hello world in java

1public class Main {
2
3  public static void main(String[] args) {
4  	System.out.println("Hello, World!"); 
5  }
6  
7}

1public static void main(String[] args){
2  System.out.println("Hello World");
3}

1public class className{
2  public static void main(String[] args){
3    System.out.println("Hello World"); // println brings into a new line and print doen't
4  }
5}

1class HelloWorld {
2  public static void main(string[] args) {
3    System.out.println("Hello World!");
4  }
5}

1import javax.swing.JFrame;  //Importing class JFrame
2import javax.swing.JLabel;  //Importing class JLabel
3public class HelloWorld {
4    public static void main(String[] args) {
5        JFrame frame = new JFrame();           //Creating frame
6        frame.setTitle("Hi!");                 //Setting title frame
7        frame.add(new JLabel("Hello, world!"));//Adding text to frame
8        frame.pack();                          //Setting size to smallest
9        frame.setLocationRelativeTo(null);     //Centering frame
10        frame.setVisible(true);                //Showing frame
11    }
12}

1//Print Hello World in Java
2
3public class HelloWorld {
4    public static void main(String[] args) {
5        System.out.println("Hello, World!"); 
6    }
7}