30.2. Fundamentals of Characters and Strings
Characters are the fundamental building blocks of Java source programs. Every program is composed of a sequence of characters that—when grouped together meaningfully—are interpreted by the computer as a series of instructions used to accomplish a task. A program may contain character literals. A character literal is an integer value represented as a character in single quotes. For example, 'z' represents the integer value of z, and '\n' represents the integer value of newline. The value of a character literal is the integer value of the character in the Unicode character set. Appendix B presents the integer equivalents of the characters in the ASCII character set, which is a subset of Unicode (discussed ...
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