Decode School Karpagam Tech

Java Program to multiply two numbers without using * operator

Get two inputs num1 and num2, compute the product of num1 and num2 without using * operator

Sample Input 1:

5 6

Sample Output 1:

30

Try your Solution

Strongly recommended to Solve it on your own, Don't directly go to the solution given below.

public class Hello { public static void main(String args[]) { //Write your code here } }

Program or Solution

				
				
					
import java.util.*;
class MulTab
 {
     public static void main(String args[])
     {
          int ans=0,i,num,numberoftimes;
          System.out.println("Enter The Number Of Times And Table value");
          Scanner sc=new Scanner(System.in);
          num=sc.nextInt();
          numberoftimes=sc.nextInt();
          for(i=1;i<=numberoftimes;i++)
            {
			ans+=num;
            }
		System.out.println(ans);
      }
}

Program Explanation

1. Get num and numberoftimes

2. Here the logic is add num to ans for numberoftimes

    Example

    3 * 4 =12

    3 + 3 + 3 + 3 =12 (adding 3 for 4 times)

    for(i=1;i<=numberoftimes;i++)

3. i is initialized to 1 and incremented by 1. iteration stops when i is greater than               numberoftimes.


4. in each iteration num is added to the ans. ans is initially 0.


5. finally print ans.

Comments

Related Programs