Create 7. Factorial

Week 2: Methods, strings and lists/7. Factorial

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+Example function calls:
+public static void main(String[] args) {
+    System.out.println(factorial(3));
+    int f = factorial(4);
+    System.out.println(f);
+}
+
+Program outputs:
+6
+24
+
+
+
+
+
+
+
+import java.util.Random;
+
+public class Test{
+    public static void main(String[] args){
+        final Random r = new Random();
+        
+        int[] p = {2,3,4,6,1};
+        for (int pa : p) {
+            System.out.println("Testing with parameter value " + pa);
+            System.out.println("Factorial: " + factorial(pa));
+            System.out.println("");
+        }
+        
+    }
+
+
+    public static int factorial(int pa) {
+        int fact = 1;
+
+        for (int i=1; i<=pa; i++) {
+          fact *= i;
+        }
+        return fact;
+    }
+
+
+
+
+
+
+
+}
+
+
+
+
+
+
+
+Testing with parameter value 2
+Factorial: 2
+
+Testing with parameter value 3
+Factorial: 6
+
+Testing with parameter value 4
+Factorial: 24
+
+Testing with parameter value 6
+Factorial: 720
+
+Testing with parameter value 1
+Factorial: 1
+
+