标签：style ar sp java on div 问题 代码 as
import java.lang.Double;
class Main
{
public static void main(String[] args){
double a = Double.NaN;
if(Double.isNaN(a))
a = 1.0;
System.out.println(a);
}
}标签：style ar sp java on div 问题 代码 as
原文地址：http://blog.csdn.net/zhuangjingyang/article/details/41945737
