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  2. Primitive data type - Wikipedia

    en.wikipedia.org/wiki/Primitive_data_type

    Some languages such as Julia include a true 32-bit Unicode character type as primitive. [24] Other languages such as JavaScript, Python, Ruby, and many dialects of BASIC do not have a primitive character type but instead add strings as a primitive data type, typically using the UTF-8 encoding. Strings with a length of one are normally used to ...

  3. String (computer science) - Wikipedia

    en.wikipedia.org/wiki/String_(computer_science)

    String concatenation is an associative, but non-commutative operation. The empty string ε serves as the identity element; for any string s, εs = sε = s. Therefore, the set Σ * and the concatenation operation form a monoid, the free monoid generated by Σ.

  4. Data type - Wikipedia

    en.wikipedia.org/wiki/Data_type

    Primitive data types or built-in data types are types that are built-in to a language implementation. User-defined data types are non-primitive types. For example, Java's numeric types are primitive, while classes are user-defined. A value of an atomic type is a single data item that cannot be broken into component parts.

  5. List of data structures - Wikipedia

    en.wikipedia.org/wiki/List_of_data_structures

    1.2 Composite types or non-primitive type. 1.3 Abstract data types. ... String, a sequence of characters representing text; Union, a datum which may be one of a set ...

  6. Value type and reference type - Wikipedia

    en.wikipedia.org/wiki/Value_type_and_reference_type

    Many languages have explicit pointers or references. Reference types differ from these in that the entities they refer to are always accessed via references; for example, whereas in C++ it's possible to have either a std:: string and a std:: string *, where the former is a mutable string and the latter is an explicit pointer to a mutable string (unless it's a null pointer), in Java it is only ...

  7. Language primitive - Wikipedia

    en.wikipedia.org/wiki/Language_primitive

    A primitive is the smallest 'unit of processing' available to a programmer of a given machine, or can be an atomic element of an expression in a language. Primitives are units with a meaning, i.e., a semantic value in the language. Thus they are different from tokens in a parser, which are the minimal elements of syntax.

  8. Primitive wrapper class in Java - Wikipedia

    en.wikipedia.org/wiki/Primitive_wrapper_class_in...

    Primitive wrapper classes are not the same thing as primitive types. Whereas variables, for example, can be declared in Java as data types double, short, int, etc., the primitive wrapper classes create instantiated objects and methods that inherit but hide the primitive data types, not like variables that are assigned the data type values.

  9. Category:Primitive types - Wikipedia

    en.wikipedia.org/wiki/Category:Primitive_types

    This is a non-diffusing subcategory of Category:data types. It includes data types that can also be found in the parent category, or in diffusing subcategories of the parent. Wikimedia Commons has media related to Primitive types .