Methodenaufruf aus actionPerformed-Methode

Code (Java):

package listen01;

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

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;

public class Listener_1 extends JFrame implements ActionListener{
    // Deklarationen
    private JButton button1;
    private JPanel panel;
    public Show zeige;
   
    // Konstruktor
    public Listener_1() {
        this.setTitle("Button Test");
        this.setSize(200, 200);
       
        panel =...

Methodenaufruf aus actionPerformed-Methode

Methodenaufruf aus actionPerformed-Methode