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Visual C#® 2012: How to Program, Fifth Edition by Harvey Deitel, Paul Deitel

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16.2. Fundamentals of Characters and Strings

Characters are the fundamental building blocks of C# source code. Every program is composed of characters that, when grouped together meaningfully, create a sequence that the compiler interprets as instructions describing how to accomplish a task. A program also can contain character constants. A character constant is a character that’s represented as an integer value, called a character code. For example, the integer value 122 corresponds to the character constant 'z'. The integer value 10 corresponds to the newline character '\n'. Character constants are established according to the Unicode character set, an international character set that contains many more symbols and letters than does the ASCII ...

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