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  2. Name–value pair - Wikipedia

    en.wikipedia.org/wiki/Name–value_pair

    Example of a web form with name-value pairs. A name–value pair, also called an attribute–value pair, keyvalue pair, or field–value pair, is a fundamental data representation in computing systems and applications. Designers often desire an open-ended data structure that allows for future extension without modifying existing code or data.

  3. Associative array - Wikipedia

    en.wikipedia.org/wiki/Associative_array

    remove a (,) pair from the collection, unmapping a given key from its value. The argument to this operation is the key. Lookup, find, or get find the value (if any) that is bound to a given key. The argument to this operation is the key, and the value is returned from the operation.

  4. Comparison of programming languages (associative array)

    en.wikipedia.org/wiki/Comparison_of_programming...

    Comparison of Java and .NET platforms ... new/0 function and new key/value pairs are stored ... The get method is used to access a key; for example, the value of the ...

  5. Key–value database - Wikipedia

    en.wikipedia.org/wiki/Keyvalue_database

    A tabular data card proposed for Babbage's Analytical Engine showing a keyvalue pair, in this instance a number and its base-ten logarithm. A keyvalue database, or keyvalue store, is a data storage paradigm designed for storing, retrieving, and managing associative arrays, and a data structure more commonly known today as a dictionary or hash table.

  6. Association list - Wikipedia

    en.wikipedia.org/wiki/Association_list

    To test whether a key is associated with a value in a given association list, search the list starting at its first node and continuing either until a node containing the key has been found or until the search reaches the end of the list (in which case the key is not present). To add a new keyvalue pair to an association list, create a new ...

  7. Hash table - Wikipedia

    en.wikipedia.org/wiki/Hash_table

    Many hash table designs also allow arbitrary insertions and deletions of keyvalue pairs, at amortized constant average cost per operation. [3] [4] [5] Hashing is an example of a space-time tradeoff. If memory is infinite, the entire key can be

  8. Java annotation - Wikipedia

    en.wikipedia.org/wiki/Java_annotation

    Annotations may include a set of key-value pairs, which are modeled as methods of the annotation type. Each method declaration defines an element of the annotation type. Method declarations must not have any parameters or a throws clause. Return types are restricted to primitives, String, Class, enums, annotations, and arrays of the preceding ...

  9. Linear probing - Wikipedia

    en.wikipedia.org/wiki/Linear_probing

    Linear probing is a component of open addressing schemes for using a hash table to solve the dictionary problem.In the dictionary problem, a data structure should maintain a collection of keyvalue pairs subject to operations that insert or delete pairs from the collection or that search for the value associated with a given key.