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Introduction
Java certification is highly valued in the IT industry and provides a Java developer with worldwide recognition. It can help you find a better job, earn a higher salary, or even get a better raise or bonus at your current job. For a successful result, one should have full-fledged information about the Syllabus, Preparation Strategy, resources, and time management. All these aspects play a vital role in a successful outcome irrespective of which certification or exam it is.
Here, Coding Ninjas brings a fully structured article on Oracle Certified Professional: Java SE 17 Developer.
In a nutshell, this article discusses the description of Java SE 17 Developer Certification, a guide to becoming a great developer, Job opportunities after being Oracle Certified, Roadmap, and Resources to prepare.
Before you proceed, make sure you have a Coffee in your hand since Java Developers love Coffee.
Endorsements with Oracle Certifications
Without a doubt, Oracle qualifications provide an advantage, especially when several candidates are competing for a single position. It demonstrates to a potential employer that you, as a candidate, are committed to learning and improving your trade skills, and it promises to make you productive as soon as you walk in the door.
Oracle Certifications are becoming increasingly popular. Professionals must understand the skills that make them appealing to hiring managers. These hiring managers frequently look for different ways to distinguish employees and prospective employees with the solid skills required for a job role in order to improve performance.
When you achieve the certification, you can showcase your Oracle Certification badge on your social media profiles, such as LinkedIn, Facebook, and Twitter.
This badge has been found to be more useful in terms of verification than it has been in terms of validating your professional and technical expertise. It demonstrates your dedication to gaining expertise, and each badge validates specific skills that you have acquired.
Better career opportunities lead to higher pay and more stability. Since there is a high demand for trained and certified professionals, your visibility will increase, and you will be able to pursue the most rewarding and challenging opportunities.
The list is not over yet, there are tons of benefits of having an Oracle Certification in the IT sector.
Now, let us look at the OCP: Java SE Developer:
Understanding OCP: Java SE 17 Developer
An Oracle Certified Professional: Java SE 17 Developer has demonstrated expertise in Java (Standard Edition) software development, which is recognised by a diverse range of global industries.
They have also demonstrated thorough and broad knowledge of the Java programming language, coding practices, and the use of new Java SE 17 features.
A certified individual demonstrates tremendous fluency in Java SE as well as the acquisition of the valuable professional skills required to be a Java software developer by passing the required exam.
Handling date, time, text, numeric and boolean values
Use primitives and wrapper classes including Math API, parentheses, type promotion, and casting to evaluate arithmetic and boolean expressions.
Manipulate text, including text blocks, using String and StringBuilder classes.
Manipulate date, time, duration, period, instant, and time-zone objects using Date-Time API.
Controlling Program Flow
Make program flow control constructs such as if/else statements, switch statements and expressions, loops, and break and continue statements.
Using an Object-Oriented Java Approach
Declare and instantiate Java objects including nested class objects, and explain the object life-cycle including creation, reassigning references, and garbage collection.
Create classes and records, and define and use instance and static fields and methods, constructors, and instance and static initializers.
Implement overloading, including var-arg methods.
Understand variable scopes, use local variable type inference, apply encapsulation, and make objects immutable.
Create and use interfaces, identify functional interfaces, and utilize private, static, and default interface methods.
Create and use enumerations with fields, methods, and constructors.
Handling Exceptions
Handle exceptions using try/catch/finally, try-with-resources, and multi-catch blocks, including custom exceptions.
Working with Arrays and Collections
Create Java arrays, List, Set, Map, and Deque collections, and add, remove, update, retrieve and sort their elements
Working with Streams and Lambda expressions
Use Java object and primitive Streams, including lambda expressions implementing functional interfaces, to supply, filter, map, consume, and sort data.
Perform decomposition, concatenation and reduction, and grouping and partitioning on sequential and parallel streams.
Packaging and deploying Java code and using the Java Platform Module System
Define modules and their dependencies, expose module content including for reflection. Define services, producers, and consumers.
Compile Java code, produce modular and non-modular jars, and runtime images, and implement migration using unnamed and automatic modules.
Managing concurrent code execution
Create worker threads using Runnable and Callable, manage the thread lifecycle, including automation provided by different Executor services and concurrent API.
