY
Dynamic Binding in Java explained with examples. Learn how binding works, its limitations, and the difference between static and dynamic binding.
Author Sinki Kumari
0 upvotes
How to Get Input from User in Java? EASY
Learn how to take user input in Java using Scanner and BufferedReader with examples. Understand Java input methods in this beginner-friendly guide.
Author Kushleen Waraich
0 upvotes
Data Hiding in Java with Examples and Implementation EASY
Data Hiding in Java explained with examples. Learn importance, implementation, and how encapsulation ensures security and clean object-oriented code.
Author Sanjana kumari
0 upvotes
retainAll() in Java EASY
In this article, we will learn about the retainAll() method in Java, which is used to retain only the common elements between two collections, modifying the original list.
Author Pallavi singh
0 upvotes
Difference between Extends and Implements in Java EASY
In this article, we will discuss the differences between "extends" & "implements" in Java with the help of proper examples.
Author Pallavi singh
0 upvotes
What is Core Java? EASY
Core Java explained with basics, features, editions, and differences from Advanced Java. Learn Core vs Advanced Java for interviews and exams.
Author Pallavi singh
0 upvotes
Math.abs() Method in Java EASY
Explore Math.abs() method in Java, used to return the absolute value of an integer, float, long, or double, ensuring non-negative results in programs.
Author Ravi Khorwal
0 upvotes
Buffer Reader in Java EASY
Learn BufferedReader in Java with syntax, constructors, key methods, and examples to read input efficiently from files and other input sources.
Author Rahul Singh
0 upvotes
Static Method in Java EASY
Explore the Static Method in Java with syntax, access rules, and practical examples. Learn how to call static methods without creating class objects.
Author Sinki Kumari
0 upvotes
Readline in Java EASY
In this blog, we will learn about Readline in Java. We will understand its core concepts, its usage, and much more for better understanding.
Author Rahul Singh
0 upvotes
What Is Externalization In Java? MEDIUM
Externalization in Java vs Serialization explained. Learn how Externalizable interface enables custom object serialization with examples.
Author Sinki Kumari
0 upvotes
What is Optional Class in Java 8? EASY
An optional class in Java 8 explained with declaration, key methods, importance, and examples to handle null values and prevent runtime errors effectively.
Author Rahul Singh
0 upvotes
Scanner Class in Java EASY
Taking input from a user in a program is an essential part of writing good code and Scanner class in Java is used for this very purpose.
Author Rhythm Jain
0 upvotes
wait() and notify() in Java with Examples EASY
Java wait() and notify() methods explained with use, variations, and differences. Learn thread communication in Java for interviews and coding.
Author Sinki Kumari
0 upvotes
Servlet in Java MEDIUM
A Java Servlet is a server-side Java program that handles HTTP requests and responses, enabling dynamic web content generation for web applications.
Author Amit Singh
0 upvotes
Spiral Matrix in Java EASY
In this article, we'll discuss the unique concept of spiral matrices, understand how to generate them using Java code and look into different approaches to solve problems related to this.
Author Rinki Deka
0 upvotes
Deep Cloning and Shallow Cloning in Java MEDIUM
Learn shallow copy, deep copy, and object cloning in Java with examples. Understand key differences and best practices for copying objects efficiently.
Author Rahul Singh
0 upvotes
Producer Consumer Problem in Java EASY
Learn the Producer-Consumer problem in Java with examples. Understand its challenges and explore effective solutions for synchronization in multithreading.
Author Riya Singh
0 upvotes
String Pool in Java MEDIUM
Learn about Java String Pool, a special memory area storing String literals. Understand its use to optimize memory and improve Java application performance.
Author Sanjana kumari
0 upvotes
Component Class in Java EASY
In this article, we will learn about the Component class in Java, its role in AWT, key methods, and how it helps in building graphical user interfaces.
Author Gaurav Gandhi
0 upvotes
Behavioral Design Patterns EASY
In this article, we will discuss different types of behavioral design patterns, their uses & implementation in various programming languages.
Author Rinki Deka
0 upvotes
Adapter Design Pattern in Java EASY
In this article, we will discuss the components of the Adapter Design Pattern. We will see an example of how it works, understand why we need it, and discuss when not to use it.
Author Sanjana kumari
0 upvotes
Java Synchronized Method EASY
In this article, we will discuss the concept of synchronized methods in Java. We will understand why synchronization is needed, the types of synchronization, & how to use synchronized methods.
Author Rinki Deka
0 upvotes
Print Stack Trace Method in Java EASY
In this article, we'll discuss the syntax of the printStackTrace() method, how it works, with examples.In this article, we'll discuss the syntax of the printStackTrace() method, how it works, with examples.
Author Gaurav Gandhi
0 upvotes
Alphabet Pattern Program in Java EASY
In this article, we will see several examples of alphabet pattern programs in Java & understand the step-by-step process of creating them.
