1.输入字符:
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int readValue;
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char character;
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readValue = System.Console.Read();
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character = (char) readValue; //隐式类型转换.
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System.Console.Write(character);
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2.输入字符串:
(1)方法一:
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string str = Console.ReadLine();
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char[] arr=str.ToCharArray();
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Array.Reverse(arr);
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Console.WriteLine(new string(arr));
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(2)方法二:
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string myString=Console.ReadLine();
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char[] myChars = myString.ToCharArray();
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for (int i = 0; i < myChars.Length; i++)
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