WebDec 16, 2009 · Sure is a difference - In C#, a long is a 64 bit signed integer, an int is a 32 bit signed integer, and that's the way it always will always be. So in C#, a long can hold an int, but an int cannot hold a long. C/C++ that question is platform dependent. In C#, an int is a System.Int32 and a long is a System.Int64; the former is 32-bits and the ... WebDec 15, 2008 · 1、long:编程语言中的长整形数据类型,是long int的缩写,它的表示范围从-9,223,372,036,854,775,808到9,223,372,036,854,775,807,在C#中是System.Int64 …
在C#中long与int64有什么区别吗_百度知道
WebJul 30, 2024 · 假设要从文本框获取文本(已经设定成只能输入数字),如果判断值是否超出了int的范围? 我想到的方法: 1.限制输入的个数 2.先把String转成long,把int边界值设置成long,然后比较判断是否在范围内。 WebApr 3, 2011 · C#转换中的(int): (int)是一种类型转换;当我们从int类型到long,float,double,decimal类型,可以使用隐式转换,但是当我们从long类型到int类型就需要使用显式转换,否则会产生编译错误。C#转换中的int.Parse(): int.Parse()是一种类容转换;表示将数字内容的字符串转为int类型。 did jane leave the last frontier
c#long的取值范围 - CSDN
Web3.理解C#中赋值=号和数学中=号的区别. 4、理解变量在程序运行中变化过程。 zy4. 1、理解C#中整型变量取值范围的原理. 2、认识整型变量中的另外几种类型:short型、long型、 … WebDec 16, 2009 · An int (aka System.Int32 within the runtime) is always a signed 32 bit integer on any platform, a long (aka System.Int64) is always a signed 64 bit integer on … WebApr 10, 2024 · int x; long y = 123456789101112; x = (int)y; Console.WriteLine(x); 输出结果: 我们知道long类型的取值范围是-9223372036854775805~+9223372036854775807;int类型的是:-2147483648~+2147483647 上面的代码中,由于long变量的值超过了int能容纳的最大 … did jane mansfield have any children