c# uint64

uint, UInt16, UInt32 and UInt64 are used to represent unsigned integers with values ranging based on their capacities/occupied size in the memory. These types work with positive values only. All these types are the same in nature but different based on the value ranges.

uint，UInt16，UInt32和UInt64用于表示无符号整数，其值的范围取决于其在内存中的容量/占用的大小。 这些类型仅适用于正值。 所有这些类型本质上都是相同的，但根据值范围而不同。

uint，UInt16，UInt32和UInt64之间的区别 (Difference between uint, UInt16, UInt32 and UInt64)

1)UInt16 (1) UInt16)

• UInt16 represents 16-bits (2-bytes) unsigned integer.

  UInt16表示16位(2字节)无符号整数。

• UInt16 occupies 16-bits (2-bytes) space in the memory.

  UInt16在内存中占用16位(2字节)的空间。

• As per the 2-bytes data capacity, an UInt16's value capacity is 0 to +65535.

  根据2字节的数据容量， UInt16的值容量为0到+65535。

Example:

例：

Consider the code – Here, we are printing required size, type, minimum & maximum value, variable declaration, and assignment of an UInt16.

考虑代码–在这里，我们正在打印所需的大小，类型，最小值和最大值，变量声明以及UInt16的分配。

using System;
using System.Text;

namespace Test
{
    class Program
    {
        static void Main(string[] args)
        {
            //printing UInt16 capacity, type, MIN & MAX value
            Console.WriteLine("UInt16 occupies {0} bytes", sizeof(UInt16));
            Console.WriteLine("UInt16 type is: {0}", typeof(UInt16));
            Console.WriteLine("UInt16 MIN value: {0}", UInt16.MinValue);
            Console.WriteLine("UInt16 MAX value: {0}", UInt16.MaxValue);
            Console.WriteLine();

            //UInt16 variables
            UInt16 a = 12345;
            UInt16 b = 65000;
            Console.WriteLine("a = {0}, b = {1}", a, b);

            //hit ENTER to exit
            Console.ReadLine();
        }
    }
}

Output

输出量

UInt16 occupies 2 bytes
UInt16 type is: System.UInt16
UInt16 MIN value: 0
UInt16 MAX value: 65535

a = 12345, b = 65000

2)UInt32 / uint (2) UInt32/uint)

uint is an alias of UInt32, so, uint and UInt32 are the same type.

uint是UInt32的别名，因此uint和UInt32是同一类型。

• UInt32 represents 32-bits (4-bytes) unsigned integer.

  UInt32表示32位(4字节)无符号整数。

• UInt32 occupies 32-bits (4-bytes) space in the memory.

  UInt32在内存中占用32位(4字节)空间。

• As per the 4-bytes data capacity, an UInt32's value capacity is 0 to +4294967295.

  按照4字节的数据容量， UInt32的值容量为0到+4294967295。

Example:

例：

Consider the code – Here, we are printing required size, type, minimum & maximum value, variable declaration, and assignment of an UInt32 or uint.

考虑代码–在这里，我们正在打印所需的大小，类型，最小值和最大值，变量声明以及UInt32或uint的分配。

using System;
using System.Text;

namespace Test
{
    class Program
    {
        static void Main(string[] args)
        {
            //printing UInt32 capacity, type, MIN & MAX value
            Console.WriteLine("UInt32 occupies {0} bytes", sizeof(UInt32));
            Console.WriteLine("UInt32 type is: {0}", typeof(UInt32));
            Console.WriteLine("UInt32 MIN value: {0}", UInt32.MinValue);
            Console.WriteLine("UInt32 MAX value: {0}", UInt32.MaxValue);
            Console.WriteLine();

            //UInt32 variables
            UInt32 a = 289812345;
            UInt32 b = 90909;
            Console.WriteLine("a = {0}, b = {1}", a, b);
            Console.WriteLine();

            //printing uint capacity, type, MIN & MAX value
            Console.WriteLine("uint occupies {0} bytes", sizeof(uint));
            Console.WriteLine("uint type is: {0}", typeof(uint));
            Console.WriteLine("uint MIN value: {0}", uint.MinValue);
            Console.WriteLine("uint MAX value: {0}", uint.MaxValue);
            Console.WriteLine();

            //uint variables
            uint x = 289812345;
            uint y = 90909;
            Console.WriteLine("x = {0}, y = {1}", x, y);

            //hit ENTER to exit
            Console.ReadLine();
        }
    }
}

Output

输出量

UInt32 occupies 4 bytes
UInt32 type is: System.UInt32
UInt32 MIN value: 0
UInt32 MAX value: 4294967295

a = 289812345, b = 90909

uint occupies 4 bytes
uint type is: System.UInt32
uint MIN value: 0
uint MAX value: 4294967295

x = 289812345, y = 90909

3)UInt64 (3) UInt64)

• UInt64 represents 64-bits (8-bytes) unsigned integer.

  UInt64表示64位(8字节)无符号整数。

• UInt64 occupies 64-bits (8-bytes) space in the memory.

  UInt64在内存中占用64位(8字节)的空间。

• As per the 8-bytes data capacity, an UInt64's value capacity is 0to +18446744073709551615.

  按照8字节的数据容量， UInt64的值容量为0到+18446744073709551615。

Example:

例：

Consider the code – Here, we are printing required size, type, minimum & maximum value, variable declaration, and assignment of an UInt64.

考虑代码–在这里，我们正在打印所需的大小，类型，最小值和最大值，变量声明以及UInt64的分配。

using System;
using System.Text;

namespace Test
{
    class Program
    {
        static void Main(string[] args)
        {
            //printing UInt64 capacity, type, MIN & MAX value
            Console.WriteLine("UInt64 occupies {0} bytes", sizeof(UInt64));
            Console.WriteLine("UInt64 type is: {0}", typeof(UInt64));
            Console.WriteLine("UInt64 MIN value: {0}", UInt64.MinValue);
            Console.WriteLine("UInt64 MAX value: {0}", UInt64.MaxValue);
            Console.WriteLine();

            //UInt64 variables
            UInt64 a = 289818278722345;
            UInt64 b = 98983989;
            Console.WriteLine("a = {0}, b = {1}", a, b);
            Console.WriteLine();

            //hit ENTER to exit
            Console.ReadLine();
        }
    }
}

Output

输出量

UInt64 occupies 8 bytes
UInt64 type is: System.UInt64
UInt64 MIN value: 0
UInt64 MAX value: 18446744073709551615

a = 289818278722345, b = 98983989

翻译自: https://www.includehelp.com/dot-net/difference-between-uint-UInt16-UInt32-and-UInt64-in-c-sharp.aspx

c# uint64