Java 部分 窗口 入门基础

import java.awt.BorderLayout;
import java.awt.Button;
import java.awt.Frame;
import java.awt.TextField;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

import javax.swing.JFrame;

public class Gui {

public static void main(String[] args) {
	// TODO Auto-generated method stub
	JFrame JFrame = new JFrame("Gui界面");
	JFrame.setLocation(500,500);
	JFrame.setSize(300, 200);
	//创建一个文本框
	TextField textfiled = new TextField(30);
	
	//把文本框存放在窗口JFrame的北部
	JFrame.add(textfiled,BorderLayout.NORTH);
	//创建一个按钮 Button
	Button btn = new Button("点我试试");
	JFrame.add(btn);
	//给按钮一个点击事件 使用匿名内部类 
	btn.addActionListener(new ActionListener(){
		public void actionPerformed(ActionEvent e) {
			String info = textfiled.getText();
			System.out.println("嘿嘿嘿"+ info);
			JFrame.setTitle(info);
				
		}
	} );
	JFrame.pack();//自己调节窗口大小
	JFrame.setVisible(true);//显示界面
	//关闭窗口
	JFrame.addWindowListener(new WindowAdapter() {
		public void windowClosing(WindowEvent e) {
			System.exit(0);
		}
		
	});
}

}