Grundlegende Java Projekt Strukturen angelegt.

.classpath

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+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry exported="true" kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>

.gitignore

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+/bin/

.project

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+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>inb1-a-jaujau</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>

.settings/org.eclipse.ltk.core.refactoring.prefs

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+eclipse.preferences.version=1
+org.eclipse.ltk.core.refactoring.enable.project.refactoring.history=false

src/jaujau/JauJauGUI.java

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+package jaujau;
+
+import java.awt.EventQueue;
+import java.awt.Image;
+
+import javax.swing.JFrame;
+import javax.swing.JButton;
+import java.awt.BorderLayout;
+import javax.swing.JPanel;
+import javax.imageio.ImageIO;
+import javax.swing.BoxLayout;
+import javax.swing.Icon;
+
+import java.awt.Color;
+import java.awt.Dimension;
+import javax.swing.JLabel;
+import javax.swing.ImageIcon;
+import javax.swing.SwingConstants;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.io.IOException;
+import java.net.URL;
+import java.awt.Component;
+import java.awt.Font;
+
+public class JauJauGUI {
+
+	private JFrame frame;
+
+	/**
+	 * Launch the application.
+	 */
+	public static void main(String[] args) {
+		EventQueue.invokeLater(new Runnable() {
+			public void run() {
+				try {
+					JauJauGUI window = new JauJauGUI();
+					window.frame.setVisible(true);
+				} catch (Exception e) {
+					e.printStackTrace();
+				}
+			}
+		});
+	}
+
+	/**
+	 * Create the application.
+	 */
+	public JauJauGUI() {
+		initialize();
+	}
+
+	/**
+	 * Initialize the contents of the frame.
+	 */
+	private void initialize() {
+		frame = new JFrame();
+		frame.setBounds(100, 100, 783, 762);
+		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		frame.getContentPane().setLayout(new BorderLayout(0, 0));
+		
+		JPanel panel_top = new JPanel();
+		panel_top.setPreferredSize(new Dimension(200, 100));
+		panel_top.setBackground(new Color(0, 0, 128));
+		frame.getContentPane().add(panel_top, BorderLayout.NORTH);
+		panel_top.setLayout(new BorderLayout(0, 0));
+		
+		JLabel lblNewLabel_1 = new JLabel("JauJau");
+		lblNewLabel_1.setForeground(Color.WHITE);
+		lblNewLabel_1.setHorizontalAlignment(SwingConstants.CENTER);
+		lblNewLabel_1.setInheritsPopupMenu(false);
+		lblNewLabel_1.setIgnoreRepaint(false);
+		lblNewLabel_1.setFont(new Font("Tahoma", Font.BOLD, 40));
+		lblNewLabel_1.setVerticalAlignment(SwingConstants.CENTER);
+		panel_top.add(lblNewLabel_1, BorderLayout.CENTER);
+		
+		JPanel panel_side = new JPanel();
+		panel_side.setBackground(new Color(100, 149, 237));
+		panel_side.setPreferredSize(new Dimension(200, 400));
+		frame.getContentPane().add(panel_side, BorderLayout.WEST);
+		panel_side.setLayout(new BorderLayout(0, 0));
+		
+		JPanel panel_buttons = new JPanel();
+		panel_buttons.setBackground(new Color(0, 0, 128));
+		panel_buttons.setPreferredSize(new Dimension(50, 200));
+		panel_side.add(panel_buttons, BorderLayout.WEST);
+		panel_buttons.setLayout(new BorderLayout(0, 0));
+		
+		JPanel panel = new JPanel();
+		panel.setBackground(new Color(0, 0, 153));
+		panel.setPreferredSize(new Dimension(50, 50));
+		panel_buttons.add(panel, BorderLayout.NORTH);
+		panel.setLayout(new BorderLayout(0, 0));
+		
+
+		JLabel lblNewLabel = new JLabel("");
+		lblNewLabel.addMouseListener(new MouseAdapter() {
+			@Override
+			public void mouseClicked(MouseEvent e) {
+				panel_side.setVisible(false);
+			}
+		});
+		lblNewLabel.setPreferredSize(new Dimension(50, 50));
+		lblNewLabel.setAlignmentX(Component.CENTER_ALIGNMENT);
+		lblNewLabel.setHorizontalTextPosition(SwingConstants.CENTER);
+		lblNewLabel.setHorizontalAlignment(SwingConstants.CENTER);
+		ImageIcon imageIcon = new ImageIcon(new ImageIcon("C:\\Users\\Elmar\\Pictures\\exit.png").getImage().getScaledInstance(40, 40, Image.SCALE_DEFAULT));
+		lblNewLabel.setIcon(imageIcon);
+		panel.add(lblNewLabel, BorderLayout.CENTER);
+		
+		JPanel panel_main = new JPanel();
+		panel_main.setPreferredSize(new Dimension(600, 600));
+		frame.getContentPane().add(panel_main, BorderLayout.CENTER);
+	}
+
+}