In lexical scoping (or lexical scope 4.3.2.3 c++ and languages which derive in style from it (such as java, c#, d, and php) also generally use this Also called static scoping or static scope), if a variable name's scope is a certain block, then its scope is the program text of the block definition
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Within that block's text, the variable name exists, and is bound to the variable's value, but outside.
Furthermore, the variables can also be constants if the value is defined statically
Automatic variable in computer programming, an automatic variable is a local variable which is allocated and deallocated automatically when program flow enters and leaves the variable's scope The scope is the lexical context, particularly the function or block in which a variable is defined. Scope (computer science) in computer programming, the scope of a name binding (an association of a name to an entity, such as a variable) is the part of a program where the name binding is valid That is, where the name can be used to refer to the entity.
Assigning to a variable of reference type simply copies the reference, whereas assigning to a variable of value type copies the value This applies to all kinds of variables, including local variables, fields of objects, and array elements. Data segment in computing, a data segment (often denoted.data) is a portion of an object file or the corresponding address space of a program that contains initialized static variables, that is, global variables and static local variables. The first oo language, simula 67, used this to explicitly reference the local object
