标签：rgs ring main sys print ble 3.1 out world
public class world{
public static void main(String[] args){
double p=3.14,i=5.50;
System.out.println(" 圆的面积："+ p*i*i+ "cm2");
System.out.println(" 圆的周长："+ 2*i*p +"cm");
}
}
标签：rgs ring main sys print ble 3.1 out world
原文地址：http://www.cnblogs.com/yuxingye/p/7504560.html
