CSC-111 HW4 Point In Quarter Circle Solution

PointInQuarterCircle.java

// A.C. Silvestri
// 10/11/17
// CSC-111-D01
// Homework 4 -- Point in Quarter Circle
// silvestri@.stcc.edu

import java.util.Scanner;

public class PointInQuarterCircle {

	public static void main(String[] args) {
		Scanner input = new Scanner(System.in);
		System.out.print("Please Radius of the Circle: ");
		double radius = input.nextDouble();

		if (radius <= 0)
			System.out.println("Radius must be POSITIVE!");
		else
		{
			System.out.print("Enter an x value: ");
			double x = input.nextDouble();
			System.out.print("Enter a y value: ");
			double y = input.nextDouble();

			boolean pointInCircle;
			if (x < 0 || y < 0)
				pointInCircle = false;
			else
			{
				double dist = Math.sqrt(x * x + y * y);
				pointInCircle = dist <= radius;
			}

			if (pointInCircle)
				System.out.println("Point In Circle");
			else
				System.out.println("Point NOT In Circle");
		}
		input.close();
	}

}