Author Pallavi singh
0 upvotes
Tower of Hanoi in Java MEDIUM
In this article, we'll discuss the Tower of Hanoi puzzle using Java programming. We'll look into the problem statement and the rules of the puzzle, and see how to solve it using recursion.
Author Sinki Kumari
0 upvotes
Java Math min() method EASY
In this article, we'll discuss the Math.min() method in Java, its syntax, parameters, return value, and examples to help you understand how to use it effectively in your code.
Author Sanjana kumari
0 upvotes
How to Set Path in Java? EASY
In this article, we will learn how to set the Java path in both Windows and Linux operating systems.
Author Pallavi singh
0 upvotes
Dynamic Memory Allocation in Java MEDIUM
In this article, we will discuss the basics of dynamic memory allocation in Java, like the role of the Java Virtual Machine (JVM) and the differences between stack and heap memory.
Author Sinki Kumari
0 upvotes
Diamond Pattern in Java EASY
Learn how to print diamond pattern in C with algorithm, code examples, and looping methods. Understand the logic with step-by-step illustration.
Author Sinki Kumari
0 upvotes
CRUD Operations in Java EASY
In this article, we'll learn about CRUD operations in Java, discussing each operation in detail, with code examples, & showing their implementation in a real-world scenario.
Author Sanjana kumari
0 upvotes
Concrete Class in Java EASY
A concrete class in Java is a class that has complete implementations for all its methods. Unlike abstract classes, it can be instantiated to create objects.
Author Sanjana kumari
0 upvotes
Completablefuture in Java 8 EASY
Learn what CompletableFuture is, how to use and compose multiple CompletableFutures, and handle exceptions in Java async programming.
Author Ravi Khorwal
0 upvotes
Java Scanner delimiter() Method EASY
In this article, we will learn about the `delimiter()` method of the Java Scanner class, how it works, and how to use it to change the token separator while parsing input.
Author Sinki Kumari
0 upvotes
Return Statement in Java EASY
In Java, the return statement exits from a method and optionally sends a value back to the caller. It's used in methods with or without a Java return type (void for no return value).
Author Rahul Singh
0 upvotes
Lombok in Java EASY
In this article, we'll learn what Lombok is, why it's useful, its key features, how to use it in a Java project & with code examples.
Author Sinki Kumari
0 upvotes
Java Assert EASY
In this article, we will learn what assertions are, how to use them in Java, & when they can be most effective.
Author Sinki Kumari
0 upvotes
setBounds Method in Java MEDIUM
In this blog, we will learn about setBounds Method in Java. We will understand its core concepts, syntax, and learn about parameters and much more for better understanding.
Author Riya Singh
0 upvotes
Java Class getMethod() Method EASY
In this article, we will discuss this method in detail, like the syntax, parameters, return value, & exceptions of the getMethod() function.
Author Gaurav Gandhi
0 upvotes
Disarium Number in Java EASY
In this article, we will learn what disarium numbers are, look at some examples, & learn how to check if a number is a disarium number or not.
Author Gaurav Gandhi
0 upvotes
Extends Keyword in Java EASY
In this article, we will learn about the extends keyword in Java, its syntax, examples of how to use it, and what happens when we try to extend a final class or interface.
Author Sinki Kumari
0 upvotes
Matrix Addition in Java EASY
Learn matrix addition in Java with step-by-step implementation, examples, and an analysis of time and space complexity for better code efficiency.
Author Gaurav Gandhi
0 upvotes
ResultSet in Java with Methods and Examples EASY
ResultSet in Java explained with methods and scrollable ResultSet example. Learn usage, types, and applications in database operations.
Author Sanjana kumari
0 upvotes
Floyd Triangle in Java EASY
In this article, we will learn about Floyd's Triangle, look at an illustration to understand it better, go through the algorithm to create it, and see how to implement it in Java code step-by-step.
Author Riya Singh
0 upvotes
Predicate in Java 8 EASY
In this blog, we will learn about Predicate in Java 8. We will learn about its characteristics, features, and much more for better understanding.
Author Ravi Khorwal
0 upvotes
Difference between Core Java and Advanced Java EASY
In this article, we will learn the main differences between Core Java & Advanced Java, which will eventually help you understand their specific roles in the Java ecosystem.
Author Gaurav Gandhi
0 upvotes
Math.sqrt() Method in Java EASY
In this article, we'll learn how to use Math.sqrt() in Java, along with examples to help you understand its use.
Author Sanjana kumari
0 upvotes
Top 10 Java Applications & Uses EASY
Top Java applications in software development: web, mobile, and enterprise solutions, with real-world use cases across industries for efficient coding.
Author Ravi Khorwal
0 upvotes
Forest Transformation in Java EASY
Explore Forest Transformation in Java, its concepts, implementation, and use cases to optimize data structures for efficiency and better performance.
