Hello world program

How to develop A Hello world Progaram ?

Let's see the development of Hello world program.

Develop the program as show below.

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

Here in bule color all are keywords , red are inbuilt classes and pink is the string literal.
More about keywords,identifiers and basic syntax click here.
Save this code with file name as Test.java .

Here Test is class name and .java is the file extension for java files.

e.g D:\app1\src\Test.java

Start the command prompt and follow the procedure

C:\Users\xyz>D:

D:\>cd app1\src

D:\app1\src\>javac Test.java

D:\app1\src>java Test

Hello world!

Download this File

Internal process of compilation stage click here