First  GUI Program 















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TThis code will create a simple GUI. We will be using SWING, which is the newer and more capable GUI framework
for Java applications. The aim of this program is simple: to display an image. The image is actually added on top of
a label. See the code listed below for a complete description 


// Import the needed packages

import javax.swing.*;
import javax.swing.event.*;

import java.util.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.border.*;

// The class we create uses and adds to - extends- JFrame. JFrame is where the GUI is  displayed
class firstgui extends JFrame
   
    {
         //define an ImageIcon  called icon1. The image is specified by name
        ImageIcon icon1 = new ImageIcon("Globe1.gif");

        // Create a JLabel called label1 using the ImageIcon icon1          
        JLabel label1 = new JLabel(icon1);
       
       // This is called the contructor: it initializes the class with some values before starting
         firstgui()
        {
        // We need to get the content pane and create a containter from it
        Container container1 = getContentPane();

        // Add the label to the container
       container1.add(label1);

         // set sizes and visibility
        setSize(400,400);
        setVisible(true);
        }
       
    }

// This is the main class: this is where it happens
public class runfirstgui2

{
    public static void main(String[] bargs)

{
// create a new firstgui object   
firstgui firstguiobject = new firstgui();
}
   
}




Result:

runguiresult


Copyright 2005 Gehan Ameresekere



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