Author Riya Singh
0 upvotes
Java Program for Decimal to Binary Conversion EASY
In this article, we will learn how to write a Java program to convert a decimal number to binary using methods like recursion, bitwise operations, and `Integer.toBinaryString()`.
Author Rahul Singh
0 upvotes
Program to calculate the area of rectangle in Java MEDIUM
In this article, we will learn how to calculate the area of a rectangle in Java using a simple formula with user input and different methods for better understanding.
Author Gaurav Gandhi
0 upvotes
Java Unicode System EASY
In this article, we will learn about the various types of encoding, the reasons why Java uses the Unicode system, what the Unicode system is, how to convert UTF-8 to Unicode using a Java program, & the problems caused by Unicode.
Author Rahul Singh
0 upvotes
FizzBuzz Program in Java MEDIUM
Java FizzBuzz Program: Learn to implement the FizzBuzz coding challenge in Java, printing "Fizz," "Buzz," or "FizzBuzz" based on number divisibility.
Author Gaurav Gandhi
0 upvotes
Java Random Number EASY
Generate random numbers in Java using Math.random(), Random class & ThreadLocalRandom. Learn methods with examples to enhance code efficiency.
Author Pallavi singh
0 upvotes
Java Scanner next() Method EASY
In this article, we will focus on the next() method of the Scanner class, which reads the next token from the input as a string.
Author Rahul Singh
0 upvotes
Library Management System Project in Java EASY
In this article, we will look at how to create a basic library management system using Java. We will learn the key features with code examples to help you with the program.
Author Rinki Deka
0 upvotes
Memory Leak in Java EASY
In this article, we'll explore what memory leaks in java are, their symptoms, causes and their prevention techniques.
Author Rahul Singh
0 upvotes
DAO in Java – Data Access Object Pattern Explained EASY
DAO pattern in Java explained with functionalities, components, implementation, use cases, advantages, and disadvantages for clean data access.
Author Gaurav Gandhi
0 upvotes
Difference Between Static and Final Keyword in Java EASY
Learn the difference between static and final keywords in Java. Understand their usage, behavior, and how they apply to variables, methods, and classes.
Author Riya Singh
0 upvotes
Neon Number in Java EASY
In this article, we'll talk about neon numbers in detail. We will learn how to check if a number is a neon number using Java code, discuss the algorithm and pseudo code, and even look at a recursive approach.
Author Sanjana kumari
0 upvotes
Automorphic Number in Java Explained EASY
Learn Automorphic Numbers in Java, their definition, and how to implement a program to check if a number is automorphic with examples.
Author Rinki Deka
0 upvotes
Interpreter in Java EASY
Java Interpreter executes Java bytecode line by line, enabling platform independence and quick program testing without full compilation.
Author Gaurav Gandhi
0 upvotes
Setting up the environment
Learn how to set up Java on Windows, macOS, and Linux. Step-by-step Java installation guide for different operating systems with configuration tips.
Author Mohammad Saalim
0 upvotes
Legacy Class in Java EASY
In this article, we will discuss some of the most commonly used legacy classes and interfaces in Java, which are Hashtable, Stack, Dictionary, Properties, Vector, and the Enumeration interface.
Author Ravi Khorwal
0 upvotes
Java Naming Conventions EASY
In this article, we will talk about the different types of naming conventions used in Java for classes, interfaces, methods, variables, constant variables & packages.
Author Riya Singh
0 upvotes
Superclass In Java EASY
In this article, we will discuss the characteristics of the super keyword in Java, its various uses with variables, methods & constructors & the advantages it offers in object-oriented programming.
Author Pallavi singh
0 upvotes
Default Method in Java 8 EASY
Default methods in Java 8 allow evolving APIs by adding new methods to interfaces without breaking existing implementations, enhancing flexibility and backward compatibility.
Author Sanjana kumari
0 upvotes
Java Program to Find all Roots of a Quadratic Equation EASY
In this article, we will learn how to find all the roots of a quadratic equation in Java using the quadratic formula, considering real and complex roots.
Author Sanjana kumari
0 upvotes
Java Time Duration EASY
In this article, we will discuss the Java Time Duration class, its fields, and methods, and examples of how to use it effectively.
Author Ravi Khorwal
0 upvotes
New Keyword in Java EASY
In this article, we'll learn the syntax of the new keyword, looks into the process of object creation, and illustrate its use with practical examples.
Author Rahul Singh
0 upvotes
Enterprise Java Beans (EJB) Architecture EASY
In this article, we will learn about the EJB architecture, its components, and how it works. We will also discuss the differences between EJB and regular Java Beans.
Author Rinki Deka
0 upvotes
Reverse a Number in Java EASY
Explore Java programs to reverse a number using while loops, for loops, recursion, and StringBuilder. Step-by-step code examples included.
