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# BigInteger abs() Method in Java

• Last Updated : 20 May, 2019

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:

 `// Below program illustrates the abs() method ` `// of BigInteger  ` ` `  `import` `java.math.*; ` ` `  `public` `class` `GFG { ` ` `  `public` `static` `void` `main(String[] args) { ` ` `  `        ``// Create BigInteger object ` `        ``BigInteger biginteger=``new` `BigInteger(``"-2300"``); ` `         `  `        ``// abs() method on bigInteger to find the absolute value ` `        ``// of a BigInteger ` `        ``BigInteger absolutevalue= biginteger.abs(); ` `             `  `        ``// Define result ` `        ``String result =``"BigInteger "``+biginteger+ ` `            ``" and Absolute value is "``+absolutevalue; ` `        ``// Print result  ` `        ``System.out.println(result); ` `     `  `    ``} ` `} `

Output:

```BigInteger -2300 and Absolute value is 2300
```
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