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string literalA contiguous set of alphanumeric characters declared in the source code of a program. String literals, which are typically descriptive titles and messages, are output to the screen or printer as written. Depending on the programming language, escape codes for line breaks and such may be inserted within the string and executed as commands. Contrast with numeric literal. See string and escape code.
In the following C example, which uses the backslash as an escape character, "Hello World" is displayed on two lines followed by one blank line:
printf ("Hello\nWorld\n\n"); Hello World