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Feb 20th, 2017
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  1. public class Ampel {
  2. public static String farbe = "gelbRot";
  3.  
  4. public static void main(String[] args){
  5. while(true){
  6. if(farbe == "grün"){
  7. farbe = "gelb";
  8. } else if(farbe == "gelb"){
  9. farbe = "rot";
  10. } else if (farbe == "rot"){
  11. farbe = "gelbRot";
  12. } else if(farbe == "gelbRot"){
  13. farbe = "grün";
  14. }
  15. System.out.println(farbe);
  16. try {
  17. Thread.sleep(5000);
  18. } catch (InterruptedException e) {
  19. // TODO Auto-generated catch block
  20. e.printStackTrace();
  21. }
  22. }
  23. }
  24.  
  25.  
  26. }
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