Java -Thực hành về JLabel - JButton

GUIDEMO.java

---

package thanhcs.blogspot.com;

import java.awt.BorderLayout;
import java.awt.Button;
import java.awt.Color;
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.JPanel;
import javax.swing.SwingConstants;

public class GUIDEMO extends JFrame implements ActionListener{

    JPanel mJpanel;
    JLabel mjLabel;
    JButton btnOK, btnCancel;
    public GUIDEMO() {
        
        setLayout(new BorderLayout());
        
        mjLabel = new JLabel("Continues ?",SwingConstants.CENTER);
        mjLabel.setForeground(Color.red);    
        add(mjLabel,BorderLayout.CENTER); 
        
        mJpanel = new JPanel();
        mJpanel.add(btnOK = new JButton("OK"));
        mJpanel.add(btnCancel = new JButton("Cancel"));
        btnCancel.addActionListener(this);
        add(mJpanel, BorderLayout.SOUTH);
        
        
        
        
        setVisible(true);
        setDefaultCloseOperation(EXIT_ON_CLOSE);
        setSize(300, 100);
        setLocationRelativeTo(null);
    }
    @Override
    public void actionPerformed(ActionEvent arg0) {
        System.exit(0);
        
    }
    
}

---

test.java

package thanhcs.blogspot.com;

public class test {

    
    public static void main(String[] args) {
        GUIDEMO a = new GUIDEMO();
    }
}

---

And result :