Demo06

public class Demo06 {
public static void main(String[] args) {

//溢出问题经典条例
int mony=10_0000_0000;
int yes=20;
long t=yes*((long)mony);
System.out.println(t);

/*
int mony=10_0000_0000;
int yes=20;
int t=mony*yes;
System.out.println(t); 会出现溢出问题,不信可以输出试试看
====================================================
int mony=10_0000_0000;
int yes=20;
long t=mony*yes;
System.out.println(t); 会出现溢出问题,不信可以输出试试看
====================================================
int mony=10_0000_0000;
int yes=20;
long t=yes*((long)mony);
System.out.println(t); 正常输出模式
*/
//Java基础04 数据类型拓展及面试题讲解

}
}
posted @ 2022-09-28 23:23  陈焕新  阅读(27)  评论(0)    收藏  举报