application1.java

用JAVA编译一个聊天程序,由主程序

//	主程序 

import java.awt.Dimension;
import java.awt.Toolkit;

import javax.swing.SwingUtilities;
import javax.swing.UIManager;

public class Application1 { 
	boolean packFrame = false; 

	/** 
	* Construct and show the application. 
	*/ 
	public Application1() { 
	Frame1 frame = new Frame1(); 
//	 Validate frames that have preset sizes 
//	 Pack frames that have useful preferred size info, e.g. from their layout 
	if (packFrame) { 
	frame.pack(); 
	} else { 
	frame.validate(); 
	} 

//	 Center the window 
	Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize(); 
	Dimension frameSize = frame.getSize(); 
	if (frameSize.height > screenSize.height) { 
	frameSize.height = screenSize.height; 
	} 
	if (frameSize.width > screenSize.width) { 
	frameSize.width = screenSize.width; 
	} 
	frame.setLocation((screenSize.width - frameSize.width) / 2, 
	(screenSize.height - frameSize.height) / 2); 

	} 

	/** 
	* Application entry point. 
	* 
	* @param args String[] 
	*/ 
	public static void main(String[] args) { 
	SwingUtilities.invokeLater(new Runnable() { 
	public void run() { 
	try { 
	UIManager.setLookAndFeel(UIManager. 
	getSystemLookAndFeelClassName()); 
	} catch (Exception exception) { 
	exception.printStackTrace(); 
	} 

	new Application1(); 
	} 
	}); 
	} 
	}