init GameWindow

.gitignore

@@ -23,3 +23,25 @@
 # virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
 hs_err_pid*
 
+
+### Maven ###
+target/
+pom.xml.tag
+pom.xml.releaseBackup
+pom.xml.versionsBackup
+pom.xml.next
+release.properties
+dependency-reduced-pom.xml
+buildNumber.properties
+.mvn/timing.properties
+# https://github.com/takari/maven-wrapper#usage-without-binary-jar
+.mvn/wrapper/maven-wrapper.jar
+
+# Eclipse m2e generated files
+# Eclipse Core
+.project
+# JDT-specific (Eclipse Java Development Tools)
+.classpath
+
+# End of https://www.toptal.com/developers/gitignore/api/maven
+

src/main/java/hauptmenue/GameWindow.java

@@ -0,0 +1,27 @@
+package hauptmenue;
+
+import java.awt.Dimension;
+
+import javax.swing.JFrame;
+
+import solitaer.SolitaerGamePanel;
+
+public class GameWindow extends JFrame {
+
+	/**
+	 * 
+	 */
+	private static final long serialVersionUID = 1L;
+	private final SolitaerGamePanel gamePanel = new SolitaerGamePanel();
+
+	public GameWindow() {
+		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		gamePanel.setPreferredSize(new Dimension(1180, 780));
+		
+		add(gamePanel);
+		pack();
+		
+		setVisible(true);
+	}
+
+}

src/main/java/hauptmenue/main.java

@@ -0,0 +1,10 @@
+package hauptmenue;
+
+public class main {
+
+	public static void main(String[] args) {
+		// TODO Auto-generated method stub
+		new GameWindow();
+	}
+
+}

src/main/java/solitaer/SolitaerGamePanel.java

@@ -0,0 +1,28 @@
+package solitaer;
+
+import java.awt.Color;
+import java.awt.Graphics;
+
+import javax.swing.JPanel;
+
+public class SolitaerGamePanel extends JPanel {
+
+	/**
+	 * 
+	 */
+	private static final long serialVersionUID = 1L;
+
+	
+	public SolitaerGamePanel() {
+		setLayout(null);
+	}
+	
+	
+	@Override
+	protected void paintComponent(Graphics g) {
+		// TODO Auto-generated method stub
+		super.paintComponent(g);
+		g.setColor(Color.green);
+		g.fillRect(0, 0, this.getWidth(), this.getHeight());
+	}
+}