Java BigInteger sqrt() method

The sqrt() method of Java BigInteger class is used to find the square root of a BigInteger value.

Syntax:

Parameter:

NA

Returns:

This method returns the integer square root of this BigInteger value.

Exception:

ArithmeticException - This exception will throw if this BigInteger is negative.

Example 1

Output:

Square root of BigInteger 625 is 25

Example 2

Output:

Square root of BigInteger 1000 is 31

Example 3

Output:

Exception in thread "main" java.lang.ArithmeticException: Negative BigInteger
	at java.base/java.math.BigInteger.sqrt(Unknown Source)
	at BigIntegerSqrtExample3.main(BigIntegerSqrtExample3.java:9)