compute factorial

Atousa · Apr 21, 2021 · f6421b1 · f6421b1
1 parent 3360ca5
commit f6421b1
Showing 1 changed file with 20 additions and 0 deletions.
diff --git a/Recursion/Factorial.java b/Recursion/Factorial.java
@@ -0,0 +1,20 @@
+public class Factorial {
+    public static int factorialRec(int n) {
+        if(n == 0) return 1;
+        if(n == 1) return 1;
+        return n * factorialRec(n-1);
+    }
+
+    public static int factorialIte(int n) {
+        int result = 1;
+        for(int i = 1; i <= n; i++)
+            result =result * i ;
+        return result;
+    }
+
+
+    public static void main(String[] args) {
+        System.out.println(factorialRec(4));
+        System.out.println(factorialIte(4));
+    }
+}