Bubblesort

.gitignore

@@ -1,4 +1,3 @@
-*/.idea/
 .idea
 *.iml
 *.class

primes/rust/src/main.rs

@@ -35,7 +35,7 @@ fn primes(max: u32) -> Vec<u32> {
                 break;
             }
         }
-        i += 1;
+        i += 1
     }
 
     primes_list

sort/java/src/Sort.java

@@ -0,0 +1,64 @@
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Random;
+
+public class Sort {
+    public static void main(String[] args) {
+
+        for (int i = 1; i < 6; i++) {
+            List<Long> times = new ArrayList<>();
+            int size = (int) Math.pow(10, i);
+            for (int j = 0; j < 10; j++) {
+                int[] arr = getRandomArray(size);
+                long startTime = System.currentTimeMillis();
+                bubbleSort(arr);
+                long totalTime = System.currentTimeMillis() - startTime;
+                times.add(totalTime);
+            }
+
+            double average = times.stream()
+                    .mapToLong(l -> l)
+                    .average()
+                    .getAsDouble();
+
+            System.out.printf("Average time after 10 times for array size %d : %.2fms%n", size, average);
+
+        }
+    }
+
+    public static int[] getRandomArray(int size) {
+        int[] arr = new int[size];
+        Random r = new Random();
+        for (int i = 0; i < size; i++) {
+            arr[i] = r.nextInt();
+        }
+        return arr;
+    }
+
+    public static int[] bubbleSort(int[] arr) {
+        for (boolean isSorted = false; !isSorted;){
+            isSorted = true;
+            for (int i = 0; i < arr.length - 1; i++) {
+                if (arr[i] > arr[i + 1]) {
+                    isSorted = false;
+                    int temp = arr[i + 1];
+                    arr[i + 1] = arr[i];
+                    arr[i] = temp;
+                }
+            }
+
+        }
+        return arr;
+    }
+
+    /**
+     * Sorts an already sorted array
+     * @param arr The sorted array
+     * @return A sorted array
+     */
+    public static int[] quickSortAlreadySorted(int[] arr) {
+        return arr;
+    }
+}
+