Merge branch 'JSrollBar' into 'main'

J sroll bar

See merge request fdai7332/java-chat!11

src/main/java/Notizbuch.java

@@ -0,0 +1,67 @@
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.*;
+import java.io.*;
+import javax.swing.JFrame;
+
+public class Notizbuch extends JFrame implements ActionListener {
+
+	private JTextArea textArea;
+	private JButton saveButton;
+	private JButton loadButton;
+
+	public Notizbuch() {
+		setTitle("Notizbuch");
+		setSize(400, 300);
+		setDefaultCloseOperation(EXIT_ON_CLOSE);
+		setLayout(new BorderLayout());
+
+		textArea = new JTextArea();
+		add(new JScrollPane(textArea), BorderLayout.CENTER);
+
+		saveButton = new JButton("Speichern");
+		saveButton.addActionListener(this);
+		loadButton = new JButton("Laden");
+		loadButton.addActionListener(this);
+
+		JPanel buttonPanel = new JPanel();
+		buttonPanel.add(saveButton);
+		buttonPanel.add(loadButton);
+
+		add(buttonPanel, BorderLayout.SOUTH);
+	}
+
+	@Override
+	public void actionPerformed(ActionEvent e) {
+		if (e.getSource() == saveButton) {
+			saveNote();
+		} else if (e.getSource() == loadButton) {
+			loadNote();
+		}
+
+	}
+
+	private void saveNote() {
+		try (PrintWriter writer = new PrintWriter(new FileWriter("notizen.txt"))) {
+			writer.print(textArea.getText());
+			JOptionPane.showMessageDialog(this, "Notiz erfolgreich gespeichert!");
+		} catch (IOException e) {
+			JOptionPane.showMessageDialog(this, "Fehler beim Speichern der Notiz: " + e.getMessage());
+		}
+	}
+
+	private void loadNote() {
+		try (BufferedReader reader = new BufferedReader(new FileReader("notizen.txt"))) {
+			StringBuilder noteText = new StringBuilder();
+			String line;
+			while ((line = reader.readLine()) != null) {
+				noteText.append(line).append("\n");
+			}
+			textArea.setText(noteText.toString());
+		} catch (IOException e) {
+			JOptionPane.showMessageDialog(this, "Fehler beim Laden der Notiz: " + e.getMessage());
+		}
+	}
+}