import javax.swing.*;
import java.awt.*;

public class GUI
{
   private JFrame fenster = new JFrame();

   public GUI() {
    fenster.setSize(600, 400);
    fenster.setLocation(400, 400);
    fenster.getContentPane().setBackground(Color.white);
    fenster.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    fenster.setVisible(true);
    fenster.setTitle("Paul ist dumm");
   }

   public void setzeGröße(int a, int b){
    fenster.setSize(a,b);
   }

   public void setBackground(Color color) {
    fenster.getContentPane().setBackground(color);
   }

   /*public void setHexBackground(String hexValue) {
       Color color = new Color.decode(hexValue);
       fenster.getContentPane().setBackground(color);
   }*/

   /*public void setStringBackground(String color) {
       Color color = new Color();
       switch (color) {
            case "black":
                color = Color.black;
                break;
            case "red":
                color = Color.red;
                break;
            case "green":
                color = Color.green;
                break;
            default:
                color = Color.white;
                break;
       }
       fenster.getContentPane().setBackground(color);
   }*/

   //public void setzeBackground(char name){
   // if ("black".equals(name)) {
   // fenster.getContentPane().setBackground(Color.black);}
   // if ("white".equals(name)) {
   // fenster.getContentPane().setBackground(Color.white);}
   // if ("blue".equals(name)) {
    //fenster.getContentPane().setBackground(Color.blue);}
    //if ("red".equals(name)) {
    //fenster.getContentPane().setBackground(Color.red);}
   //}
}