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Text lesson

sqrt()

Example

Provide the square root values for various numbers.

System.out.println(Math.sqrt(0));
System.out.println(Math.sqrt(1));
System.out.println(Math.sqrt(9));
System.out.println(Math.sqrt(0.64));
System.out.println(Math.sqrt(-9));

Definition and Usage

The sqrt() method calculates the square root of a given number.

Syntax

public static double sqrt(double number)

Parameter Values

Parameter	Description
number	“Necessary. A number for which the square root needs to be calculated.”

Technical Details

Returns:	“A double value indicating the square root of a number. If the number is less than 0, it returns NaN.”
Java Version:	Any