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String (computer science) Strings are typically made up of characters, and are often used to store human-readable data, such as words or sentences. In computer programming, a string is traditionally a sequence of characters, either as a literal constant or as some kind of variable. The latter may allow its elements to be mutated and the length ...
String literal. A string literal or anonymous string [1] is a literal for a string value in the source code of a computer program. Modern programming languages commonly use a quoted sequence of characters, formally "bracketed delimiters", as in x = "foo", where "foo" is a string literal with value foo. Methods such as escape sequences can be ...
e. String functions are used in computer programming languages to manipulate a string or query information about a string (some do both). Most programming languages that have a string datatype will have some string functions although there may be other low-level ways within each language to handle strings directly.
java.lang.String. java.lang.String is Java's basic string type. Immutable. Some methods treat each UTF-16 code unit as a "character", but methods to convert to an int[] that is effectively UTF-32 are also available. java.lang.Throwable. java.lang.Throwable is supertype of everything that can be thrown or caught with Java's throw and catch ...
First-class function, in all functional languages, JavaScript, Lua, D, Go, and in newer standards of C++, Java, C#, Perl; Characters and strings. A character type is a type that can represent all Unicode characters, hence must be at least 21 bits wide. Some languages such as Julia include a true 32-bit Unicode character type as primitive.
Data type. In computer science and computer programming, a data type (or simply type) is a collection or grouping of data values, usually specified by a set of possible values, a set of allowed operations on these values, and/or a representation of these values as machine types. [1] A data type specification in a program constrains the possible ...
String interpolation is an alternative to building string via concatenation, which requires repeat quoting and unquoting; [2] or substituting into a printf format string, where the variable is far from where it is used. Compare: apples = 4 puts "I have #{apples} apples." # string interpolation puts "I have " + String(apples) + " apples."
Null-terminated string. In computer programming, a null-terminated string is a character string stored as an array containing the characters and terminated with a null character (a character with an internal value of zero, called "NUL" in this article, not same as the glyph zero). Alternative names are C string, which refers to the C ...