Question

How to find square root of a number using Math.sqrt() method in Java

Answer 1

package javaapplication1;

public class JavaApplication1 {

    public static void main(String[] args) {

        System.out.println(Math.sqrt(9));
        System.out.println(Math.sqrt(-9));
        System.out.println(Math.sqrt(81));
        System.out.println(Math.sqrt(25));
        System.out.println(Math.sqrt(9.9));
    }
}
   
/*
      
run:

3.0
NaN
9.0
5.0
3.146426544510455
  
*/

 

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