URI Problem 1036 Solution in Java

Problem Details Link

Solution:

import java.util.Scanner;

import java.util.Scanner;

/**
 * @Author : Muhammad Harun-Or-Roshid
 * @E-mail : md.parvez28@gmail.com
 * @Date : Oct 10, 2016
 * @Time : 1:14:36 AM
 */
public class Uri1036 {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        double a = sc.nextDouble();
        double b = sc.nextDouble();
        double c = sc.nextDouble();
        double x = nonNegative(a, b, c);
        double y = nonZero(a);
        if (y != 0 && x >= 0) {
            double r1 = (-b+Math.sqrt(x))/y;
            double r2 = (-b-Math.sqrt(x))/y;
            System.out.printf("R1 = %.5f\n",r1);
            System.out.printf("R2 = %.5f\n",r2);
        } else {
            System.out.println("Impossivel calcular");
        }

    }

    private static double nonZero(double a) {
        return 2 * a;
    }

    private static double nonNegative(double a, double b, double c) {
        return Math.pow(b, 2) - (4 * a * c);
    }
}