Last Updated : 11 Jul, 2025
Prerequisite: BigInteger Basics The java.math.BigInteger.negate() method returns a BigInteger whose value is (- this). negate() method will change the signed bit of BigInteger. Syntax:
public BigInteger negate()
Parameters: The method does not accept any parameter. Return Value: The method returns the operation of (- this). Examples:
Input: value = 2300 Output: -2300 Explanation: Binary signed 2's complement of 2300 = 0000100011111100 Signed bit are 0000 change sign bit to 1111 so negate of 0000100011111100 in signed 2's complement is 1111011100000100 Decimal value = -2300. Input: value = 567689 Output: -567689
Below program illustrates negate() method of BigInteger.
Java
/*
*Program Demonstrate negate() method of BigInteger
*/
import java.math.*;
public class GFG {
public static void main(String[] args)
{
// Create BigInteger object
BigInteger biginteger = new BigInteger("2300");
// Call negate() method to find -this
BigInteger finalvalue = biginteger.negate();
String result = "Result of negate operation on " +
biginteger + " is " + finalvalue;
// Prints result
System.out.println(result);
}
}
Output:
Result of negate operation on 2300 is -2300
Reference: https://docs.oracle.com/javase/7/docs/api/java/math/BigInteger.html#negate()
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