Author Ravi Khorwal
0 upvotes
Association in Java MEDIUM
Exception handling in C++ is a mechanism to handle runtime errors using try, catch, and throw keywords.
Author Gaurav Gandhi
0 upvotes
Scope of Variables in Java EASY
Explore types of variable scope in Java with examples. Learn about local, instance, and static scope to understand variable visibility and memory usage in Java.
Author Rinki Deka
0 upvotes
Character Stream and Byte Stream in Java MEDIUM
Learn the difference between Character Stream and Byte Stream in Java. Understand how they handle character and binary data in Java file operations.
Author Gaurav Gandhi
0 upvotes
'this' Keyword in Java EASY
In this blog, we will learn 'this' Keyword in Java. We will learn about why it is used, syntax, parameters, and examples.
Author Rinki Deka
0 upvotes
Java Math max() Method EASY
Learn how to use Java Math.max with syntax, examples, features, and real-world applications to find the maximum value efficiently in your code.
Author Sanjana kumari
0 upvotes
Pair Class in Java EASY
In this article, we will learn about the Pair class in Java with examples. We will learn to use it to store key-value pairs effectively in Java.
Author Pallavi singh
0 upvotes
Advantages and Disadvantages of Java EASY
Explore the key advantages and disadvantages of Java to understand when and why Java is the right programming language for your development needs.
Author Ravi Khorwal
0 upvotes
Object Class in Java MEDIUM
In this article, we will discuss the Object class in Java & learn about its various methods with proper examples.
Author Ravi Khorwal
0 upvotes
How to Check Java Version? EASY
In this article, we will learn about the components of the Java language & learn how to check the Java version on different operating systems like Windows & Mac.
Author Sanjana kumari
0 upvotes
What is JDK in Java? EASY
Learn what JDK is in Java. Understand how the Java Development Kit helps develop, debug, and run Java apps with essential tools and libraries.
Author Yashesvinee V
0 upvotes
Scanner and nextChar() in Java EASY
In this article, we'll discuss what nextchar does and how to use it properly. We'll cover the syntax for calling nextchar, and how to declare a Scanner to use it with code examples.
Author Rahul Singh
0 upvotes
Types of Classes in Java MEDIUM
In this article, we will look into each of these class types, explaining their definitions, use cases, and syntactical implementations.
Author Rahul Singh
0 upvotes
Static Class in Java EASY
In this article, we will learn about Static Class in Java, its features, usage, and differences with inner classes in detail.
Author Sinki Kumari
0 upvotes
Java And Operator EASY
This article will talk about the syntax, usage, & practical applications of the && operator.
Author Ravi Khorwal
0 upvotes
Preparedstatement Java MEDIUM
In this blog, we will learn about Preparedstatement Java. We will learn about its characteristics, features, and much more for better understanding.
Author Riya Singh
0 upvotes
Nested Loops in Java EASY
Nested loops are useful when you need to perform a series of operations within a multi-dimensional data structure or create complex patterns.
Author Rinki Deka
0 upvotes
Java Primitive Data Types MEDIUM
In Java, primitive data types are the most basic data types, offering predefined values. They include byte, short, int, long, float, double, char, and boolean.
Author Rinki Deka
0 upvotes
Optional Class in Java 8 EASY
In this article, we'll discuss what optional classes are, how to use them, & the benefits of using them in our Java code.
Author Rinki Deka
0 upvotes
Java 11 Features EASY
Explore key Java 11 features, enhancements, and updates. Learn about its characteristics and improvements for efficient Java development.
Author Ravi Khorwal
0 upvotes
Odd or Even Program in Java EASY
In this article, we'll see different methods to determine the nature of a number using Java. We will start with simple checks using the modulo operator and then move on to to more advanced methods that use bitwise operations.
Author Riya Singh
0 upvotes
Methods in Java EASY
Methods in Java are blocks of code that perform specific tasks and are reusable. They can have parameters, return values, and are defined using returnType methodName(parameters).
Author Pallavi singh
0 upvotes
Reference Variable in Java EASY
Reference variables are a fundamental concept in Java and are crucial for object-oriented programming, allowing for the manipulation and management of objects dynamically during the runtime of a program. In this article, we will learn about the concept of reference variables.
Author Pallavi singh
1 upvote
Robust Meaning in Java EASY
In this article we will Understand the robust meaning in Java as it is crucial for coding students because it directly impacts their ability to write effective and resilient code.
Author Sanjana kumari
0 upvotes
JVM (Java Virtual Machine) and its Architecture EASY
JVM stands for Java Virtual Machine. It is a crucial component of the Java Runtime Environment (JRE) and Java Development Kit (JDK). In this article we will learn about JVM in java and its architecture.
