Java Example to subtract two integer using betwise operator

Java Example to subtract two integer using Bitwise operator

In this article, we will discuss the concept of the Java Example to subtract two integer using Bitwise operator

In this post, we are going to learn how to  write a program to find the subtraction of two numbers using Bitwise operator in Java programming language

Code to find the subtraction of  two numbers 

Subtract two integer using Bitwise operator

The program allow the user to enter two integers and then calculates subtraction of given  numbers using  Bitwise operator

Program 1

//subtract two integer numbers using bitwise in Java
import java.util.*;
public class SubtractNumBitwise{
public static void main(String args[]){
    int x,y;
    Scanner sc=new Scanner(System.in);
    //scanner class for input
System.out.println("Please Enter the first integer number ");
int num1=sc.nextInt();
System.out.println("Please Enter the second integer number ");
int num2=sc.nextInt();
//ask input from the user and store the input value to variables
x=num1;//Assign the value of num1 to variable x
y=num2;//Assign the value of num2 to variable y
while(num2!=0){
//Calculate the subtraction using while loop
    int brw =(~num1)&num2;
    num1=num1^num2;
    num2=brw<<1;
}
System.out.println("Subtraction of two numbers "+x+" and "+y+" is: "+num1);
//display result on the screen
}
}

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

Case 1

Please Enter the first integer number
250
Please Enter the second integer number
120
Subtraction of two numbers 250 and 120 is: 130

Case 2

Please Enter the first integer number
250
Please Enter the second integer number
500
Subtraction of two numbers 250 and 500 is: -250

Subtract two integer using Bitwise operator with function

Program 2

The program allow the user to enter two integers and then calculates subtraction of given  numbers using  Bitwise operator

//subtract two integer numbers using bitwise in Java
import java.util.*;
public class SubtractNumBitwiseMethod{
public static void main(String args[]){
    int x,y;
    Scanner sc=new Scanner(System.in);
    //scanner class for input
System.out.println("Please Enter the first integer number ");
int num1=sc.nextInt();
System.out.println("Please Enter the second integer number ");
int num2=sc.nextInt();
x=num1;//Assign the value of num1 to variable x
y=num2;//Assign the value of num2 to variable y
subNum(num1,num2);//calling the function
}
static void subNum(int num1,int num2){
//method definition
while(num2!=0){
    int brw =(~num1)&num2;
    num1=num1^num2;
    num2=brw<<1;
    
}
System.out.println("Subtraction of two numbers is: "+num1);
//display result on the screen
}
}

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

Case 1

Please Enter the first integer number
2000
Please Enter the second integer number
1300
Subtraction of two numbers is: 700

Case 2

Please Enter the first integer number
1300
Please Enter the second integer number
2000
Subtraction of two numbers is: -700

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