Java is a very successful and popular programming language. It is very reliable and is widely used in our day to day lives, prominently seen in web or mobile applications. There is much demand for Java these days and the Java programmers are being recruited largely in the Information Technology sector.
For being a good Java programmer you must focus on certain things mentioned below...
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1. Get your fundamentals first
Find a good source of knowledge be it a tutor or online videos or study material and strengthen your basics. Understanding basics is a must for further constructing your programming skills. Rather than mugging up something that you don’t get, seek help and get the logic behind it. Take your time, don’t have the target of getting everything at once, take it slowly at the starting and then gradually you’ll pick up speed.
You should learn:
Java 8
Spring Framework (Spring Boot)
Unit Testing
APIs and Libraries
JVM’s Internals
Design Patterns
2. Use open-source codes
Keep yourself updated about the latest Java technologies by joining some good forums and subscribing to newsletters. Never stop reading. Keep reading about it from somewhere or the other and try and spread your knowledge to others. It’ll also help to maintain your interest in the field. Build a habit to read lots of documentation. May it be specifications, JSR, API documents, tutorials, etc. Reading documents helps you creating that essential foundation based on which you program in best of the way.
Make a group, have discussions. Join hubs on the internet. Group discussions help you to get different views regarding the topic. You can get the pros and cons of things and you can also solve your doubts over discussions. Also, read standard books and notes.
3. Practice
Implement what you are learning. Practice programming online or offline, that’ll boost your confidence. Be regular, make targets and try and complete them withing time. Depth of knowledge comes only when you practically perform what you’ve understood. Join Java Programming Practice and Contest, like: codechef, spoj, and projecteuler.
When you start working on a new technology the best and first thing to do is to subscribe to technology forums. Whatever the issue you are facing, someone else might have already faced it earlier and you might find the solution. Follow good blogs and also help others by sharing your opinions on it. Join Java programming social plateforms, like: StackOverflow, dreamincode forum, java-forums, and coderanch forum etc.
4. Dedicate yourself
The last and the most important step that’ll you need the most is dedication. You’ll only be a good java programmer if you truly dedicate yourself to it. Don’t have a casual approach but concentrate and hold your focus on it.
Follow Java tutorials by GeeksforGeeks. Follow these methods, they’ll certainly help you and you’ll see yourself doing really good at some time. A good way to improve your coding skills and become a good programmer is working as a freelancer. It means that you find projects online, work from home and get paid online, too.
5. Unit testing
There are a lot of new framework and tools available for Java programmers to unit test and integration test their application e.g. Mockito and PowerMock for mocking objects, Robot Framework, and Cucumber for automated integration test and of course the new and shining JUnit 5 library.
There is plenty of stuff to learn on this front. If you can invest some time upgrading your unit testing skill, not only your coding skill will improve but also you will become a more professional developer, which every company looks form.
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