Check out example codes for "java hello world". It will help you in understanding the concepts better.

Code Example 1

public class Main {

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

Code Example 2

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

Code Example 3

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

Code Example 4

public class HelloWorld{

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

Code Example 5

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

Code Example 6

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

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