This is a Java Program to Multiply given Number by 4 using Bitwise Operators.

Enter the number you wish to multiply as input. After that we use left shift by 2 to multiply given input by four and hence get the output.

Here is the source code of the Java Program to Multiply given Number by 4 using Bitwise Operators. The Java program is successfully compiled and run on a Windows system. The program output is also shown below.

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import java.util.Scanner;

public class Multiply_Bitwise

`{`

public static void main(String[] args)

`{`

int n;

Scanner s = new Scanner(System.in);

System.out.print("Enter the number:");

n = s.nextInt();

int mul = n << 2;

System.out.println("Answer:"+mul);

`}`

`}`

Output:

$ javac Multiply_Bitwise.java $ java Multiply_Bitwise Enter the number:5 Answer:20

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