Creating a simple frame

schach/src/main/java/de/hs_mannheim/informatik/chess/gui/Gui.java

@@ -1,5 +1,20 @@
 package de.hs_mannheim.informatik.chess.gui;
 
-public class Gui {
+import javax.swing.JFrame;
 
+public class Gui {
+	
+	public Gui(){
+		mainFrame();
+	}
+	
+	public JFrame mainFrame() {
+		JFrame frame = new JFrame();
+		frame.setSize(1600, 1000);
+		frame.setLocationRelativeTo(null);
+		
+		frame.setDefaultCloseOperation(2);
+		frame.setVisible(true);
+		return frame;
+	}
 }

schach/src/main/java/de/hs_mannheim/informatik/chess/main/Main.java

@@ -1,13 +1,9 @@
 package de.hs_mannheim.informatik.chess.main;
+import de.hs_mannheim.informatik.chess.gui.Gui;
 
-/**
- * Hello world!
- *
- */
-public class Main
-{
-    public static void main( String[] args )
-    {
-        System.out.println( "Hello World!" );
+public class Main{
+	
+    public static void main( String[] args ){
+    	new Gui();
     }
 }