9 Java Development Tips for Beginners

Java is one of the most popular programming languages. Developed by Sun Microsystems, Java is the leader when we talk about cross platform programming and application software. Java enjoys this level of unprecedented popularity owing to the fact that its deployment is easy and efficient.

Let’s take a look at some statistics:

  • At present over 3 billion devices run on Java
  • According to Oracle, more than 5 billion Java cards are in use
  • Over 9 million developers choose to write their code in Java

With the above statistics, it is clear how Java is one of the most popular programming languages at present. Most companies prefer to use Java for their programming requirements. The experts at Itransition find out the best features of Java with the help of their development team.

The simplicity of Java sometimes can be distracting and which is why most of the experienced Java developers aim a notch higher to explore different possibilities that Java brings in. In this article, we shall be discussing some important tips that can help you grow as a Java developer and gain more knowledge about the language; especially, if you’re a beginner.

#1 Basics are Important

Java is a powerhouse of features and options for developers. As a result, sometimes people get lured into learning too many things in a short span of time. This bite sized knowledge gained through a shortcut hangs on a loose thread! Simple basics can be easy to grasp, but developers get frustrated if they try to learn too many things in too little time.

#2 Reading is Not Enough

If you are really serious about learning Java and mastering it, the best way is not just reading and mugging information, but, by implementing the knowledge that you are gaining in the form of code. Gain knowledge and then execute it practically. This is the best way to experience and master the language.

#3 Understand the Code & the Algorithm

Even if you are writing a simple code with an “if else” statement, as a beginner you should start writing the code on paper first. Once you understand the idea behind the code, the algorithm and the compiler process will become more meaningful. Even the most experienced and master Java developers take the route of breaking down the problem into sub-parts and devising a solution. This way you will understand better and will get more confidence to work on complex problems.

#4 Allocate Memory

For those of you who switch from C, C++ to Java, this tip will come in handy. Memory allocation in Java by using the “new” keyword is a necessity since Java is a dynamic language. C and C++ does not have this feature. Hence, you need to take care when you handle object and array declaration in Java.

#5 Do not Create Useless Objects

Whenever you create an object in Java, you use memory and processor speed from a system. Moreover, object creation is incomplete without memory allocation. Therefore, keep a track of object requirements and avoid creating unwanted objects in Java code.

#6 Interface is Better compared to Abstract Class

Multiple inheritance is absent in Java. This fact is told to you multiple times while learning the language and you must know it by heart now. But, in Java interface comes in handy. If you want to implement multiple inheritance, the interface will be helpful. On the other hand, abstract class does not give programmers the liberty of choosing a variety of methods to work with.

#7 Standard Library is Good

The best advantage that Java has over its predecessors is its rich set of standard library methods. The standard library of Java makes a programmer’s job easy, efficient and well organized. Also, operations can be performed more easily on methods that are specified in the library.

#8 Prefer Primitive Class over Wrapper Class

Wrapper classes have utility value but they are slower than primitive classes. Primitive class has values while wrapper class contains information on entire class. Also, since wrapper class deals with object values, to compare the two does not give desired results and often ends up comparing objects rather than values stored in it.

#9 Strings

Object oriented programming classifies String as a class. Hence, a simple concatenation of 2 strings can result into creating a new string object in Java which affects system speed and memory. It is better to instantiate a string object directly without making use of a constructor for the purpose.


There is a lot to learn about Java. It keeps getting interesting as and when you discover more about it. However, it is important to maintain interest and fuel the desire to keep learning. A programming language like Java can be self-learnt successfully, provided you keep updating yourself and continuously test your knowledge with practical application.

9 Java Development Tips for Beginners 2
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