JavaOOPHomeWork2

Board

package com.gmail.kudr641.example1;

import java.util.Scanner;

public class Board {
	private Shape[] arrayShape = new Shape[4];
	private Scanner scanner = new Scanner(System.in);
	
	public void action(){
		System.out.println("Select an action");
		System.out.println("1 - Create figure");
		System.out.println("2 - Delete figure");
		System.out.println("3 - Print result");
		System.out.println("4 - Stop");
		
		int i = scanner.nextInt();
		if(1 > i || i > 4){
			System.out.println("Options are not suitable!");
			System.out.println("Try it again!");
			action();
		}else{
			switch(i){
				case 1: putShape();
						action();
						break;
				case 2: deleteShape();
						action();
						break;
				case 3: printResult();
						action();
						break;
				case 4: printResult();
						break;
			}
		}
	}
	
	private Shape selecShape() {
		
		System.out.println("Select shape:");
		System.out.println("1 - Circle");
		System.out.println("2 - Triangle");
		System.out.println("3 - Square");
		System.out.println("4 - Not create");

		int i = scanner.nextInt();
		
		switch (i) {
		case 1:
			return (Shape) new Сircle().createCircle();
		case 2:
			return (Shape) new Triangle().createTriangle();
		case 3:
			return (Shape) new Square().createSquare();
		case 4:
			return null;
		default:
			System.out.println("Options are not suitable!");
			System.out.println("Try it again!");
			return selecShape();
		}
	}

	private void putShape(){
		System.out.println("where to put a figure?");
		System.out.println("1 - at the top of the left");
		System.out.println("2 - at the top of the right");
		System.out.println("3 - in the lower left corner");
		System.out.println("4 - in the lower right corner");
		
		int i = scanner.nextInt();
		if(1 > i || i > 4){
			System.out.println("Options are not suitable!");
			System.out.println("Try it again!");
			putShape();
		}
		switch(i){
			case 1:if(arrayShape[0] == null){
				arrayShape[0] = selecShape();
			}else{
				System.out.println("Busy place");
				putShape();
			}				 
					break;
			case 2: if(arrayShape[1] == null){
				arrayShape[1] = selecShape(); 
			}else{
				System.out.println("Busy place");
				putShape();
			}
					break;
			case 3: if(arrayShape[2] == null){
				arrayShape[2] = selecShape(); 
			}else{
				System.out.println("Busy place");
				putShape();
			}
					break;
			case 4:if(arrayShape[3] == null){
				arrayShape[3] = selecShape();
			}else{
				System.out.println("Busy place");
				putShape();
			}				 
					break;
		}
	}
	
	private void deleteShape(){
		System.out.println("where to delet a figure?");
		System.out.println("1 - at the top of the left");
		System.out.println("2 - at the top of the right");
		System.out.println("3 - in the lower left corner");
		System.out.println("4 - in the lower right corner");
		
		int i = scanner.nextInt();
		if(i < 1 || i > 4){
			System.out.println("Options are not suitable!");
			System.out.println("Try it again!");
			putShape();
		}
		switch(i){
			case 1:	if(arrayShape[0] != null){
				System.out.println("Figure delet!");
				arrayShape[0] = null;
			}else{
				System.out.println("There is already too empty!");
			}
					break;
			case 2: if(arrayShape[1] != null){
				System.out.println("Figure delet!");
				arrayShape[1] = null;
			}else{
				System.out.println("There is already too empty!");
			} 
					break;
			case 3: if(arrayShape[2] != null){
				System.out.println("Figure delet!");
				arrayShape[2] = null;
			}else{
				System.out.println("There is already too empty!");
			}
					break;
			case 4: if(arrayShape[3] != null){
				System.out.println("Figure delet!");
				arrayShape[3] = null;
			}else{
				System.out.println("There is already too empty!");
			}
					break;
		}
	}
	
	
	
	private void printResult(){
		String[] arrayString = {"At the top of the left:", "At the top of the right:", 
				"In the lower left corner:", "In in the lower right corner:" };
		double sumPerimeter = 0;
		double sumArea = 0;
		for(int i = 0; i < arrayShape.length; i ++){
			System.out.println(arrayString[i]);
			if(arrayShape[i] == null){
				System.out.println("It's empty");
			}else{
				System.out.println(arrayString[i] + arrayShape[i] +
						" perimeter:" + arrayShape[i].getPerimeter() +
						" area: " + arrayShape[i].getArea());
				sumPerimeter += arrayShape[i].getPerimeter();
				sumArea += arrayShape[i].getArea();
			}			
		}
		System.out.println("Sum perimeter: " + sumPerimeter);
		System.out.println("Sum Area: " + sumArea);
	}
}

Circle

package com.gmail.kudr641.example1;

import java.util.Scanner;

public class Сircle extends Shape{
	private Point one;
	private Point two;
	private double radius;
	private Scanner scanner;
		
	public Сircle(Point one, Point two, double radius){
		this.one = one;
		this.two = two;
		this.radius = radius;		
	}
	
	public Сircle(){
		
	}
	
	public Сircle createCircle(){
		
		scanner = new Scanner(System.in);
		
		Point center = new Point();
		Point side = new Point();
		
		System.out.print("Input x for center:");		
		center.setX(scanner.nextDouble());
		
		System.out.print("Imput y for center:");		
		center.setY(scanner.nextDouble());
		
		System.out.print("Input x for side:");
		side.setX(scanner.nextDouble());
		
		System.out.print("Input y for side:");
		side.setY(scanner.nextDouble());
				
		return new Сircle(center, side, getLength(center, side));
	}
	
	
	@Override
	public String toString() {
		return "Сircle [one=" + one +
				", two=" + two + 
				", radius=" + radius + "]";
	}