Author Mohammad Saalim
0 upvotes
Difference between volatile and transient keywords in Java MEDIUM
In this article, we will learn about the difference between the volatile and transient keywords in Java, their usage, impact on serialization, and memory handling.
Author Gaurav Gandhi
0 upvotes
Java Program to Compute GCD(Greatest Common Divisor) EASY
Learn how to find GCD in Java using different methods like the general approach, Euclidean algorithm by subtraction, and division with example code.
Author Pallavi singh
0 upvotes
Java Program to Find Simple Interest with Example EASY
Calculate simple interest in Java using formula (P×R×T)/100 with user input. Learn SI program logic, code, and examples for better understandi
Author Pallavi singh
0 upvotes
Caesar Cipher Program in Java EASY
In this article, we will learn how to implement the Caesar Cipher program in Java, including encryption and decryption techniques with code examples.
Author Pallavi singh
0 upvotes
Structure of a Java Program MEDIUM
In this blog, we will learn about Structure of Java Program. We will understand its core concepts, its usage, and much more for better understanding.
Author Rinki Deka
0 upvotes
Comparable Interface in Java EASY
Learn about the Comparable interface in Java, the compareTo() method, and how to sort objects efficiently using Collections for custom ordering.
Author Rinki Deka
0 upvotes
Threads in Java EASY
In this article, we will learn about threads in Java. We will learn about the working of threads, their processes, and advantages.
Author Sinki Kumari
0 upvotes
Difference between JDK, JRE and JVM MEDIUM
Discover the difference between JDK, JRE, and JVM in Java architecture. Learn how they work together to develop and run Java applications
Author Kushleen Waraich
0 upvotes
Mutable and Immutable Objects in Java MEDIUM
Learn about mutable and immutable objects in Java, their differences, state management, and thread safety with clear examples and explanations.
Author Sanjana kumari
0 upvotes
While Loop in Java EASY
Learn how a while loop in Java works, its syntax, use cases, and benefits for situations with unknown iteration counts. Includes code examples.
Author Sinki Kumari
0 upvotes
Math Functions in Java with Examples EASY
Math functions in Java explained with core concepts and usage. Learn built-in Java Math methods with examples for better logic and problem-solving.
Author Rahul Singh
0 upvotes
Method Reference in Java 8 EASY
Learn about Method Reference in Java 8, its features, characteristics, and how it simplifies code for better understanding and efficient programming.
Author Rinki Deka
0 upvotes
OOPS Concepts in Java EASY
In this blog, we will learn about OOPS Concepts in Java. We will understand its core concepts, its usage, and much more for better understanding.
Author Pallavi singh
0 upvotes
Just In Time Compiler - Java EASY
Learn what the Just-In-Time (JIT) Compiler is, how it works in Java, and why it's crucial for improving performance during runtime execution.
Author Mohammad Saalim
0 upvotes
Modulo or Remainder Operator in Java EASY
In this blog, we will learn about Modulo or Remainder Operator in Java. We will understand its core concepts, its usage, and much more for better understanding.
Author Riya Singh
0 upvotes
Composition in Java
tion is achieved by including an instance of one class within another class. This powerful technique enables code reuse, flexibility & helps in designing clear, modular programs.
Author Riya Singh
0 upvotes
Process vs Thread in Java
In this blog, we will learn about Process vs Thread in Java. We will first understand what is a process and thread. Later in the blog, we will look at the differences between the two.
Author Gunjan Batra
0 upvotes
Object Creation in Java EASY
Explore different ways to create objects in Java using new, clone(), deserialization, newInstance(), and Constructor class with examples and uses.
Author Riya Singh
0 upvotes
Strong Number in Java EASY
When the sum of the Factorial of each digit of the number is equal to the number itself is called a Strong Number. In this article, we will learn how to check Whether or Not the Given Number is a Strong Number in Java.
Author Rinki Deka
0 upvotes
Nested Class in Java MEDIUM
Learn about Nested Class in Java, its types, uses, and benefits with examples. Master inner classes to write cleaner, modular, and efficient Java code.
Author Pallavi singh
0 upvotes
Java Global Variables – Scope, Usage & Examples EASY
Java Global Variables: Learn how to declare, initialize, and use global variables in Java for efficient, organized coding and better program management.
Author Gaurav Gandhi
0 upvotes
Type Casting in Java MEDIUM
Java type casting explained: learn widening and narrowing conversions, rules, and practical code examples to master type casting in Java programming.
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Java Program to Find All Palindromic Sub-Strings of a String
In this blog, we will learn about Java Program to Find All Palindromic Sub-Strings of a String. We will understand the time complexity of the program.
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Best Java Visualizers MEDIUM
Java Visualizers are tools to debug code step-by-step visually, aiding in understanding program flow. In this article, we will learn about Java Visualizers in detail and discuss some of the best Java Visualizers in use.
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Java Map containskey EASY
In this blog, we will learn about Java Map containskey. We will understand its core concepts, its usage, examples, and much more for better understanding.
