import java.awt.*;
import java.awt.event.*;
public class me {
public static void main(String[] args) {
Frame f=new Frame("Swap");
Label l=new Label("Enter First Number");
Label l1=new Label("Enter Second Number");
TextField t1=new TextField(10);
TextField t2=new TextField(10);
Button b=new Button("Swap");
b.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent ae)
{
String tmp=t1.getText();
t1.setText(t2.getText());
t2.setText(tmp);
}
} );
f.add(l);
f.add(l1);
f.add(t2);
f.add(t1);
f.add(b);
f.setLayout(new FlowLayout());
f.setSize(300,300);
f.setVisible(true);
}
}
Output:
