String literal
A string literal is source-code notation that directly represents a string value.
The Well-Grounded Rubyist, Fourth Edition
A string literal is Ruby source syntax that directly represents a String value.
- How it is used
- Represents text directly in Ruby source while supporting compact quoted, percent-delimited, and multiline heredoc forms.
- How deep it goes
- Explains quoting, interpolation, escaping, percent notation, heredocs, and conditional behavior through runnable examples rather than exhaustive reference detail.
- Examples
- Uses irb snippets, quotation contrasts, percent-delimited strings, SQL heredocs, indented heredocs, and conditional tests.
- What you can do after
- Apply it via irb to write quoted and multiline strings, control interpolation, and choose appropriate escaping or delimiters.
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100 Java Mistakes and How to Avoid Them
A string literal is a Java source-code literal representing a sequence of characters using double quotation marks.
- How it is used
- Uses double-quoted text to avoid character-literal overload and expression mistakes.
- How deep it goes
- Explains escapes and two practical failure modes, stopping short of a complete syntax treatment.
- Examples
- Uses StringBuilder brackets, an error message, escape sequences, regular expressions, and format strings as cautionary examples.
- What you can do after
- Apply string literals to avoid numeric overload selection and unary-plus confusion, while reviewing escapes and regex-sensitive APIs carefully.
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Related concepts
- raw string literalincludes · A raw string literal is a string-literal syntax that treats most backslashes and other contents literally, reducing ordinary escape processing.
- character literalalternative to · A character literal is source-code notation that directly denotes a single character or its encoded character value, typically using delimiters such as single quotation marks.
- regular expressionincludes · A formal pattern notation that describes sets of strings and enables text to be matched, searched, extracted, or transformed.
- URL patternpart of · A URL pattern is a routing specification that determines which incoming URL or request a handler or destination matches.
- MIME typeincludes · A standardized media-type identifier, typically written as a type and subtype, that describes the format and general nature of data in a resource or message.
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