Description: package String与AWT的比较
import java.awt.event.WindowAdapter
import java.awt.event.WindowEvent
import javax.swing.JFrame
import javax.swing.JLabel
import javax.swing.JMenu
import javax.swing.JMenuBar
import javax.swing.JMenuItem
public class Demo extends JFrame{//定义一个窗口，继承JFrame窗口类
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String与AWT的比较\Demo.java
String与AWT的比较
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