45 lines
969 B
Java
45 lines
969 B
Java
/*
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* Author: CHEN Yongyuan (Walter) 1930006025 from OOP(1007)
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* Date: 2022/03/27
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* Description: This is the Rectangle class.
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*/
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public class Rectangle extends Shape {
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private double width;
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private double height;
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/**
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* Constructor
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*
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* @param x the x coordinate of the center of the rectangle
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* @param y the y coordinate of the center of the rectangle
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* @param width the width of the rectangle
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* @param length the length of the rectangle
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*/
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public Rectangle(double x, double y, double width, double length) {
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super(x, y);
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this.width = width;
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this.height = length;
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}
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/**
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* Override the area method
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*
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* @return double
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*/
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@Override
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public double area() {
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return width * height;
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}
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/**
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* Test
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*/
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public static void testRectangle() {
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Rectangle r1 = new Rectangle(1.0, 2.0, 3.0, 4.0);
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System.out.println(r1.getX() == 1.0);
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System.out.println(r1.getY() == 2.0);
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System.out.println(r1.area() == 12.0);
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}
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}
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