import java.awt.event.*;
class aa extends Frame implements ActionListener{
TextField t;
Button b,bn;
static int num=0;
bb bframe;
aa(){
t=new TextField(10);
b=new Button("确定");
bn=new Button("另一窗口");
bframe=new bb();
setLayout(new FlowLayout());
add(t);
add(b);
add(bn);
setBounds(100,100,300,400);
setVisible(true);
validate();
b.addActionListener(this);
bn.addActionListener(this);
}
public void actionPerformed(ActionEvent e){
if(e.getSource()==b)
num=Integer.parseInt(t.getText());
else
bframe.setVisible(true);
}
}
class bb extends Frame{
TextField t;
bb(){
t=new TextField(10);
setLayout(new FlowLayout());
add(t);
t.setText(""+aa.num);
setBounds(200,200,200,200);
setVisible(false);
validate();
}
}
public class test{
public static void main(String args[]){
new aa();
new bb();
}
}
本意是想让类aa中的num传到类bb中,但实现不了.
why?
