Java sqrt () method

Java Number classes

sqrt () method returns the square root of the argument.

grammar

double sqrt(double d)

parameter

• d - any native data types.

return value

Returns the square root of the argument.

Examples

public class Test{ 
	public static void main(String args[]){
		double x = 11.635;
		double y = 2.76;

		System.out.printf("e 的值为 %.4f%n", Math.E);
		System.out.printf("sqrt(%.3f) 为 %.3f%n", x, Math.sqrt(x));
	}
}

Compile the above program, the output is:

e 的值为 2.7183
sqrt(11.635) 为 3.411

Java Number classes