diff --git a/Assignement12/bin/HistogramDataDisplay.class b/Assignement12/bin/HistogramDataDisplay.class
index 66578d3..73a9c70 100644
Binary files a/Assignement12/bin/HistogramDataDisplay.class and b/Assignement12/bin/HistogramDataDisplay.class differ
diff --git a/Assignement12/src/HistogramDataDisplay.java b/Assignement12/src/HistogramDataDisplay.java
index 7bfabff..1e7b8b3 100644
--- a/Assignement12/src/HistogramDataDisplay.java
+++ b/Assignement12/src/HistogramDataDisplay.java
@@ -1,5 +1,3 @@
-import java.util.Arrays;
-
 public class HistogramDataDisplay extends DataDisplay {
 
 	public HistogramDataDisplay(String name, Data subject) {
@@ -10,14 +8,25 @@ public class HistogramDataDisplay extends DataDisplay {
 	public void update() {
 		System.out.println(getClass() + ": " + name);
 		int[] sortedArray = super.getContent();
-		Arrays.sort(sortedArray);
+		boolean isSorted = false;
+		while (!isSorted) {
+			isSorted = true;
+			for (int i = 0; i < sortedArray.length - 1; i++) {
+				if (sortedArray[i] > sortedArray[i + 1]) {
+					int temp = sortedArray[i];
+					sortedArray[i] = sortedArray[i + 1];
+					sortedArray[i + 1] = temp;
+					isSorted = false;
+				}
+			}
+		}
 		int lastVal = -1;
 		for (int i : sortedArray) {
 			if (i == lastVal)
 				System.out.print("*");
 			else {
-				System.out.format("%s%d\t*",(lastVal==-1)?"":"\n", i);
-				lastVal=i;
+				System.out.format("%s%d\t*", (lastVal == -1) ? "" : "\n", i);
+				lastVal = i;
 			}
 		}
 		System.out.println();