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How to write "Hello World" in Java

Educative Answers Team

The first step to getting familiar with a new language is to write a simple “Hello World” program. To create a “Hello World” program in Java, just follow these simple steps:

  • Create a file (i.e.,
  • Make sure that the outer class is of the same name as the filename, ​without extension (i.e., helloworld).
  • Now write the main method for the helloworld class.
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In the code below, the same steps are followed for the Hello World program.

Remember, every program in Java consists of a main method with the same signature, ​i.e., public static void main(String []args).​

class HelloWorld {
    public static void main( String []args ) {
        System.out.println( "Hello World!" );


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