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

class PracticeGUIMethods extends JFrame{
   //basic GUI objects;depends on what is needed
   private JFrame frame1;
   private JLabel label1;
   private JTextField text1;
   private JButton button1;
   private JPanel panel1;
   private Color c1;
   private Font f1;
   
   public PracticeGUIMethods(){//constructor to put all required building blocks of GUI
      setTitle("Title");//title of the GUI;located at the top
      setSize(500,300);//width, height
      setLocationRelativeTo(null); //sets the location of the GUI to center
      setLayout(new GridLayout(4,1));
      
      //proper declaration or calling of created objects or variables
      frame1 = new JFrame();
      label1 = new JLabel("Hi Im label 1");
   
      
      text1 = new JTextField();
      button1 = new JButton("Click me!");
      
      //action and key listener
      button1.addActionListener(
         new ActionListener(){
            public void actionPerformed(ActionEvent e){
               System.exit(0);
            }
         });
      
      text1.addKeyListener(
         new KeyListener(){
            public void keyTyped(KeyEvent e){
            
            }
         
            public void keyPressed(KeyEvent e){
               if(e.getKeyCode() == KeyEvent.VK_ESCAPE){
                  System.exit(0);
               }
            }
         
            public void keyReleased(KeyEvent e){
            
            }
         });
         
      add(label1);
      add(text1);
      add(button1);
      setVisible(true);
   } 
}

public class PracticeGUI{
   public static void main(String[] args){
      SwingUtilities.invokeLater(
         new Runnable(){//to basically call the methods and display the created GUI; constant
            public void run(){
               new PracticeGUIMethods();
            }
         });
   }
}