## c 连接字符

Input characters and compare them using C# program.

输入字符并使用C＃程序进行比较。

Prerequisite: Methods to input a single character in C#

先决条件： 在C＃中输入单个字符的方法

C＃代码比较两个字符 (C# code to compare two characters)

Here, we are asking for two characters from the user – and checking whether they are the same characters or not?

在这里，我们要求用户输入两个字符-并检查它们是否相同？

// C# program for character comparison 
using System;
using System.IO;
using System.Text;
namespace IncludeHelp
{
class Test
{
// Main Method 
static void Main(string[] args)
{
char ch1;
char ch2;
//input characters
Console.Write("Enter a character: ");
ch1 = Console.ReadLine()[0];
Console.Write("Enter another character: ");
ch2 = Console.ReadLine()[0];
//comparing characters
if (ch1 == ch2)
Console.WriteLine("Input characters are the same");
else
Console.WriteLine("Input characters are not the same");
//hit ENTER to exit the program
Console.ReadLine();
}
}
}

Output

输出量

First run:
Enter a character: A
Enter another character: A
Input characters are the same
Second run:
Enter a character: A
Enter another character: X
Input characters are not the same

C＃代码比较字符串中的字符 (C# code to compare characters in a string)

Here, we are asking for a string from the user – and printing only vowels by comparing each character of the string with vowel characters.

在这里，我们要求用户输入字符串，并且通过将字符串的每个字符与元音字符进行比较来仅打印元音。

// C# program for character comparison 
using System;
using System.IO;
using System.Text;
namespace IncludeHelp
{
class Test
{
// Main Method 
static void Main(string[] args)
{
string str;
//input string
Console.Write("Enter a string: ");
str = Console.ReadLine();
//printing the string
Console.WriteLine("Input string is {0}", str);
//printing vowels 
Console.WriteLine("Vowels are...");
foreach (char ch in str)
{
if (ch == 'A' || ch == 'a' || ch == 'E' || ch == 'e' ||
ch == 'I' || ch == 'i' || ch == 'O' || ch == 'o' || 
ch == 'U' || ch == 'u')
{
Console.Write(ch);
}
}
//hit ENTER to exit the program
Console.ReadLine();
}
}
}

Output

输出量

Enter a string: IncludeHelp.com
Input string is IncludeHelp.com
Vowels are...
Iueeo

翻译自: https://www.includehelp.com/dot-net/character-comparison-example-in-c-sharp.aspx

## c 连接字符