如何在C＃中使用Int64

Question

The question is easy! How do you represent a 64 bit int in C#?

Answer 1

64位int很长

Answer 2

System.Int64是.net类型， 在C＃中它也被称为long

Answer 3

A signed 64 bit integer is long , an unsigned is ulong .

The corresponding types in the framwwork are System.Int64 and System.UInt64 , respectively.

Example:

long bigNumber = 9223372036854775807;

Answer 4

By using the long data type, or ulong for unsigned.

Table of Integral C# Types