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How to Improve Your Java Coding Skills

Sharafudhin Mangalad October 6, 2022

sharafudheen-mangalad.jpg  Managing director, Edoxi Training Institute Dubai.

  WWS contributor

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If you are a Java developer, you would know how the last couple of years have brought changes to the Java world.

Java, as we know, is a very successful and popular programming language. It is widely used to build apps we use in our day to day lives, from desktop to web applications, scientific supercomputers, gaming consoles, cell phones and the Internet.

Java programmers are currently being recruited largely in the Information Technology sector, where Java is used in virtually every nook and corner. As such, Java has emerged as one of the fastest growing and most promising fields anyone can get into right now.

But beginners (and even experienced developers) in Java will always have this lingering question: “How can I improve my Java coding skills?”

Solving real-world problems using Java isn’t easy and many beginners find it difficult. Before applying your knowledge practically in the world, it’s very important to research and understand the various Java concepts by relating them to real life.

Let’s highlight the basic features of Java and then dive into how to improve your Java coding skills to become a better Java developer.

 

Why Is Java Popular?

 

There are several reasons why Java is popular among the different programming languages:

  • Java is easy to learn and it has syntax with minimum characters
  • Java is scalable and object-oriented. It runs on an appropriate application server which is a mandatory feature for AI and ML projects
  • Cross-platform features of Java enables you to develop software for several competing platforms
  • You can easily learn and create effective solutions as there is always someone who can help you in the amazing Java community
  • Multiple free tutorials are available to learn Java which makes learning easier

From machine learning solutions, neural networks, to genetic programming, and multi-robot systems, Java is the programming language used to implement all of them.

 

Top Tips to Improve Java Coding Skills

 

If you are a beginner in Java programming, or you are trying to advance your skills, we’ll share some top tips for you.

Let’s dive in step by step on how you can improve your coding skills:

 

1. Get the basics clear

 

The first step is to get your basics clear to build a strong foundation. That entails seeking and gaining an in-depth understanding of data structures, algorithms, object-oriented principles, and design patterns.

Get to know object-oriented principles and understand the concepts related to a real-life situation. Have a solid understanding of the interface and its use.

If you find it difficult to improve yourself, find a good source to take up training classes to strengthen your basics and advance your skills in Java programming language.

Remember, understand the concepts rather than studying it.

Some basics of Java that you should learn as a beginner are:

  • Java 8
  • Spring Framework (Spring Boot)
  • Unit Testing
  • APIs and Libraries
  • JVM’s Internals
  • Design Patterns
  • DevOps Tools
  • Kotlin
  • Microservices

 

2. Learn OO (Object-Oriented) principles

 

Next step is to get a strong understanding of OO Principles. Object-oriented design principles like Abstraction, Encapsulation, Polymorphism, and Inheritance are very significant in Java programming.

Learn the basics and understand these design principles to use it in your code. Ensure that the design principles or pattern is a real-world example.

Referencing open source code from Apache and Google some good resources to OOP design principles.

In a nutshell, these design principles are an important part of a developer's toolkit.

 

3. Read books and blogs to stay updated

 

Books can give you solid knowledge even whether you are a beginner or an advanced developer.  You can learn everything from concepts to real-world objects.

Excellent books like those authored by Joshua Baloch (former chief Java architect at Google) will give you real-world examples and practical, authoritative guidelines for well-designed programs.

Apart from books, read the documentation and blogs related to Java. Keep yourself updated on what’s happening in the Java world by joining good forums and subscribing to good articles and newsletters.

Also remember that thousands of people are working on Java programming and other related technologies across the globe. Blogs are the easiest and most convenient way of sharing information on it all. Read the blogs and articles programmers write, their perspectives and works to stay well informed and up to date with the pulse of the industry.

 

4. Practice, practice, practice coding

 

The knowledge you learn must be put into practice. You must implement what you learn.

Practice programming, make targets, and complete them on time. Find projects and start working on them to improve your coding skills and become a good programmer. When you try coding yourself, you can easily identify and learn from your mistakes.

Initially, you might make mistakes in designing, error handling, and threading, for example. Find out more about the errors, learn from them, and then keep improving your skills. The key to developing your skills in Java is to code, code, and code.

 

5. Do code reviews

 

Another way to improve your Java skills is to do code reviews. Code review improves your knowledge of the programming language. It helps not just the student, but also the reviewer too. As you may well know, a great way to learn is through teaching.

Get genuine advice from reviewers and learn from the mistakes. By a code review, you can learn about language features, changes in the design of the project, coding standards, and many other things. It’s an effective technique that programmers use to learn and teach each other.

Code review and Unit testing are practices that can help beginners learn from other programmers more quickly. Unit testing is basically a software testing method by which individual units of code can be tested to evaluate if they are fit for use.

Using those two processes, you can find errors easily in complex pieces of the applications, and in so doing not only enhance the overall operations of the app as the tests pay attention to each unit, but also enhance your own Java skills.

 

6. Keep improving your skills

 

There are critical skills that are equally useful for both core Java developers, as well as Java web developers. Learn the following to advance your skills:

  • Java 8
  • Spring Framework (Spring Boot)
  • Unit Testing
  • APIs and Libraries
  • JVM's Internals
  • Design Patterns
  • DevOps Tools

 

7. Stay patient and committed

 

Last but not least, commit to your own self-improvement. Don’t waiver or dilly dally. In Java, and life in general, you must be dedicated and patient to reach your goals.

To master any skills, you must have good practice and patience. You’ll be a good Java programmer only if you are consistently working towards it and patiently nurturing your skills development.

So, follow the aforementioned tips and start building your skills to become a great Java developer. Find out the domains that you need to work on and dedicate yourself to it. And do not stick only on theoretical data, rather start experimenting with real-life projects.

Good luck!


Sharafudhin Mangalad is Managing Director at Edoxi Training Institute, offering JAVA Programming Training Course in Abu Dhabi. He is also an experience businessman and writer. You can connect with him on LinkedIn.


 

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