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subject > programming language construct > data item > variable > reference |
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reference | ||||
subject | fact |
reference | has definition A variable that refers to an object | ![]() |
is a subtopic of 2.3 - Instance Variables | ![]() | |
is a kind of variable | ![]() | |
variable | can contain different classes of objects depending on the type of the variable | ![]() |
can refer to a particular object, several different objects during the execution of a program, or no object at all | ![]() | |
has scope | ![]() | |
has type | ![]() | |
should have comment if it is non-obvious | ![]() |