HW2_1

Board

package com;

public class Board {

	private Shape[] part = new Shape[4];

	public Board() {
		super();
		// TODO Auto-generated constructor stub
	}

	public void addShape(Shape shape, int i) {
		if (part[i] == null) {
			part[i] = shape;
			System.out.println("Фигура " + shape + " добавленна в поле " + (i + 1));
		} else {
			System.out.println("Поле " + (i + 1) + " занято");

		}
	}

	public void delShape(int i) {
		part[i] = null;
		System.out.println("Поле " + (i + 1) + " очищенно");
	}

	public void infoShape() {
		String shapesName = "";
		double area = 0;
		for (int i = 0; i < part.length; i++) {
			if (part[i] != null) {
				shapesName += part[i].getName() + ", ";
				area += part[i].getArea();
				// shapesName += part[i].getName() + " , ";
			}
		}
		System.out.println("Добавленны фигуры " + shapesName + " их общая площадь = " + Math.round(area));
	}
}

Circle

package com;

public class Circle extends Shape {
	private double perimetr;
	Point firstPoint;
	Point secondPoint;

	public Circle(Point firstPoint, Point secondPoint) {
		super();
		this.firstPoint = firstPoint;
		this.secondPoint = secondPoint;
	}
	// 

	public Circle() {
		super();
		// TODO Auto-generated constructor stub
	}
	
	
	public Point getFirstPoint() {
		return firstPoint;
	}

	public void setFirstPoint(Point firstPoint) {
		this.firstPoint = firstPoint;
	}

	public Point getSecondPoint() {
		return secondPoint;
	}

	public void setSecondPoint(Point secondPoint) {
		this.secondPoint = secondPoint;
	}
	@Override
	public String getName() {
		return this.getClass().getSimpleName();
	}

	@Override
	public double getPerimetr() {
		double perimetr = 2 * Math.PI * Point.calculatR(firstPoint, secondPoint);
		return perimetr;
	}

	@Override
	public double getArea() {
		double area = Math.PI * Math.pow(Point.calculatR(firstPoint, secondPoint), 2);
		return area;
	}

	@Override
	public String toString() {
		return "Circle [getPerimetr()=" + getPerimetr() + ", getArea()=" + getArea() + "]";
	}
	

}

Main

package com;

public class Main {

	public static void main(String[] args) {
		Triangle triangle = new Triangle (new Point(12, 23),new Point(21, 13),new Point(10, 20));
		Circle circle = new Circle(new Point(3,7),new Point(5,3));
		Rhombus rhombus = new Rhombus(new Point(12, 23),new Point(21, 13),new Point(10, 20),new Point(13,21));
		Rectangle rectangle = new Rectangle(new Point(12, 23),new Point(21, 13),new Point(10, 20),new Point(13,21));
		System.out.println(triangle);
		System.out.println(circle);
		System.out.println(rhombus);
		System.out.println(rectangle);
		
		Board board = new Board();
		board.addShape(triangle, 3);
		board.delShape(3);
		board.addShape(triangle, 2);
		board.addShape(circle, 3);
		board.infoShape();

	}

}

Point

package com;

public class Point {
	private double x;
	private double y;
	public Point(double x, double y) {
		super();
		this.x = x;
		this.y = y;
	}
	public Point() {
		super();
	}
	public double getX() {
		return x;
	}
	public void setX(double x) {
		this.x = x;
	}
	public double getY() {
		return y;
	}
	public void setY(double y) {
		this.y = y;
	}
	
	@Override
	public String toString() {
		return "Point [x=" + x + ", y=" + y + "]";
	}
	
	public static double calculat(Point firstPoint, Point seconPoint) {	
		return Math.sqrt((firstPoint.x - seconPoint.x) * (firstPoint.x - seconPoint.x) + (firstPoint.y - seconPoint.y) * (firstPoint.y - seconPoint.y));
	}
	
	public static double calculatR(Point firstPoint, Point seconPoint) {
		return  Math.sqrt(Math.pow((seconPoint.getX()-firstPoint.getX()), 2)+  Math.pow((seconPoint.getY()-firstPoint.getY()), 2));
	}
	
