java math square root code example

Example 1: math square java

int i = 2;
int square = Math.pow(i, 2);

Example 2: math sqrt java

import java.lang.Math;

double x = Math.sqrt(9);

Example 3: square root of a number in java

Scanner in=new Scanner(System.in);
int num=in.nextInt();
System.out.println(Math.sqrt(num)); // the sqrt function gives a value in 'double' data type.