diff --git a/02/src/de/dis2017/data/Apartment.java b/02/src/de/dis2017/data/Apartment.java
index a9058d0..8b5e336 100644
--- a/02/src/de/dis2017/data/Apartment.java
+++ b/02/src/de/dis2017/data/Apartment.java
@@ -1,11 +1,11 @@
 package de.dis2017.data;
 
 public class Apartment extends Estate{
-	int floor;
-	int rent;
-	int rooms;
-	boolean balcony;
-	boolean builtinKitchen;
+	private int floor;
+	private int rent;
+	private int rooms;
+	private boolean balcony;
+	private boolean builtinKitchen;
 	
 	public int getFloor() {
 		return floor;
diff --git a/02/src/de/dis2017/data/House.java b/02/src/de/dis2017/data/House.java
index 0636840..5769e47 100644
--- a/02/src/de/dis2017/data/House.java
+++ b/02/src/de/dis2017/data/House.java
@@ -1,9 +1,9 @@
 package de.dis2017.data;
 
 public class House extends Estate {
-	int floors;
-	int price;
-	boolean garden;
+	private int floors;
+	private int price;
+	private boolean garden;
 	
 	public int getFloors() {
 		return floors;