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BigInteger abs() Method in Java

Last Updated : 11 Jul, 2025
prerequisite : BigInteger Basics The java.math.BigInteger.abs() method returns absolute value of a BigInteger. By using this method one can find absolute value of any large size of numerical data stored as BigInteger. Syntax: 
public BigInteger abs()
Parameters: The method does not take any parameters. Return Value: The method returns the absolute value of a BigInteger. Examples: 
Input: -2300 
Output: 2300
Explanation:
Applying mathematical abs() operation on 
-2300, positive 2300 is obtained i.e |-2300| = 2300. 

Input: -5482549 
Output: 5482549
Below program illustrates abs() method of BigInteger:
Output: 
BigInteger -2300 and Absolute value is 2300
Reference: https://docs.oracle.com/javase/7/docs/api/java/math/BigInteger.html#abs()
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