Use variables from other class from other file to another in java

Question

There are two players who will input their name in the JTextFields. What I want to do is that the data I entered from the Welcome frame in Enter.java will be transferred to the

Answer 1

Try to make ActualGam as a underclass of Enter

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import static javax.swing.JFrame.EXIT_ON_CLOSE;

public class Enter extends JFrame implements ActionListener {

private String one = "";
private JTextField txtOne = new JTextField();

public Enter() {
    this.setLayout(new FlowLayout());
    setDefaultCloseOperation(EXIT_ON_CLOSE);
    setTitle("Welcome");
    setSize(200, 130);
    setVisible(true);
    setResizable(false);
    setLocationRelativeTo(null);

    add(txtOne);

    enter.addActionListener(this);

}

public void actionPerformed(ActionEvent e) {
    Main main = new Main();
    this.setVisible(false);
    one = txtOne.getText();

}
class ActualGame extends JPanel{

   private JLabel lblOne = new JLabel(one);

   public ActualGame() {
    setLayout(new FlowLayout());
    Enter.this.add(lblOne);
   }
}
}