Square Root Example Java Program

Definition

A square root of a number a is a number y such that y2 = a, in other words, a number y whose square (the result of multiplying the number by itself, or y * y) is a. For example, 4 and ?4 are square roots of 16 because 4^2 = (?4)^2 = 16.

Syntax

Data_type Variable_name = Math.sqrt(number);

Square Root Example Program

import java.util.Scanner;
public class SquareRoot{
    public static void main(String[] args){
        Scanner in=new Scanner(System.in);
		System.out.print("Enter the number for which Square root is to be found: ");
        double num =in.nextInt();
        double squareRoot = Math.sqrt(num);
        System.out.println("Square Root is: "+squareRoot);
    }
 
}

Sample Output

Output is
Enter the number for which Square root is to be found: 2
Square Root is: 1.4142135623730951

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