Java is one of the most popular programming languages in common usage throughout the web. Java is a programming language and computing platform first released by Sun Microsystems in 1995. There are lots of applications and websites that will not work unless you have Java installed, and more are created every day. Java is fast, secure, and reliable. If you’re dreaming of a career in Java – Web Development, certification in Java is a popular route to establishing recognizable credentials. Now the question arises “How to become Certified Java Programmer”
You must be confused that there are many languages to build your career, then why to choose java for a career in Software Programming?
Let us clarify some of the benefits to choosing Java for your career:
- Java is quite popular as a Programming Language in the Industry
so you can get good opportunities.
- You can use Java to implement any kind of Software. It can be an Enterprise Application, a Website, a Desktop application, a Search Engine or a Gadget.
- Java is a Secure platform due to its Virtual Machine. This is one of the primary reasons Companies worldwide are using this Language.
- As Android App Development is gaining momentum and If you want to move into App development you must have the knowledge of Java.
- Java is easy to learn. Java was designed to be easy to use and is, therefore, easy to write, compile, debug, and learn than other programming languages.
- Java is object-oriented. This allows you to create modular programs and reusable code.
- Java is platform-independent. One of the most significant advantages of Java is its ability to move easily from one computer system to another. The ability to run the same program on many different systems is crucial to World Wide Web software, and Java succeeds at this by being platform-independent at both the source and binary levels.
Now, after finding that much benefits of Java, you might be eager to know that “How to become certified Java Programmer?” As “certifications” are one of the most important tools that give worth to your Knowledge. Let’s find out how to become a Java Programmer and About the certifications in Java.
Table of Contents
How to become Java Programmer?
Java is a programming language expressly designed for use in the distributed environment of the Internet. It was designed to have the “look and feel” of the C++ language, but it is simpler to use than C++ and enforces an object-oriented programming model. Java can be used to create complete applications that may run on a single computer or be distributed among servers and clients in a network. To be an expert in Java, you just need some initiative, a desire to learn and knowledge of the right steps! The Steps to boom your career in Java development are as follows:-
What is the Eligibility Criteria to become a Java developer?
- If you have Cleared 12th
- Bachelor’s degree preferably in information technology, computer science, software engineering or some other related field
- 1 year of relevant work experience.
- AJAX/HTML/CSS and Java experience.
- Database and web application development; Dependency Injection, Distributed Systems, and Multithreading experience.
- MS/Ph.D. in Computer Science.
- Google App Engine, Guice and Google Web Toolkit experience.
- Unix shell scripting and systems administration experience.
- Mobile App Development experience (Android, iPhone).
- Strong Linux skills.
Today’s era is full of language expert than real programmers. It’s easy to understand keywords, methods, and API of Java programming language, but same time it’s difficult to solve a real problem, design reusable and robust software and get a maximum of data structure and algorithm. So conceptually, you need to understand the following in Java and must have practical hands-on:
- Understanding of all basic Java control structures, able to declare methods and a working understanding of pass-by-value and pass-by-reference.
- An understanding of classes vs. interfaces.
- Understand the role of the public/private/protected modifiers.
- Understanding of Strings as immutable objects. How to create mutable Strings via StringBuilder and other classes.
- Creation of a basic Java POJO/bean (data entity).
- Understand how statics work.
- Know how to declare constants.
- Understand basic class, variable, and constant naming conventions.
- Know how to organize code into packages.
- Understand the role and usage of JAR library files and how to reference them in your application.
- Have a working understanding of the core Java API and where to find stuff. At a minimum, know the roles and uses of classes in java.lang, understand and able to use the Java Collections API correctly (i.e. declare variables of List type, not ArrayList) and know some of the utility classes in java.util, java.text and java.math.
- Knowledge and theory of some basic design patterns (Singleton, Factory, Facade, DAO, MVC).
- Know what the CLASSPATH is!
- Know how the main() method works and how to pass arguments to basic programs.
After having the technical knowledge, you’ll be eligible for the professional certification exams that will enhance the value of your Resume`.
What are the Professional Certification exams?
As you have gone through all the perspectives to become eligible for Java Development, you may feel comfortable pursuing a professional certification.
As there are many procedures for obtaining a certificate to become Java Programmer, So it could be a little complicated because there are a lot of options at the different levels of Java expertise.
So, before you choose an exam to take, you need to understand your own skill level and standing. Here, representing some guidelines with the use of the Oracle Certified Exams as an example. Oracle Certifications have various types and levels of exams spanning Java fundamentals to advanced programming.
Oracle places their Java certifications in three categories:
- Standard Edition (SE)
- Mobile Edition (ME)
- Enterprise Edition (EE)
Within each category, there are also different levels of exams, let’s have a look: –
The opportunities available for a Java developer are immense, and their knowledge is very valuable. Best of all, to be an expert in Java, you don’t necessarily have to get a college degree. Just take the right steps towards developing and proving your skills, and you are eligible to become a Java Programmer.