How to convert from awt to swing in java

package cubaawt1;
import java.awt.*;

public class L1F1044 
{
    L1F1044()
    {
        
        Frame f = new Frame("");
        f.setBackground(Color.pink);
        f.setSize(360,400); 
        f.setLayout(new BorderLayout());
        
        //menu bar declaration
        MenuBar menubar = new MenuBar();  
        Menu menu = new Menu("Menu");  
        MenuItem mi1 =new MenuItem("Introduction");  
        MenuItem mi2 = new MenuItem("Exit");
        menu.add(mi1);  
        menu.add(mi2);
        menubar.add(menu);
        
        f.setMenuBar(menubar);  
       
        //set label and label declaration 
        Label label = new Label("My Mini Calculator- by Akashah");
       
        //make panel for My mini Calculator...
        Panel p1 = new Panel();
        p1.setBackground(Color.cyan);
        p1.setFont(new Font("Monospaced",Font.PLAIN,18));
        
        p1.add(label);
        f.add("North",p1);
        
        //label 1 
        Label lbl1 = new Label("First Number");
        lbl1.setForeground(Color.darkGray);
        TextField tf1 = new TextField(15);
        
        //label 2
        Label lbl2 = new Label("Second Number");
        lbl2.setForeground(Color.darkGray);
        TextField tf2 = new TextField(15);
        
        //label 3
        Label lbl3 = new Label("Result");
        lbl3.setForeground(Color.darkGray);
        TextField tf3 = new TextField(15);
        tf3.setEditable(false);
        Button btn5 = new Button("Clear");
      
        //add all label and btn5 in panel p2 
        Panel p2 = new Panel();
        p2.add(lbl1);
        p2.add(tf1);
        p2.add(lbl2);
        p2.add(tf2);
        p2.add(lbl3);
        p2.add(tf3);
        p2.add(btn5);
        f.add(p2);
 
        Button btn1 = new Button("Add");
        Button btn2 = new Button("Sub");
        Button btn3 = new Button("Mult");
        Button btn4 = new Button("Div");
   
        Panel p3 = new Panel();
        p3.setBackground(Color.gray);
        p3.add(btn1);
        p3.add(btn2);
        p3.add(btn3);
        p3.add(btn4);
        f.add("East",p3);
        
        f.setVisible(true);
     
    }
     public static void main(String [] args)
    {
        //call method L1F1044
        L1F1044 Lab = new L1F1044();
    }
}