c# 中的 char 关键字

原文:https://www.geeksforgeeks.org/char-keyword-in-c-sharp/

关键词 是一种语言中用于某种内部过程或代表某种预定义动作的词语。 char 是一个关键字，用于声明一个变量，该变量存储从 +U0000 到 U+FFFF 范围内的字符值。是系统的别名。Char 。

语法:

char variable_name = value;

char 关键字占用内存 2 字节(16 位)。

示例:

Input: S

Output: chr: S
        Size of a char variable: 2 

Input: G

Output: Type of chr: System.Char
        chr: G
        Size of a char variable: 2

例 1:

// C# program for char keyword
using System;
using System.Text;

class GFG {

    static void Main(string[] args)
    {
        // char variable declaration
        char chr = 'S';

        // to print value
        Console.WriteLine("chr: " + chr);

        // to print the size of a char
        Console.WriteLine("Size of a char variable: " + sizeof(char));
    }
}

输出:

chr: S
Size of a char variable: 2

例 2:

// C# program for char keyword
using System;
using System.Text;

namespace geeks {

class GFG {

    static void Main(string[] args)
    {
        // char variable declaration
        char chr = 'G';

        // to print the type of variable
        Console.WriteLine("Type of chr: " + chr.GetType());

        // to print value
        Console.WriteLine("chr: " + chr);

        // to print size of a char
        Console.WriteLine("Size of a char variable: " + sizeof(char));

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

输出:

Type of chr: System.Char
chr: G
Size of a char variable: 2

例 3:

// C# program for char keyword
using System;
using System.Text;

class GFG {

    static void Main(string[] args)
    {
        // char variable declaration
        char chr = 'Geeks';

        // to print value
        Console.WriteLine("chr: " + chr);

        // to print size of a char
        Console.WriteLine("Size of a char variable: " + sizeof(char));
    }
}

错误:

字符文字中的字符太多

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