diff --git a/ws2012/P2P/uebungen/4/src/RandomGenerator.java b/ws2012/P2P/uebungen/4/src/RandomGenerator.java
index 9ef7119d..54fe1cb2 100644
--- a/ws2012/P2P/uebungen/4/src/RandomGenerator.java
+++ b/ws2012/P2P/uebungen/4/src/RandomGenerator.java
@@ -2,6 +2,7 @@ import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.InputStreamReader;
 import java.util.ArrayList;
+import java.util.List;
 import java.util.Random;
 import java.util.logging.LogManager;
 
@@ -13,7 +14,7 @@ public class RandomGenerator {
 	public static double initDeathRate = 0.20;
 	public static int initRounds = 10;
 
-	public static ArrayList<Node> nodes = new ArrayList<Node>();
+	public static List<Node> nodes = new ArrayList<Node>();
 	public static Random gen = new Random();
 
 	/**
@@ -25,9 +26,7 @@ public class RandomGenerator {
 		System.setProperty("java.util.logging.config.file",
 				"logging.properties");
 
-		for (int i = 0; i < initNodeCount; i++) {
-			nodes.add(new Node());
-		}
+		add(initNodeCount);
 
 		try {
 			LogManager.getLogManager().readConfiguration();