-
Notifications
You must be signed in to change notification settings - Fork 0
/
Factorial.java
40 lines (33 loc) · 1020 Bytes
/
Factorial.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
package BasicJavaProblems;
public class Factorial {
static int withMultOperator(int n) {
System.out.println("With using Multiplication operator");
int sum = 1;
for (int i = 2; i <= n; i++)
sum *= i;
return sum;
}
static int withOutMultOperator(int n) {
System.out.println("Without using Multiplication operator");
int temp = n;
for (int i = n - 1; i > 0; i--) {
int sum = 0;
for (int j = 0; j < i; j++)
sum += temp;
// System.out.println(sum+" "+i);
temp = sum;
}
return temp;
}
static int recurivefact(int n){
if(n==1)
return 1;
return n*recurivefact(n-1);
}
public static void main(String[] args) {
System.out.println(withMultOperator(5));
System.out.println(withOutMultOperator(5));
System.out.println("Recurive operation");
System.out.println(recurivefact(5));
}
}