test using rand numbers

Maths/FindMinRecursion.java

@@ -1,13 +1,27 @@
 package Maths;
 
-public class FindMinRecursion {
-    public static void main(String[] args) {
-        int[] array = {2, 4, 9, -7, 19, 94, 5};
-        int low = 0;
-        int high = array.length - 1;
+import java.util.Arrays;
+import java.util.Random;
 
-        assert min(array, low, high) == -7;
-        assert min(array, array.length) == -7;
+public class FindMinRecursion {
+
+    /**
+     * Driver Code
+     */
+    public static void main(String[] args) {
+        Random rand = new Random();
+
+        /* rand size */
+        int size = rand.nextInt(100) + 1;
+        int[] array = new int[size];
+
+        /* init array with rand numbers */
+        for (int i = 0; i < size; i++) {
+            array[i] = rand.nextInt() % 100;
+        }
+
+        assert min(array, 0, array.length - 1) == Arrays.stream(array).min().getAsInt();
+        assert min(array, array.length) == Arrays.stream(array).min().getAsInt();
     }
 
     /**