Pixel

Coordinate System

The HelloWorld GUI

   

import javax.swing.*;
import java.awt.*;

public class HelloWorld extends JFrame {

  public HelloWorld() {

    setTitle("Hello World Frame");                              
         
    JLabel lblHello = new JLabel("Hello World", JLabel.CENTER);  
    lblHello.setForeground(Color.red);                           
         
    Container c = getContentPane();                              
    c.add(lblHello);                                             
    c.setBackground(Color.lightGray);                            
         
    setSize(200, 150);                                           
    setLocation(200, 200);                                       
    setDefaultCloseOperation(EXIT_ON_CLOSE);                     
        setVisible(true);                                           

    }
  
  public static void main(String [] args) {
    
    HelloWorld frmHello = new HelloWorld();                      

  }

}