}

Rectangle

package com;

public class Rectangle extends Shape {

	private Point onePoint;
	private Point twoPoint;
	private Point threePoint;
	private Point fourPoint;

	public Rectangle() {
		super();
	}
	
	public Rectangle(Point onePoint, Point twoPoint, Point threePoint, Point fourPoint) {
		super();
		this.onePoint = onePoint;
		this.twoPoint = twoPoint;
		this.threePoint = threePoint;
		this.fourPoint = fourPoint;
	}

	public Point getOnePoint() {
		return onePoint;
	}

	public void setOnePoint(Point onePoint) {
		this.onePoint = onePoint;
	}

	public Point getTwoPoint() {
		return twoPoint;
	}

	public void setTwoPoint(Point twoPoint) {
		this.twoPoint = twoPoint;
	}

	public Point getThreePoint() {
		return threePoint;
	}

	public void setThreePoint(Point threePoint) {
		this.threePoint = threePoint;
	}

	public Point getFourPoint() {
		return fourPoint;
	}

	public void setFourPoint(Point fourPoint) {
		this.fourPoint = fourPoint;
	}
	@Override
	public String getName() {
		return this.getClass().getSimpleName();
	}
	@Override
	public double getPerimetr() {
		double perimetr = Point.calculat(onePoint, twoPoint) + Point.calculat(twoPoint, threePoint)+Point.calculat(threePoint, fourPoint)+Point.calculat(threePoint, onePoint);
		
		return perimetr;
	}
	@Override
	public double getArea() {
		double area = Point.calculat(onePoint, twoPoint) * Point.calculat(twoPoint, threePoint);
		return area;
	}

	@Override
	public String toString() {
		return "Rectangle [getPerimetr()=" + getPerimetr() + ", getArea()=" + getArea() + "]";
	}
	
	
}

Rhombus

package com;

public class Rhombus extends Shape {

	private Point onePoint;
	private Point twoPoint;
	private Point threePoint;
	private Point fourPoint;

	public Rhombus(Point onePoint, Point twoPoint, Point threePoint, Point fourPoint) {
		super();
		this.onePoint = onePoint;
		this.twoPoint = twoPoint;
		this.threePoint = threePoint;
		this.fourPoint = fourPoint;
	}

	public Rhombus() {
		super();
		// TODO Auto-generated constructor stub
	}

	public Point getOnePoint() {
		return onePoint;
	}

	public void setOnePoint(Point onePoint) {
		this.onePoint = onePoint;
	}

	public Point getTwoPoint() {
		return twoPoint;
	}

	public void setTwoPoint(Point twoPoint) {
		this.twoPoint = twoPoint;
	}

	public Point getThreePoint() {
		return threePoint;
	}

	public void setThreePoint(Point threePoint) {
		this.threePoint = threePoint;
	}

	public Point getFourPoint() {
		return fourPoint;
	}

	public void setFourPoint(Point fourPoint) {
		this.fourPoint = fourPoint;
	}
	@Override
	public String getName() {
		return this.getClass().getSimpleName();
	}

	@Override
	public double getPerimetr() {
			double perimetr = Point.calculat(onePoint, twoPoint) + Point.calculat(twoPoint, threePoint) + Point.calculat(threePoint, fourPoint)+Point.calculat(fourPoint, onePoint);
			return perimetr;
	}

	@Override
	public double getArea() {
		
		double area = Math.pow(Point.calculat(onePoint, twoPoint), 2);
		return area;
	}

	@Override
	public String toString() {
		return "Rhombus [getPerimetr()=" + getPerimetr() + ", getArea()=" + getArea() + "]";
	}


}

Shape

package com;

public abstract class Shape {
	abstract double  getPerimetr();
	abstract double  getArea();
	abstract String getName();
}

Triangle

package com;

import java.text.DecimalFormat;

public class Triangle extends Shape {
				
	private Point pointOne;
	private Point pointTwo;
	private Point pointThree;
			
	public Triangle() {
		super();
	}

	public Triangle(Point pointOne, Point pointTwo, Point pointThree) {
		super();
		this.pointOne = pointOne;
		this.pointTwo = pointTwo;
		this.pointThree = pointThree;
	}
	
	public Point getPointOne() {
		return pointOne;
	}

	public void setPointOne(Point pointOne) {
		this.pointOne = pointOne;
	}

	public Point getPointTwo() {
		return pointTwo;
	}

	public void setPointTwo(Point pointTwo) {
		this.pointTwo = pointTwo;
	}

	public Point getPointThree() {
		return pointThree;
	}

	public void setPointThree(Point pointThree) {
		this.pointThree = pointThree;
	}
	@Override
	public String getName() {
		return this.getClass().getSimpleName();
	}

	@Override
	public double getPerimetr() {
		double perimeter = Point.calculat(pointOne, pointTwo)+ Point.calculat(pointTwo, pointThree) + Point.calculat(pointThree, pointOne);
		return perimeter;
	}
	@Override
	public double getArea() {
		double area;
		double perimetr = this.getPerimetr();
		area = Math.sqrt(perimetr * (perimetr - Point.calculat(pointOne, pointTwo)) * (perimetr - Point.calculat(pointTwo, pointThree)) * (perimetr - Point.calculat(pointThree, pointOne)));
		return area;
	}

	@Override
	public String toString() {
		return "Triangle [getPerimetr()=" + getPerimetr() + ", getArea()=" + getArea() + "]";
	}

}