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/**
* 矩形类,继承自 Shape
* 实现矩形的面积计算和绘制功能
*/
public class Rectangle extends Shape {
// 矩形的长和宽
private double length;
private double width;
/**
* 构造方法:初始化矩形
* @param length 长
* @param width 宽
*/
public Rectangle(double length, double width) {
this.length = length;
this.width = width;
}
/**
* 实现父类方法:计算矩形面积
* @return 面积
*/
@Override
public double getArea() {
return length * width;
}
/**
* 实现父类方法:绘制矩形
*/
@Override
public void draw() {
System.out.println("正在绘制一个矩形,长:" + length + ",宽:" + width);
}
/**
* 获取长度
* @return 长度值
*/
public double getLength() {
return length;
}
/**
* 获取宽度
* @return 宽度值
*/
public double getWidth() {
return width;
}
}