两个按钮 为什么只出来b2,b1怎么不显示?提示一下就OK了!谢谢大家了。
import java.awt.BorderLayout;
import java.awt.Button;
import java.awt.Frame;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
public class TextActionEvent { /**
* @param args
*/
public static void main(String[] args) {
Frame f=new Frame("wei");
Button b1=new Button("Ok");
Button b2 =new Button("No");
Monitor2 hh =new Monitor2();
b1.addActionListener(hh);
b2.addActionListener(hh);
b2.setActionCommand("hello");
f.add(b1);
f.add(b2);
f.pack();
f.setVisible(true);
}
}
class Monitor2 implements ActionListener{
public void actionPerformed(ActionEvent e){
System.out.print("AAA"+"BBB"+e.getActionCommand());
}
}
import java.awt.BorderLayout;
import java.awt.Button;
import java.awt.Frame;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
public class TextActionEvent { /**
* @param args
*/
public static void main(String[] args) {
Frame f=new Frame("wei");
Button b1=new Button("Ok");
Button b2 =new Button("No");
Monitor2 hh =new Monitor2();
b1.addActionListener(hh);
b2.addActionListener(hh);
b2.setActionCommand("hello");
f.add(b1);
f.add(b2);
f.pack();
f.setVisible(true);
}
}
class Monitor2 implements ActionListener{
public void actionPerformed(ActionEvent e){
System.out.print("AAA"+"BBB"+e.getActionCommand());
}
}
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