	@Override
	public double getPerimeter() {		
		return 2 * Math.PI * radius;
	}

	@Override
	public double getArea() {		
		return Math.PI * Math.pow(radius, 2);
	}

}

Point

package com.gmail.kudr641.example1;

public class Point {
	private double x;
	private double y;
	
	public Point(){
		
	}
	public double getX() {
		return x;
	}
	public void setX(double x) {
		this.x = x;
	}
	@Override
	public String toString() {
		return "Point [x=" + x + ", y=" + y + "]";
	}
	public double getY() {
		return y;
	}
	public void setY(double y) {
		this.y = y;
	}
}

Runner

package com.gmail.kudr641.example1;

public class Runner {
	public static void main(String... args){
		Board board = new Board();
		board.action();		
				
	}
}

Shape

package com.gmail.kudr641.example1;

public abstract class Shape {
	public abstract double getPerimeter();
	public abstract double getArea();
		
	public double getLength(Point one, Point two){		 	
		return Math.sqrt(Math.pow(two.getX() 
				- one.getX(), 2) + Math.pow(two.getY() - one.getY(), 2));	
	}
	
}

Square

package com.gmail.kudr641.example1;

import java.util.Scanner;

public class Square extends Shape {
	private Point onePoint;
	private Point twoPoint;
	private Point threePoint;
	private Point fourPoint;
	private double side;
	private Scanner scanner;
		
	public Square(Point onePoint, Point twoPoint, Point threePoint, Point fourPoint, double side){
		this.onePoint = onePoint;
		this.twoPoint = twoPoint;
		this.threePoint = threePoint;
		this.fourPoint = fourPoint;
		this.side = side;				
	}
	
	public Square(){
		
	}
	
	public Square createSquare(){
		scanner = new Scanner(System.in);
		
		Point one = new Point();
		Point two = new Point();
		Point three = new Point();
		Point four = new Point();
		
		System.out.print("Inpout x for point upper left corner:");
		one.setX(scanner.nextDouble());
		
		System.out.print("Input y for point upper left corner:");
		one.setY(scanner.nextDouble());
		
		System.out.println("Input size side:");
		double side = scanner.nextDouble();
				
		two.setX(one.getX() + side);
		two.setY(one.getY());
		three.setX(one.getX());
		three.setY(one.getY() - side);
		four.setX(two.getX());
		four.setY(three.getY());
		
		return new Square(one, two, three, four, side);
	}
	
	@Override
	public String toString() {
		return "Square [onePoint=" + onePoint +
				", twoPoint=" + twoPoint +
				", threePoint=" + threePoint +
				", fourPoint=" + fourPoint + 
				", side=" + side + "]";
	}

	@Override
	public double getPerimeter() {		
		return side * 4;
	}

	@Override
	public double getArea() {		
		return Math.pow(side, 2);
	}
		
}

Triangle

package com.gmail.kudr641.example1;

import java.util.Scanner;

public class Triangle extends Shape {
	private Point onePoint;
	private Point twoPoint;
	private Point threePoint;		
	private double sideOne;
	private double sideTwo;
	private double sideThree;
	private Scanner scanner;

	public Triangle(Point onePoint, Point twoPoint, Point threePoint,
			double sideOne, double sideTwo, double sideThree) {
		this.onePoint = onePoint;
		this.twoPoint = twoPoint;
		this.threePoint = threePoint;		
		this.sideOne = sideOne;
		this.sideTwo = sideTwo;
		this.sideThree = sideThree;

	}
	
	public Triangle(){
		
	}
	
	public Triangle createTriangle(){		
		scanner = new Scanner(System.in);
		
		Point one = new Point();
		Point two = new Point();
		Point three = new Point();
		
		System.out.print("Input x for point one:");
		one.setX(scanner.nextDouble());
		
		System.out.print("Input y for point one:");
		one.setY(scanner.nextDouble());
		
		System.out.print("Input x for point two:");
		two.setX(scanner.nextDouble());
		
		System.out.print("Input y for point two:");
		two.setY(scanner.nextDouble());
		
		System.out.print("Input x for point three:");
		three.setX(scanner.nextDouble());
		
		System.out.print("Input y for point three:");
		three.setY(scanner.nextDouble());
		
		double sideOne = getLength(one, two);		
		double sideTwo = getLength(two, three);
		double sideThree = getLength(three, one);
	
		if(sideOne + sideTwo <= sideThree || sideTwo + sideThree <= sideOne 
				|| sideOne + sideTwo <= sideTwo){
			System.out.println("Options are not suitable!");
			System.out.println("Try it again!");
			return createTriangle();
		}else{			
			return new Triangle(one, two, three, sideOne, sideTwo, sideThree);
		}		
	}
	
	@Override
	public double getPerimeter() {
		return sideOne + sideTwo + sideThree;
	}

	@Override
	public double getArea() {
		double semiperimeter = getSemiperimeter();		
		return Math.sqrt(
				semiperimeter * (semiperimeter - sideOne) * 
				(semiperimeter - sideTwo) * (semiperimeter - sideThree));
	}
	
	@Override
	public String toString() {
		return "Triangle [onePoint=" + onePoint +
				", twoPoint=" + twoPoint + 
				", threePoint=" + threePoint +
				", sideOne=" + sideOne + 
				", sideTwo=" + sideTwo + 
				", sideThree=" + sideThree + "]";
	}

	private double getSemiperimeter() {
		return getPerimeter() / 2;
	}	
}