Java GUI Programming

JOptionPane

JOptionPane makes it easy to pop up a standard dialog box that prompts users for a value or informs them of something.

1. Message Dialogs
This joptionpanes we can use for display messages to the users.To display a message here the code

import javax.swing.JOptionPane;

public class TestJoptionpane {

/**
* @param args
*/
public static void main(String[] args) {

String fname,lname;// two string type variables

fname = JOptionPane.showInputDialog("Enter your first Name?"); //getting the first name
lname = JOptionPane.showInputDialog("Enter your last Name?");	// getting last name

JOptionPane.showMessageDialog(null, "Your name is "+fname+" "+ lname);// display full name in the message

}

}

2. Confirm Dialogs

import javax.swing.JOptionPane; 

/**
*
* @author Developer
*/
public class message {

public void displayConfirmMessage(){

int opt= JOptionPane.showConfirmDialog(null, "Do you want to exit the program?","contact",JOptionPane.YES_NO_OPTION);

if(opt==0){

System.exit(1);// if user select yes program will exit
}

}

}

You can create objects of this class and call it when exit button clicked.

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