Delete MainGUI.java

MainGUI.java

-package notenmanager;
-import java.awt.EventQueue;
-import java.awt.event.ActionEvent;
-import java.awt.event.ActionListener;
-
-import javax.swing.*;
-import java.awt.*;
-
-public class MainGUI extends JFrame {
-
-	public MainGUI() {
-		setTitle("Notenmanager");
-		setSize(960, 540);
-		setLocationRelativeTo(null);
-		setDefaultCloseOperation(EXIT_ON_CLOSE);
-		
-		Container pane = getContentPane();
-		GroupLayout groupLayout = new GroupLayout(pane);
-		pane.setLayout(groupLayout);
-		
-		JButton	button = new JButton("Test");
-		button.addActionListener(new ActionListener() {
-			
-			@Override
-			public void actionPerformed(ActionEvent e) {
-				System.out.println("TEST erfolgreich");	
-			}
-		});
-		
-		groupLayout.setVerticalGroup(groupLayout.createSequentialGroup().addComponent(button));
-		groupLayout.setHorizontalGroup(groupLayout.createSequentialGroup().addComponent(button));
-		
-		groupLayout.setAutoCreateContainerGaps(true);
-	}
-	
-	public static void main(String[] args) {
-		EventQueue.invokeLater(new Runnable() {
-			@Override
-			public void run() {
-				MainGUI main = new MainGUI();
-				main.setVisible(true);
-			}
-		});
-	}
-
-}