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Get square root of a number using Math.sqrt in Java
In order to get the square root of a number in Java, we use the java.lang.Math.pow() method. The Math.pow(double a) method accepts one argument of the double data type and returns a value which is the square root of the argument.
Declaration − The java.lang.Math.sqrt() method is declared as follows −
public static double sqrt(double a)
where a is the number whose square root is to be found.
Let us see a program where we find the square root of number using the Math.sqrt() method.
Example
import java.lang.Math; public class Example { public static void main(String[] args) { // declaring and initializing some double values double x = 25; double y = 81; // computing the square roots System.out.println("The square root of "+ x + " is "+ Math.sqrt(x)); System.out.println("The square root of "+ y + " is "+ Math.sqrt(y)); } }
Output
The square root of 25.0 is 5.0 The square root of 81.0 is 9.0
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