Author Lekhika Ujiniya
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Java Char Keyword MEDIUM
The char data type in Java is used to store a single character. It's one of the primitive data types, along with int, float, double, & others. When you declare a variable as a char, it can hold a single Unicode character.
Author Sanjana kumari
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Java Stream map() EASY
Learn Java Stream map() with syntax, parameters, return type, exceptions & real-world examples. Understand how map works in Java Streams.
Author Ravi Khorwal
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Difference Between JIT and JVM
Explain JIT and its working in brief. Highlight the key differences between JIT and JVM.
Author Yashesvinee V
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Map Interface in Java with Methods and Examples MEDIUM
Map interface in Java explained with hierarchy, key methods, HashMap, TreeMap examples, and efficient key-value pair storage.
Author Gaurav Gandhi
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Java Standalone Application MEDIUM
In this article, we will learn what we mean by Java standalone applications and how we can create them.
Author Nikhil Joshi
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Iterate Map in Java MEDIUM
Learn how to iterate a Map in Java using different methods. Explore key techniques, advantages, and best practices for Map iteration in Java.
Author Gaurav Gandhi
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How to Print in Java? EASY
In this article, we'll learn the different approaches to printing in Java, which are the print(), println(), & printf() methods.
Author Pallavi singh
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List Interface in Java with Methods & Examples EASY
Java List Interface – Explore key methods, properties, and how List manages ordered collections with duplicates efficiently for effective Java programming.
Author Riya Singh
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Generic Comparator in Java MEDIUM
In this blog, we will learn about Generic Comparator in Java. We will write code to further understand how Generic Comparator works.,
Author Gunjan Batra
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Volatile Keyword in Java – Usage, Examples & Thread Safety EASY
Java volatile keyword explained: ensures variable visibility across threads, always reads from main memory, and guarantees thread-safe updates.
Author Rinki Deka
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Arrow Operator Java EASY
In this blog, we will learn about the arrow operator in java. We will look at its syntax, implementation and benefits.
Author Riya Singh
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How to Use typeof in Java? EASY
In this article, we'll discuss how to use the typeof operator in Java and look at different approaches to determine the type of an object.
Author Pallavi singh
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Final Class in Java EASY
A final class in Java is a type of class that cannot be inherited by other classes.
Author Riya Singh
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Instance in Java EASY
In this, we'll discuss the concept of instances in Java, their characteristics, and how they fit into the broader context of object-oriented programming. 
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Difference Between Byte Code and Machine Code
Bytecode is a form of code generated from the compilation of source code. Whereas machine code is the CPU-understandable language stored in binary format.
Author Yashesvinee V
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Star Pattern in Java EASY
Star pattern in Java using nested loops explained with rows, columns, spaces, and stars logic. Learn to print patterns step by step with examples.
Author Rinki Deka
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System Class in Java EASY
In this article, we will discuss the main features of the System class, like its fields, methods, and common use cases.
Author Ravi Khorwal
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Why is Java Platform Independent? EASY
Understand Java's platform independence, how it differs from C++, and why Java is not fully platform independent despite its write-once, run-anywhere feature.
Author Ravi Khorwal
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Increment Date in Java EASY
In this article, we will learn about Increment Date in Java. We will write codes for local date, local time and many other functions in java.
Author Sanjana kumari
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Collections in Java EASY
Learn types of collections in Java with examples. Understand Java Collection Framework, its architecture, usage, and real-world applications.
Author Kumari Chandni
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Loose Coupling in Java MEDIUM
Learn about Loose Coupling in Java, its benefits, and how it enhances flexibility, scalability, and maintainability in object-oriented programming.
Author Pallavi singh
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Keywords in Java EASY
Explore the complete list of keywords in Java and understand their importance in Java programming. Learn how keywords in Java control the flow and structure of code.
Author Yashesvinee V
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Java Variables
Understand Java variables, their types, scope, and initialization. Explore how to declare and use variables effectively in Java applications.
Author Yashesvinee V
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Local Variable in Java EASY
In this article, we'll learn what local variables are, how to declare them, & see examples of how they're used. We'll also cover the concept of scope & how it relates to local variables.
Author Sinki Kumari
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Java Instance Variable – Definition & Examples EASY
Java instance variable explained – learn its definition, scope, usage, and how each object retains unique values in a class for effective coding.
Author Rishabhnsingh
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Data Types in Java
Explore all data types in Java, including primitive and non-primitive types. Understand their usage, memory size, and how to choose the right type in coding.
Author Rhythm Jain
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Difference between Primitive and Non-Primitive Datatypes
In this blog, we will learn about different types of datatypes and what distinguishes them into Primitive and Non-Primitive Datatypes.
