MVC Example 1

                        Swing MVC Example in java

Java Swing first programs

In this chapter, we will program our first programs in Swing toolkit. The examples are going to be very simple. We will cover some basic functionality.

Our first example

In our first example, we will show a basic window.

import javax.swing.JFrame;

public class Simple extends JFrame {

public Simple() {

setSize(300, 200);

setTitle("Simple");

setDefaultCloseOperation(EXIT_ON_CLOSE);

}

public static void main(String[] args) {

Simple simple = new Simple();

simple.setVisible(true);

}

}

While this code is very small, the application window can do quite a lot. It can be resized,

maximized, minimized. All the complexity that comes with it has been hidden from the

application programmer.

import javax.swing.JFrame;

Here we import the JFrame widget. It is a toplevel container, which is used for placing other

widgets.

setSize(300, 200);

setTitle("Simple");

This code will resize the window to be 300px wide and 200px tall. It will set the title of the

window to Simple.

setDefaultCloseOperation(EXIT_ON_CLOSE);

This method will close the window, if we click on the close button. By default nothing

happens.

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