Problem 9.** Points inside the House

PointsInsideHouse

import java.util.Scanner;

public class P09PointsInsideHouse {

	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		double x = scan.nextDouble();
		double y = scan.nextDouble();
		//To simplify the problem let's divide the roof into 2 triangles 
		//at the line (17.5, 3)(17.5, 8.5)
		
		boolean checkTriangle1 = insideTriangle1(x, y);
		boolean checkTriangle2 = insideTriangle2(x, y);
		boolean checkRectangle1 = insideRectangle1(x, y);
		boolean checkRectangle2 = insideRectangle2(x, y);
		boolean result = checkRectangle1 || checkRectangle2 || checkTriangle1
				|| checkTriangle2;
		if (result) {
			System.out.println("Inside");
		} else {
			System.out.println("Outside");
		}

	}

	private static boolean insideRectangle2(double x, double y) {
		// TODO Auto-generated method stub
		if (x >= 20 && x <= 22.5 && y >= 8.5 && y <= 13.5) {
			return true;
		} else {
			return false;
		}
	}

	private static boolean insideRectangle1(double x, double y) {
		// TODO Auto-generated method stub
		if (x >= 12.5 && x <= 17.5 && y >= 8.5 && y <= 13.5) {
			return true;
		} else {
			return false;
		}
	}

	private static boolean insideTriangle2(double x, double y) {
		// TODO Auto-generated method stub
		if (x >= 17.5 && x <= 22.5 && y >= 3.5 && y <= 8.5 && (x - y) <= 14) {
			return true;
		} else {
			return false;
		}
	}

	private static boolean insideTriangle1(double x, double y) {
		// TODO Auto-generated method stub
		if (x >= 12.5 && x <= 17.5 && y >= 3.5 && y <= 8.5 && (x + y) >= 21) {
			return true;
		} else {
			return false;
		}

	}

}