import javax.swing.*;
import java.awt.*;

package seventhlecture;

public class Gui {

        private JFrame f;
        private JPanel p;
        private JLabel lab;
        private JButton b1;

        public test (){

                gui ();


        }

        public void gui(){
                f = new JFrame("My frame");
                f.setVisible(true);
                f.setSize(720, 580);
                f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

                p= new JPanel();
                p.setBackground(Color.BLUE);

                b1= new JButton("Click");
                lab = new JLabel ("My label");

                p.add(b1);
                p.add(lab);

                f.add(p);

        }

        public static void main(String[] args) {

                new Gui();

        }

}
import javax.swing.*;
import java.awt.*;

package seventhlecture;

public class Gui {

        private JFrame f;
        private JPanel p;
        private JLabel lab;
        private JButton b1;

        public test (){

                gui ();


        }

        public void gui(){
                f = new JFrame("My frame");
                f.setVisible(true);
                f.setSize(720, 580);
                f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

                p= new JPanel();
                p.setBackground(Color.BLUE);

                b1= new JButton("Click");
                lab = new JLabel ("My label");

                p.add(b1);
                p.add(lab);

                f.add(p);

        }

        public static void main(String[] args) {

                new Gui();

        }

}