Author sai sambhab chaini
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Difference Between List and Set in Java EASY
Learn the difference between List and Set in Java. Understand indexing, uniqueness, and ordering with examples to improve your Java collection skills.
Author akscrv
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Abstract Class vs Interface: Difference between Abstract Class and Interface in Java EASY
Learn the difference between Abstract Class and Interface in Java. This guide covers Abstract Class vs Interface with examples, use cases, and key differences.
Author Rinki Deka
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Constant in Java
Learn about constants in Java, their types, declaration, and best practices. Understand how Java constants improve code readability, safety, and maintainability
Author Ankit Kumar
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How to Create Immutable Class in Java? MEDIUM
To create an immutable class in Java, use final keyword for class, make fields private, and provide only getter methods. Read on to learn how to create immutable class in java.
Author Gaurav Gandhi
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Non Access Modifiers in Java EASY
Learn the different non-access modifiers in Java, their purpose, and how to use them effectively with examples. Boost your Java skills and code quality.
Author Sinki Kumari
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Difference Between print and println in Java EASY
In this article, we will learn the difference between print and println in Java, how they handle output formatting, and when to use each method effectively.
Author Rahul Singh
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Java Extend Multiple Classes EASY
In this blog, we will learn about Java Extend Multiple Classes. We will understand the basics of inheritance and composition and also write codes for better understanding,
Author Lekhika
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BigDecimal Class in Java EASY
The BigDecimal class in Java provides precise control over decimal numbers, supporting arithmetic, rounding, and scaling, often used for financial calculations.
Author lakshayhere
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Java vs .NET: Key Differences Explained
Java vs .NET differences explained. Learn platform, language support, features, and key benefits of Java and .NET for interviews and real-world use.
Author Manan Singhal
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Java vs Ruby
This article introduces you to the concept of java and ruby along with a detailed java vs ruby comparison.
Author 19RH1A05H6 Thanvi lahari Pendyala
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Scala and Java EASY
In this article, we will discuss Scala and Java, along with their features, differences, advantages, and disadvantages. We will also compare scala and java briefly on various parameters and with some basic codes.
Author Alankrit Srivastava
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Hash Collisions in Java EASY
In this article, we will discuss the concept of hash collisions in Java and discuss different collision resolution techniques, with the help of examples to show their implementation.
Author Rinki Deka
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Sort String in Java EASY
In this blog, we will learn about Sort String in java. We will understand its core concepts, its usage, and much more for better understanding.
Author Sanjana kumari
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Converting a List to String in Java EASY
In this article, we will learn how to convert a List to a String in Java using different methods like String.join(), Stream API, and StringBuilder with examples.
Author Pallavi singh
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How to convert a string to an integer in Java? EASY
Learn how to convert a String to an integer in Java using simple methods like Integer.parseInt() and Integer.valueOf() with clear examples and explanations.
Author Saksham Gupta
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Converting Long to Int in Java EASY
In Java, converting a long to an int is a process of narrowing primitive conversion. Since the range of long is larger than that of int, such a conversion might lead to data loss if the value of the long exceeds the range of int.
Author Nikhil Joshi
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Functional Interface in Java EASY
In this article, we will discuss about the functional interface in Java. We will understand how this can be implemented in Java and why to use it.
Author mishrashriCodes
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Perfect Number in Java – Definition & Example EASY
Perfect Number in Java explained. Learn how to identify numbers equal to the sum of their divisors with examples and easy implementation.
Author Riya Singh
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Java Data Types EASY
Learn about Java data types, their characteristics & how to use them effectively in programs. Master primitive & non-primitive data types for better coding.
Author Sinki Kumari
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Methods to Print New Line in Java EASY
A new line (end of the line (EOL), line break) signifies the end of a line and the beginning of a new one. There are five methods to create a new line in Java. Read on to learn about them in detail.
Author Shaurya Singhal
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System.out.println in Java MEDIUM
Learn how to use System.out.println in Java to display output on the console. Explore syntax, examples, and key uses of this essential Java method.
Author Tisha
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Java Tokens MEDIUM
Java tokens are the smallest units of a program, including keywords, identifiers, literals, operators, and separators, used to construct Java code.
Author ManishKumar1103
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Cloneable Interface in Java with Examples Explained EASY
Cloneable interface in Java explained with declaration, clone() examples, and deep copy usage for efficient object cloning and memory management.
Author Gaurav Gandhi
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Varargs in Java(Variable Arguments) MEDIUM
Learn how to use Varargs in Java to pass a variable number of arguments to methods. Understand syntax, examples, and best practices for Java varargs .
Author Muskan Sharma
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Remove an Element from Array in Java with Example MEDIUM
Learn how to remove elements from an array in Java using loops, by value, handle duplicates, shift elements, and delete from ArrayList efficiently.
Author Riya Singh
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Java vs JavaScript: Learn key differences, features, uses, and FAQs. Understand the distinction between Java and JavaScript for developers and beginners.
Author Urwashi27
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Identifiers in Java EASY
In this article, we will discuss the concept of identifiers in Java, understand their importance, and learn the rules for defining them. We will also look at different examples of valid and invalid identifiers and discuss reserved words in Java.
Author Ravi Khorwal
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What is Literals in Java Programming EASY
Learn the types of literals in Java, their usage, and limitations. Understand Java literals like integer, float, boolean, char, and string with examples.
Author Ravi Khorwal
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Java Lambda Expressions EASY
This article covers the meaning, syntax, parameters, uses, functionality, and characteristics of Java lambda expressions. Explore lambda expression in Java with examples, advantages, and disadvantages.
Author Kanak Rana
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isDigit() in Java EASY
Learn how Java isDigit() checks if a character is a digit. Explore syntax, usage, and examples for character and Unicode code point validation.
Author Nikhil Joshi
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Collections in Java with Examples and Types EASY
Learn about Java Collections Framework, its interfaces, classes, and methods to efficiently store, access, and manage data in Java applications.
Author Akash
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Collections in Java MEDIUM
This blog will discuss set collection in Java. We will further discuss how to use the set and implement various types of operations of set collection in Java.
Author Ayush Mishra
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Data Types And Identifier In Java EASY
In this article, we will discuss about the data types and identifiers in java.
Author Urwashi27
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Static Variable in Java EASY
Learn about static variable in Java, its core concepts, advantages, disadvantages, and more to understand how it works in Java programming.
Author Lekhika Ujiniya
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Difference Between Servlet and JSP MEDIUM
Servlet technology is utilized for web application development, and JSP serves the same purpose as Servlets.
Author Kanak Rana
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HttpSession Interface in Servlet MEDIUM
This article will teach us about HttpSession Interface in Servlet, its working, different methods, advantages and disadvantages, etc.
Author juhipathak
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Java Access Modifiers Explained MEDIUM
Access Modifiers in Java—public, private, protected, and default—control the visibility of classes, methods, and variables, ensuring security and encapsulation in Java programming.
Author Yukti Kumari
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Learn Core Java Programming For Free With Coding Ninjas
In this blog, we will discuss how to learn core java programming for free with coding ninjas and what syllabus will be covered in this course.
Author Ayush Mishra
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Difference Between Checked and Unchecked Exceptions EASY
Learn the key differences between checked and unchecked exceptions in Java with examples. Understand their types, handling techniques, and best practices.
Author Gunjan Batra
1 upvote
Verify Java EASY
How to verify Java refers to the correct functioning of the Java version in your system. There exist numerous versions and methods to verify Java Version.
Author mishrashriCodes
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Final Keyword in Java EASY
Final Keyword in Java: Learn usage in variables, methods, and classes to enforce immutability, secure code, and understand Java best practices.
Author Ayush Mishra
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How to get started with Deep Java Library? MEDIUM
In this blog, we will discuss deep java library. We will further discuss how to setup and use the deep java library.
Author Gaurav Gandhi
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Finalize() Method in Java MEDIUM
Explore how the finalize() method in Java works, its use in object cleanup, and why modern Java practices recommend alternatives to finalize().
Author Nilesh Kumar
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Non Primitive Data Types in Java EASY
In this article, we will discuss data types in Java and further we will learn about Non Primitive Data Types in Java and their implementation.
Author Harshita Vyas
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HashCode() Method in Java MEDIUM
The hashCode() method in Java returns an integer hash code for an object, used in hashing-based collections like HashMap and HashSet. It ensures efficient data retrieval by mapping objects to buckets.
Author harsh008
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Method Signature in Java MEDIUM
In this blog, we will learn about method signature in Java along with the need for method signature, examples, and code.
Author Nilesh Kumar
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Java Program to Check Leap Year EASY
Write a Java program to check leap year. Learn the logic to determine if a year is a leap year using conditions with practical Java examples.
Author Vikash
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Runnable Interface in Java MEDIUM
Learn the Runnable Interface in Java with examples, implementation, common errors, and the key advantages and disadvantages of using Runnable in Java.
Author mishrashriCodes
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Difference Between Callable and Runnable in Java MEDIUM
The Callable and Runnable interfaces in Java are both used to represent tasks that can be executed by another thread.
Author pranjal pratyush
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Applet Life Cycle in Java MEDIUM
The Applet Life Cycle in Java includes init(), start(), paint(), stop(), and destroy(), defining its creation, running, display, suspension, and termination
Author Vikash
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Difference Between a Java Application and a Java Applet MEDIUM
Understand the key differences between Java Applet and Application, their execution models, environments, and use cases in real-world programming
Author Nilesh Kumar
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Java Programming Challenges MEDIUM
This blog discusses the most frequently asked Java programming questions with their solution with the best possible approach.
Author Sohail Ali
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