2018-12-23

import java.util.*;
import java.util.Scanner;
abstract class Shape{
    final double PI = 3.14;//不可变静态常量
    abstract public double getPerimeter();
    abstract public double getArea();
}
class Rectangle extends Shape{
    public int w,l;
    Rectangle(int width,int length){
        this.w = width;
        this.l = length;
    }
    public double getPerimeter(){
        return  (w+l)*2;
    }
    public double getArea(){
        return w*l;
    }

}
class Circle extends Shape{
        public int r;
        Circle(int radius){
            this.r = radius;
        }   
        public double getPerimeter(){
            return  2*r*PI;
        }
        public double getArea(){
            return r*r*PI;
        }

    }
public class Main1 {
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Scanner in = new Scanner(System.in);
        //System.out.println("请输入整数：");,去掉
        int n = in.nextInt();
        Shape[] s = new Shape[n];
       
        for(int i=0;i<n;i++){
            String str = in.next();
            //去掉Shape shape;//声明一个shape对象
            if(str.equals("rect")) {
                int w = in.nextInt();
                int l = in.nextInt();
       
                s[i] = new Rectangle(w,l);
                
            }else {
                int r = in.nextInt();
                s[i]= new Circle(r);
            }
            //去掉s[i] = shape;//把声明的对象放入形状数组
        }
        System.out.println(sumAllPerimeter(s));
        System.out.println(sumAllArea(s));
        System.out.print("[");
        for(int j=0;j<n;j++) {
            
            if(s[j].getClass()==Rectangle.class)
                System.out.print("Rectangle [width="+((Rectangle)s[j]).w+", length="+((Rectangle)s[j]).l+"]");//((Rectangle)s[j])强制类型转换
            if(s[j].getClass()==Circle.class){
                System.out.print("Circle [radius="+((Circle)s[j]).r+"]");
            }
            if(j!=n-1) {
                System.out.print(", ");
            }else {
                System.out.println("]");
                //System.out.println();ln代表输出后换行
            }
        }
        for(int i=0;i<n;i++) {
            System.out.print(s[i].getClass()+",");
            System.out.println(s[i].getClass().getSuperclass());
        }
        
        
    }
    static double sumAllArea(Shape[] s){//静态函数（Main）只能调用静态函数（sumAllArea(Shape[] s)）
        double sum=0;
        for(int i=0;i<s.length;i++) {
            Shape shape;
            shape = s[i];
            double d = shape.getArea();
            sum = sum+d;
        }
        return sum;
    }
    static double sumAllPerimeter(Shape[] s){
        double sum=0;
        for(int i=0;i<s.length;i++) {
            Shape shape;
            shape = s[i];
            double d = shape.getPerimeter();
            sum = sum+d;
        }
        return sum;
}
}