/**
* 长方形类
*/
class Rectangle{
/**
* 宽
*/
private double width;
/**
* 高
*/
private double height;
/**
* 构造方法
* @param width 宽
* @param height 高
*/
public Rectangle(double width,double height){
this.width = width;
this.height = height;
}
/**
* 计算长方形的面积
* @return 返回长方形的面积
*/
public double getArea(){
return this.width * this.height;
}
/**
* 计算长方形的周长
* @return 返回长方形的周长
*/
public double getGirth(){
return 2 * (this.width + this.height);
}
public double getWidth(){
return this.width;
}
public void setWidth(double width){
this.width = width;
}
public double getHeight(){
return this.height;
}
public void setHeight(double height){
this.height = height;
}
}
public class Test {
public static void main(String[] args){
Rectangle rect = new Rectangle(2,3);
System.out.println("长方形的宽 ：" + rect.getWidth());
System.out.println("长方形的高 ：" + rect.getHeight());
System.out.println("长方形的面积：" + rect.getArea());
System.out.println("长方形的周长：" + rect.getGirth());
}
}
