BigInteger not() Method in Java

The java.math.BigInteger.not() method is used to find the bitwise-NOT of a BigInteger. This method returns a negative value if and only if this BigInteger is non-negative. The BigInteger.not() method apply bitwise Not operation upon the current bigInteger.

Syntax:

public BigInteger not()

Parameters: The method does not take any parameters.



Return Value: The method returns the bitwise-NOT value of a BigInteger with which it is used.

Examples:

Input: value = 2300
Output: -2301
Explanation:
Binary of 2300 = 100011111100
NOT of 100011111100 in signed 2's complement is 1111011100000011
Decimal value = -2301.

Input: value = 567689 
Output: -567690

Below program illustrate the not() method of BigInteger():

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/*
*Program Demonstrate not() method of BigInteger 
*/
import java.math.*;
  
public class GFG {
  
    public static void main(String[] args)
    {
  
        // Creates  BigInteger object
        BigInteger biginteger = new BigInteger("2300");
  
        // Call not() method to find ~this
        BigInteger finalvalue = biginteger.not();
        String result = "Result of NOT operation on "
        biginteger + " is " + finalvalue;
  
        // Print result
        System.out.println(result);
    }
}

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Output:

Result of NOT operation on 2300 is -2301

Reference:https://docs.oracle.com/javase/7/docs/api/java/math/BigInteger.html#and(java.math.BigInteger)



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