完成一个关闭窗体的事件:一直报错,请赐教!
import java.awt.*;
import java.awt.Window.*;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowListener;public class WindowEvent {
public static void main(String[] args)
{new Frame1("Frame1");}
}class Frame1 extends Frame{
Frame1(String s)
{super(s);
setLayout(null);
setBounds(300,300,200,200);
setBackground(new Color(203,203,211));
setVisible(true);
this.addWindowListener(new WindowAdapter()
{ public void windowClosing(WindowEvent e)
{setVisible(false);
System.exit(0);
}
}
}
}
报错:/*Exception in thread "main" java.lang.Error: Unresolved compilation problems:
Syntax error, insert ")" to complete Expression
Syntax error, insert ";" to complete Statement at Frame1.<init>(WindowEvent.java:25)
at WindowEvent.main(WindowEvent.java:8)*/
import java.awt.*;
import java.awt.Window.*;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowListener;public class WindowEvent {
public static void main(String[] args)
{new Frame1("Frame1");}
}class Frame1 extends Frame{
Frame1(String s)
{super(s);
setLayout(null);
setBounds(300,300,200,200);
setBackground(new Color(203,203,211));
setVisible(true);
this.addWindowListener(new WindowAdapter()
{ public void windowClosing(WindowEvent e)
{setVisible(false);
System.exit(0);
}
}
}
}
报错:/*Exception in thread "main" java.lang.Error: Unresolved compilation problems:
Syntax error, insert ")" to complete Expression
Syntax error, insert ";" to complete Statement at Frame1.<init>(WindowEvent.java:25)
at WindowEvent.main(WindowEvent.java:8)*/
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import java.awt.*;
import java.awt.Window.*;
import java.awt.event.*; public class WindowEvent {
public static void main(String[] args){
new Frame1("Frame1");
}
} class Frame1 extends Frame{
Frame1(String s){
super(s); setLayout(null);
setBounds(300,300,200,200);
setBackground(new Color(203,203,211));
setVisible(true);
this.addWindowListener(new WindowAdapter(){
public void windowClosing(WindowEvent e){
setVisible(false);
System.exit(0);
}
});//这里
}
}