import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.Jframe;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JTextField;
public class gui extends Jframe{
JButton button=new JButton("按钮");
JTextField textField1=new JTextField("1");
JLabel label=new JLabel("");
public gui(){
setTitle("计算最大公约数");
setSize(300,300);
setLocation(400,400);
setDefaultCloseOperation(Jframe.EXIT_ON_CLOSE);
setLayout(null);
button.setSize(100,100);
button.setLocation(20,100);
textField1.setBounds(20,50,100,50);
add(textField1);
add(button);
button.addActionListener((ActionListener) new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
textField1.setText("Hello world");
}
});
}
public static void main(String[] args) {
gui frameSsss=new gui();
frameSsss.setVisible(true);
}
}
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