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About the certificate
This certification demonstrates competency in Java (Standard Edition) software development, which is accepted by a wide range of companies throughout the world. They've also demonstrated deep and broad knowledge of the Java programming language, coding techniques, and the use of new Java SE 11 capabilities.
A certified individual demonstrates exceptional proficiency in Java SE and attainment of the valuable professional abilities required to be a Java software developer by passing the required exam. This involves a strong grasp of object-oriented programming, functional programming with lambda expressions and streams, and modularity.
Use the String and StringBuilder classes to manipulate text.
Use local variable type inference, including parameters.
Use wrapper classes and primitives, including type promotion, operators, parentheses, and casting
Controlling Program Flow
Create and use loops, switch statements and if/else condition
Java Object-Oriented Approach
Create and use subclasses and superclasses, as well as abstract classes.
Understand variable scopes, use encapsulation, and construct immutable objects.
Use instance and static initializer statements and constructors to initialize objects and their members.
Declare and instantiate Java objects, including nested class objects, and describe the lifecycles of those instances (including creation, dereferencing by reassignment, and garbage collection)
To call methods, use polymorphism and casting, and distinguish between objects and reference types.
Enumerations can be made and used.
Define fields and methods, including instance, static, and overloaded methods, and use them.
Create and use interfaces, recognize functional interfaces, and use private, static, and default methods.
Exception Handling
Create and use custom exceptions
Handle exceptions using try/catch/finally clauses, try-with-resource, and multi-catch statements
Working with Arrays and Collections
Sort collections and arrays using Comparator and Comparable interfaces
Use generics, including wildcards
Use a Java array and List, Set, Map and Deque collections, including convenience methods
Java Platform Module System
Declare, use, and expose modules, including the use of services
Deploy and execute modular applications, including automatic modules
Working with Streams and Lambda expressions
Use lambda expressions to implement functional interfaces, including those from the java.util.function package.
Filter, transform, and process data with Java Streams.
On sequential and parallel streams, perform decomposition and reduction, including grouping and dividing
Concurrency
Create thread-safe code with the java.util.concurrent API and various locking techniques.
Develop worker threads using Runnable and Callable, and manage concurrency using an ExecutorService and java.util.concurrent API
Java I/O API
Handle file system objects using java.nio.file API
Using I/O streams read and write console and file data
Implement serialization and deserialization techniques on Java objects
Secure Coding in Java SE Application
Develop code that protects against denial of service attacks, code injection, input validation, and data integrity.
Secure resource access, including filesystems, policy management, and privileged code execution
Database Applications with JDBC
Using the JDBC API, connect to a database and conduct SQL operations, as well as process query results.
Localization
Implement Localization using Locale, resource bundles, and Java APIs to parse and format dates, messages, and numbers.
Annotations
Create, apply, and process annotations
Resources For Preparation
Here are some well-structured resources on Coding Ninjas available for free to help in your preparation.
This certification demonstrates competency in Java (Standard Edition) software development, which is accepted by a wide range of companies throughout the world.
What is the cost for Oracle Certified Professional: Java SE 11 Developer?
The examination fee for Oracle Certified Professional is ₹18,447 (May 2023)
Does the exam contain MCQ-type questions?
Yes, the exam contains 50 multiple-choice questions and the time duration for the examination is 90min.
Is getting Java certified worth it?
Java has been one of the most widely used languages in the IT industry for many years, and getting a certification in Java will help boost your career opportunities. Getting certified certainly gives you an edge over the un-certified candidates.
How do I become Oracle certified?
You must complete all training requirements, pass the required exam(s), and submit the Course Submission Form to become Oracle Certified. On the Oracle Certification Site's Oracle Certification page, you may learn more about becoming Oracle Certified.
Conclusion
In this article, we have extensively discussed Oracle Certified Professional: Java SE 11 Developer.
We hope that this blog has helped you enhance your knowledge regardingOracle Certified Professional: Java SE 11 Developer and if you would like to learn more, check out articles on Oracle Certification and Java Certification Paths. If you would like to learn more, check out our articles on
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