Demo 2: Generate a Windows GUI Application

Function: Convert JAR archive into Executive.

Part 1: Build a java program and create a jar charchive

1. Compose a java program D:\test\HelloWorld.java:

package test; import java.awt.Toolkit; import javax.swing.JFrame; import javax.swing.JTextField; public class HelloWorld extends JFrame {     public HelloWorld()     {         JTextField text = new JTextField("Hello, world");         this.getContentPane().add(text);     }         public static void main(String argv[])     {         HelloWorld win = new HelloWorld();         Toolkit    tk  = Toolkit.getDefaultToolkit();         int Width  = tk.getScreenSize().width;         int Height = tk.getScreenSize().height;         // size and pos         win.setSize(100, 100);         win.setLocation((Width - 100) / 2, (Height - 100) / 2);         // show         win.setVisible(true);         win.setDefaultCloseOperation(EXIT_ON_CLOSE);     } }

2. Compile, we get HelloWorld.class:

D:\>javac -target 1.2 test/HelloWorld.java

3. Use jar.exe to create test2.jar:

D:\>jar cvf test2.jar test/HelloWorld.class

Part 2: Use free tool to create .exe file

1. Download and install this free tool:

[Free Edition Download]

2. Launch J2EWizard, select the jar file, then press next to continue:

3. Select the application type. Here we select "Windows GUI Application":

4. Input the main class to start:

5. Type in the exe filename you want to get:

6. Press next, the exe file is generated.

Part 3: Run the Exe file

1. Double click or type on console: test2, the result:

2. Download the program and result exe in this demo:

[test.zip] - 20kb

More Demos:

Demo 1: How to generate a CONSOLE application in java?

Demo 3: How to build and create a Window NT Service in java?

Demo 4: Window NT Service supports PAUSE/CONTINUE.

Demo 5: System Taskbar Tray Icon and Event Log