declared variable

declared variable
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  • Variable — A variable (pronEng|ˈvɛərɪəbl) is an attribute of a physical or an abstract system which may change its value while it is under observation. Examples include the height of a child, the temperature across a state, or the input to a function. This… …   Wikipedia

  • Variable Geo — This article refers to the video game series, for the OVAs, see Variable Geo (anime). Variable Geo Front cover of V.G.: Variable Geo for the PC 9801, the first title of the series. Developer(s) Gig …   Wikipedia

  • Variable-length array — In programming, a variable length array (or VLA) is an array data structure of automatic storage duration whose length is determined at run time (instead of at compile time).Programming languages that support VLAs include APL, COBOL, and C (added …   Wikipedia

  • C variable types and declarations — The C programming language has an extensive system for declaring variables of different types. The rules for the more complex types can be confusing at times, due to the decisions taken over their design. The principal decision is that the… …   Wikipedia

  • External variable — An external variable (keyword extern for C and C++ programming languages) is a variable declaration keyword used to signify that a global variable has been declared in another file, and is simply used within the file containing the extern keyword …   Wikipedia

  • Local variable — In computer science, a local variable is a variable that is given local scope . Such a variable is accessible only from the function or block in which it is declared. Local variables are contrasted with global variables.In most languages, local… …   Wikipedia

  • Volatile variable — In computer programming, a variable or object declared with the volatile keyword may be modified externally from the declaring object. For example, a variable that might be concurrently modified by multiple threads may be declared volatile.… …   Wikipedia

  • Uninitialized variable — In computing, an uninitialized variable is a variable that is declared but is not set to a definite known value before it is used. It will have some value, but not a predictable one. As such it is a programming error and a common source of bugs… …   Wikipedia

  • Automatic variable — In the C programming language= Variables declared within a block of code are, by default, automatic variables. This means that when the block is entered during program execution, the automatic variables will be automatically allocated; when the… …   Wikipedia

  • Member variable — In object oriented programming, a member variable (sometimes called a member field) is a variable that is associated with a specific class, and accessible for all its methods. If there is only one copy of the variable shared with all instances of …   Wikipedia

  • Class variable — In object oriented programming with classes, a class variable is a variable defined in a class (i.e. a member variable) of which a single copy exists, regardless of how many instances of the class exist.[1][2][3] …   Wikipedia


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