Java Math.sqrt() method

Last Updated : 17 Mar 2025

The java.lang.Math.sqrt() is used to return the square root of a number.

Syntax

Parameter

Return

• If the argument is positive double value, this method will return the square root of a given value.
• If the argument is NaN or less than zero, this method will return NaN.
• If the argument is positive infinity, this method will return positive Infinity.
• If the argument is positive or negative Zero, this method will return the result as Zero with same sign.

Example 1

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Example 2

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Example 3

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Example 4

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Example 5

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