Develop thread-safe code, using different locking mechanisms and concurrent API
Process Java collections concurrently including the use of parallel streams.
Using Java I/O API
Read and write console and file data using I/O Streams
Serialize and de-serialize Java objects
Create, traverse, read, and write Path objects and their properties using java.nio.file API
Accessing databases using JDBC
Create connections, create and execute basic, prepared, and callable statements, process query results, and control transactions using JDBC API.
Implementing Localization
Implement localization using locales, resource bundles, parse and format messages, dates, times, and numbers including currency and percentage values.
Take Recommended Training
Take Recommended Training from Oracle to cover all the stated topics via this link: Java Learning Subscription.
Topics covered in Training:
Modularity
Runtime images
Migration
Enhancements to stream API
Jshell
Convenience methods for collections
Convenience methods for arrays
Creating and using methods
Data in a cart
Describing classes
Using inheritance
Utilize Lambda expressions
Using Java persistence and Java transaction APIs.
Providing Timer, Concurrency, and Batch services.
Soap and REST web services.
Developing web-based interfaces using Servlets, Java Server Pages, and Java Server Faces.
Assembling and deploying Java applications to a JEE Application Server.
This free guided path has covered all the fundamentals of Java. If you’re a beginner you can take this path in order to build strong foundations in Java. If you know java well, you may skip this.
Oracle will send you an email within 30 minutes of finishing your Oracle Certification exam informing you that your exam results are now available in CertView.
If you have already authenticated your CertView account, simply log in and choose "See My New Exam Result Now."
If you have not yet authenticated your CertView account, you will need to do so at this time.
Authentication requires an Oracle Single Sign-On username and password, as well as the email address and Oracle Testing ID from your Pearson VUE profile. Once your account has been authenticated, you will be directed to CertView to log in.
Perks of having OCP: Java SE 17 Developer
Hiring Preferences
Many government organisations and consulting firms that work on government projects place a high value on Java certification. Not every job requires Java certification, but there are very few jobs that prefer a certified Java developer over an uncertified one.
A beginner's chances of getting called from these companies improve after passing a Java certification like OCAJP or OCPJP with high marks.
You can check out the Job Openings especially for JAVA SE 17 ORACLE CERTIFIED PROFESSIONALS via this link.
Add value to Resume
Java certification looks great on a resume. Go for Java certification, especially if you don't have outstanding academic records or anything extracurricular that stands out.
This will fill any gaps in your resume. It can also be used as a filtering criterion.
Better Increment in Salary
One reason for this could be that employers value Java Certified professionals more than non-certified professionals. True, some companies specifically state that they will only hire Oracle Certified Professionals.
One reason for this is that they save time and money by using online Java testing sites such as Brainbench, which is used by hiring managers to test Java fundamentals.
Another reason for a better package for certified Java professionals is the confidence and bargaining power they gained by performing well in Java certification.
Reimbursement from Employer
Another reason to get Java certified is to advance your position on the team. Many people have reported that passing the SCJP in the past and the OCPJP today with a good score improves your impression in the organisation.
People now recognise your Java skill more than ever before and hold you in high regard.
Frequently asked questions
Is it difficult to crack Java SE 17 Developer Oracle Certification exam?
Oracle's Java Certification has a tough passing percentage, close to 68% for OCPJP (the Oracle Certified Professional Java Programmer). So, it is relatively tough, but with strategic preparation, one can easily pass the exam with flying colors.
Does preparing for OCPJP and OCAJP the same?
Preparing for OCPJP is similar to preparing for OCAJP, but you must use OCPJP-specific resources. You should also go over more topics in greater depth because OCPJP is a difficult nut to crack.
How to upgrade the speed and accuracy?
Since practice makes perfect, try to solve as many as you can. You will gradually improve your speed and accuracy for the exam.
Conclusion
In this blog, we learned about the details of the Oracle Certified Professional: Java SE 17 Developer. To know more about the Oracle Certifications, you can check out these articles:
In a nutshell, this article discusses the description of Java SE 17 Developer Certification, a guide to becoming a great developer, Job opportunities after being Oracle Certified, Roadmap, and Resources to prepare.
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