ActionListener With Input

package com.home;

import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.*;



public class Prasanna {

    public void showGUI() {
        JFrame jf = new JFrame(); // Creates new JFrame in Memory
        jf.setTitle("Prasanna"); // Sets title of jf to Prasanna
        jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); // Sets the X mark/Alt+F4 control to exit app
        jf.setSize(200,100); // Gives size to the Frame to fill objects
        JButton jb = new JButton("Press Me"); // Create a button object
        JTextField jtf = new JTextField(20);
        JLabel jl = new JLabel("Do Something",JLabel.CENTER);
        jf.add(jtf,BorderLayout.NORTH);
        jf.add(jl, BorderLayout.CENTER);
        jb.addActionListener(new myAction(jtf,jl));
        jf.add(jb, BorderLayout.SOUTH); // Creates a new Button in that JFrame
        jf.setVisible(true);
    }

    public class myAction implements ActionListener
    {
        JLabel jl;
        JTextField jtf;
        public myAction(JTextField jtf, JLabel jl) {
            this.jtf = jtf;
            this.jl = jl;
        }
        public void actionPerformed(ActionEvent prasannaEvent) {
            jl.setText("You typed " + this.jtf.getText());
        }

    }

    public static void main(String[] args) {
        Prasanna p = new Prasanna();
        p.showGUI();
    }
}