speak Methode angepasst

Roboter/tpe/exceptions/roboter/C3PO.java

@@ -25,20 +25,7 @@ public class C3PO extends Robots{
 		
 	}
 
-	@Override
-	public String speak(int[] zahlen) throws RobotException {
  		
-		for (int i = 0; i < zahlen.length; i++) {
-			  sb.append(zahlen[i]);
-			  if (i < zahlen.length - 1) {
-			    sb.append("; ");
-			  }
-			}
-
-			String output = sb.toString();
-			return output;
-		 		
-	}
 
 	@Override
 	public int[] think(int[] zahlen) throws RobotIllegalStateException, RobotMagicValueException {

Roboter/tpe/exceptions/roboter/R2D2.java

@@ -25,20 +25,7 @@ public class R2D2 extends Robots {
 		return id;
 	}
 	
-	@Override
-	public String speak(int[] zahlen) throws RobotException {
 
-		for (int i = 0; i < zahlen.length; i++) {
-			  sb.append(zahlen[i]);
-			  if (i < zahlen.length - 1) {
-			    sb.append(", ");
-			  }
-			}
-
-			String output = sb.toString();
-			return output;
-		
-	}
 	
 	
 	@Override

Roboter/tpe/exceptions/roboter/Robots.java

@@ -1,5 +1,8 @@
 package tpe.exceptions.roboter;
 
+import java.util.Arrays;
+import java.util.stream.Collectors;
+
 import tpe.exceptions.RobotException;
 import tpe.exceptions.RobotIllegalStateException;
 import tpe.exceptions.RobotMagicValueException;
@@ -48,6 +51,7 @@ public abstract class Robots implements Robot{
 	}
 	
 	public String speak(int[] zahlen) throws RobotException {
+		
 		if(powerStatus==false)
 		{
 			throw new RobotIllegalStateException("Der Roboter ist ausgeschaltet!", this.getName());
@@ -55,9 +59,21 @@ public abstract class Robots implements Robot{
 		else if(checkRobotMagicValueException(zahlen)==true)
 		{
 			throw new RobotMagicValueException("Zahl 42 kann nicht verarbeitet werden!",this.getName());
+		}else
+		if(zahlen[0]<zahlen[zahlen.length-1])
+		{
+			  return Arrays.stream(zahlen)
+					    .mapToObj(String::valueOf)
+					    .collect(Collectors.joining(", "));
+		}
+		else
+		{
+			 return Arrays.stream(zahlen)
+					    .mapToObj(String::valueOf)
+					    .collect(Collectors.joining("; "));
 		}
 		
-		return null;
+		
 	}
 	@Override
 	public abstract int[] think(int[] zahlen) throws RobotException;