rectangle类。java

import java.util.Scanner;

class rectangle
{
    int l,w;
    rectangle(int lon,int wid){
    l=lon;
    w=wid;
}
int Area(){
    int area;
    return area=l*w;
}
}
class ss{
    public static void main(String[] args){
        Scanner reader=new Scanner(System.in);
        int x=reader.nextInt();
        int y=reader.nextInt();
    rectangle k=new rectangle(x,y    );
    System.out.print(k.Area());
}
}

原文地址:https://www.cnblogs.com/zeross/p/4811444.html