Java program to multiply of two numbers without using arithmetic operator

Java program to multiply of two numbers without using arithmetic operator

problem – Java program to multiply two numbers without using arithmetic operator

 

In this tutorial, we will discuss the concept of multiplying two numbers without using the arithmetic operator in Java language. 

In this post, we will learn how to get the product of two numbers without arithmetic operator in Java programming language

 

Java program to find the product of two numbers

Using for loop – Program 1

This program is used to find the multiplication of two numbers entered by the user – using for loop without arithmetic operator

import java.util.Scanner;
class ProductNumWithOutope1{
public static void main(String args[]){
int product=0;
    Scanner scan=new Scanner(System.in); //create a scanner object for input
System.out.print("Enter the first number: ");
int n1=scan.nextInt();//get input from the user for num1
System.out.print("Enter the second number: ");
int n2=scan.nextInt();//get input from the user for num2

for(int i=0; i<n2; i++){
    product=add(product,n1);
}
System.out.print("product of"+n1+"and"+n2+" is: "+product);
}

static int add(int num1,int num2){
for(int i=0; i<num2; i++)
   num1++;
return num1;
}
}

When the above code is executed, it produces the following results

Enter the first number: 30
Enter the second number: 25
Product of 30 and 25 is : 750

 

Using while loop – Program 2

This program is used to find the multiplication of two numbers entered by the user – using while loop without arithmetic operator

import java.util.Scanner;
class ProductNumWithOutope{
public static void main(String args[]){
int product=0;
    Scanner scan=new Scanner(System.in); //create a scanner object for input
System.out.print("Enter the first number: ");
int n1=scan.nextInt();//get input from the user for num1
System.out.print("Enter the second number: ");
int n2=scan.nextInt();//get input from the user for num2

for(int i=0; i<n2; i++){
    product=add(product,n1);
}
System.out.print("product of "+n1+" and "+n2+" is:  "+product);
}

static int add(int num1,int num2){
while(num2 != 0){
int num3=(num1 & num2);
num1=num1^num2;
num2=num3<<1;

}
return num1;

}
}

When the above code is executed, it produces the following results

Enter the first number: 20
Enter the second number: 25
Product of 20 and 25 is : 500

 

Similar program

Java program to Multiply two numbers

C program to multiply two numbers without using arithmetic operator

C++ program to multiply two numbers without using arithmetic operator

Python program to multiply two numbers without using arithmetic operator

 

Suggested for you

for loop in Java language

while loop in Java language

The method in  Java language

Datatype and variable in Java language