Add bubble sort and selection sort, shorter versions

Sorting Algorithm/BubbleSortShort.java

@@ -0,0 +1,17 @@
+public class BubbleSortShort{
+
+    public static void swap (int [] arr, int i, int j){
+        int temp = arr[i];
+        arr[i] = arr[j];
+        arr[j] = temp;
+    }
+
+    public static void bubbleSort(int[] arr){
+        for (int i = 0; i < arr.length; i++){
+            if (arr[i] > arr[i+1]){
+                swap(arr, i, i+1);
+                i = 0;
+            }
+        }
+    }
+}

Sorting Algorithm/SelectionSortShort.java

@@ -0,0 +1,19 @@
+public class SelectionSortShort{
+
+    public static void swap (int [] arr, int i, int j){
+        int temp = arr[i];
+        arr[i] = arr[j];
+        arr[j] = temp;
+    }
+
+    public static void selectionSort(int [] arr){
+        int lowestPos = 0;
+        for (int i = 0; i < arr.length; i++){
+            for (int j = i; j < arr.length; j++){
+                if (arr[lowestPos] > arr[j]) lowestPos = j;
+            swap (arr, lowestPos, i);
+            lowestPos = i+1;
+            }
+        }
+    }
+}