Associative array and Object composition

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Difference between Associative array and Object composition

Associative array vs. Object composition

In computer science, an associative array, map, symbol table, or dictionary is an abstract data type that stores a collection of (key, value) pairs, such that each possible key appears at most once in the collection. In computer science, object composition and object aggregation are closely related ways to combine objects or data types into more complex ones.

Array (data structure)

In computer science, an array is a data structure consisting of a collection of elements (values or variables), of same memory size, each identified by at least one array index or key.

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C++

C++ (pronounced "C plus plus" and sometimes abbreviated as CPP) is a high-level, general-purpose programming language created by Danish computer scientist Bjarne Stroustrup.

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Common Lisp

Common Lisp (CL) is a dialect of the Lisp programming language, published in American National Standards Institute (ANSI) standard document ANSI INCITS 226-1994 (S2018) (formerly X3.226-1994 (R1999)).

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Computer science

Computer science is the study of computation, information, and automation.

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Data structure

In computer science, a data structure is a data organization, and storage format that is usually chosen for efficient access to data.

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Hash table

In computing, a hash table is a data structure often used to implement the map (a.k.a. dictionary or associative array) abstract data type.

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Java (programming language)

Java is a high-level, class-based, object-oriented programming language that is designed to have as few implementation dependencies as possible.

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JavaScript

JavaScript, often abbreviated as JS, is a programming language and core technology of the Web, alongside HTML and CSS.

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Linked list

In computer science, a linked list is a linear collection of data elements whose order is not given by their physical placement in memory.

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Smalltalk

Smalltalk is a purely object oriented programming language (OOP) that was originally created in the 1970s for educational use, specifically for constructionist learning, but later found use in business.

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Tuple

In mathematics, a tuple is a finite sequence or ordered list of numbers or, more generally, mathematical objects, which are called the elements of the tuple.

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