diff --git a/app/src/main/java/ch/nuth/zhaw/exbox/SortServer.java b/app/src/main/java/ch/nuth/zhaw/exbox/SortServer.java
index 0a825fd..ffbd647 100644
--- a/app/src/main/java/ch/nuth/zhaw/exbox/SortServer.java
+++ b/app/src/main/java/ch/nuth/zhaw/exbox/SortServer.java
@@ -16,7 +16,7 @@ public class SortServer implements CommandExecutor {
         a[j] = h;
     }
 
-    private void bubbleSort(int[] a) {
+    public void bubbleSort(int[] a) {
         for (int max = a.length - 1; max >= 0; max--) {
             boolean isSorted = true;
 
@@ -33,7 +33,7 @@ public class SortServer implements CommandExecutor {
         }
     }
 
-    private void insertionSort(int[] a) {
+    public void insertionSort(int[] a) {
         insertionSort(a, 0, a.length - 1);
     }
 
@@ -50,7 +50,7 @@ public class SortServer implements CommandExecutor {
         }
     }
 
-    private void selectionSort(int[] a) {
+    public void selectionSort(int[] a) {
         // TODO Implement Aufgabe 3
         for (int i = 0; i < a.length; i++) {
             int minIndex = i;
@@ -131,7 +131,7 @@ public class SortServer implements CommandExecutor {
     // consumer sorts the data
     // return elapsed time in ms
     // if data is not sorted an exception is thrown
-    private double measureTime(Supplier<int[]> generator, Consumer<int[]> sorter) throws Exception {
+    public double measureTime(Supplier<int[]> generator, Consumer<int[]> sorter) throws Exception {
         double elapsed = 0;
 
         int[] a = generator.get();