标签：code lap public system int pre ring col get
NULL 类
public class NULL {
public static void haha(){
System.out.println("haha");
}
public static void main(String[] args) {
NULL.haha();
}
}点击查看结果
haha标签：code lap public system int pre ring col get
原文地址：https://www.cnblogs.com/hglibin/p/10092205.html
