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Before moving on to practice, let's look at an example program where we will declare variables and assign values to them: public class HelloWorld { public static void main(String[] args) { int a; int b = 5; String s = “Hello, World!”; a = 2; System.out.println(a); System.out.println(a + b); System.out.println(s); } }
3 sie 2024 · Here you have the opportunity to practice the Java programming language concepts by solving the exercises starting from basic to more complex exercises. A sample solution is provided for each exercise.
Variables are locations in memory to hold data. In this tutorial, we will learn about Java variables and literals with the help of examples.
The exercises are a mix of "multiple choice" and "fill in the blanks" questions. There are between 3 and 9 questions in each category. The answer can be found in the corresponding tutorial chapter. If you're stuck, or answer wrong, you can try again or hit the "Show Answer" button to see the correct answer.
The best way to learn Java programming is by practicing examples. The page contains examples on basic concepts of Java. You are advised to take the references from these examples and try them on your own. All the programs on this page are tested and should work on all platforms.
Variables are used when you need to store a value and refer to it elsewhere in the code. This article explains how to declare, initialize and use variables in Java.
Complete your Java coding practice with our online Java practice course on CodeChef. Solve over 180 coding problems and challenges to get better at Java. 4.5 (10723 reviews )
