Implementation poll

SimplePriorityQueue/src/testat_g11/SimplePriorityQueue.java

@@ -49,8 +49,22 @@ public class SimplePriorityQueue<T extends Ticket> implements IPriorityQueue<T>
 	// Methode incrementAge() erhöht (Siehe Ticket im Paket testat_g11)
 	@Override
 	public T poll() {
-		// TODO Auto-generated method stub
-		return null;
+		if (size == 0) {
+			return null;
+		}
+		T tick = tickets[0];
+
+		for (int i = 1; i < size; i++) {
+			if (prioDet.calculate(tickets[i]) > prioDet.calculate(tick)) {
+				tick.incrementAge();
+				tick = tickets[i];
+			} else {
+				tickets[i].incrementAge();
+			}
+		}
+
+		remove(tick);
+		return tick;
 	}
 
 	// True: Ticket t ist enthalten, false sonst