Thanks mkwayisi

thank you my dear mashnino but i want u to know that i know what am doing,and i also want u to know that the word GUI stand for Graphical user interface so as you can see JOptionpane is a way of display message Graphically.
And the reason why am in this forum is because i want to learn more on what are know and to also help my friends with what they don't know.

dis is my email:sani.muhammad37@yahoo.com

1 /*
2 * To change this template, choose Tools | Templates
3 * and open the template in the editor.
4 */
5 package helloworld.java;
6
7 /**
8 *
9 * @author MUHAMMAD
10 */
11 public class HelloworldJava {
12
13 /**
14 * @param args the command line arguments
15 */
16 public static void main(String[] args) {
17 System.out.println("welcome muhammad sani";
18 }
19 }
20
21 [color=#770077][/color]

import javax.swing.JFrame;
public class GUI1Test {
public static void main(String arg[]){
GUI1 g=new GUI1();
g.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
g.setSize(200, 300);
g.setVisible(true);
}//end of main method

}//end of class GUI1Test

import java.awt.Color;
import java.awt.FlowLayout;
import java.awt.event.ActionListener;
import java.awt.Event;
import java.awt.event.ActionEvent;
import java.awt.Font;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JTextField;
import javax.swing.JOptionPane;


public class GUI1 extends JFrame{
private JTextField F;
private JLabel Text;
private JTextField Field;

public GUI1(){
super("This is the Title";

setLayout(new FlowLayout());

Text=new JLabel("Hi Welcome to my windows";
add(Text);
Field=new JTextField(5);
add(Field);

Handler h=new Handler();
Field.addActionListener(h);
}//end of constructor
private class Handler implements ActionListener{

public void actionPerformed(ActionEvent event){

String S="";

if(event.getSource()==Field){

S=String.format("Hi How Are You %s",event.getActionCommand());


}//end of if statements
F=new JTextField(S);
F.setForeground(Color.red);

add(F);

}//end of method actionPerformed


}//end of class Handler

}//end of class GUI1
[color=#006600][/color]

ok am waiting!!!

I can teach you the best i know,

Thank u