标签：sys class java rgs print double main oid out
public class JAVA{
public static void main(String[] args){
double a,b,s;
a=3.15159;
b=5.5;
s=a*b*b;
System.out.println("这个圆的周长是："+s);
}
}
标签：sys class java rgs print double main oid out
原文地址：http://www.cnblogs.com/kon-kon/p/7502685.html
