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Додаток Д

Приклад використання основних парадигм ООП

/**
* Created by Mykola Demchyna on 24.03.2018.
*/

abstract public class Shape {

protected static final double PI = 3.14;

private String color;
private Border borderStyle;

public Shape(String color, Border borderStyle) {
this.color = color;
this.borderStyle = borderStyle;
}

public String getColor() {
return color;
}

public void setColor(String color) {
this.color = color;
}

public Border getBorderStyle() {
return borderStyle;
}

public void setBorderStyle(Border borderStyle) {
this.borderStyle = borderStyle;
}

public abstract double getArea();

protected void shapeInfo() {
System.out.println("\tcolor: " + color + ", border style: " +
borderStyle.toString().toLowerCase());
}
}

/**
* Created by Mykola Demchyna on 24.03.2018.
*/

public enum Border {
SOLID, DASHED, DOTTED
}

/**
* Created by Mykola Demchyna on 24.03.2018.
*/

public class Square extends Shape implements IPerimeter, IVertex {

private double side;

public Square(double side, String color, Border borderStyle) {
super(color, borderStyle);

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