data item Comparison Table

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data item comparison table

Subject have state have synonym have behaviour has definition have type be have represent contain is a subtopic of be structured is a synonym of refer to draw as have scope refer to by

object instance: instance is used when you are talking about the role with respect to the class and object is used when talking in a more general way A data element in an object-oriented system, which has its own identity, belongs to a particular class, and has behaviour and properties in a state until an event occurs that causes it to change state live activation while the object is performing computations in a sequence diagram any entity to which you can associate properties and behaviour 2.1 - What is Object Orientation? instance without reference to the data (instance variables) contained in it a rectangle containing a colon and the underlined name of the class (optional if it is clear from the context), which may be preceded by an optional instance name in a UML instance diagram several different variables at the same time

variable A place where you can put data comment if it is non-obvious different classes of objects depending on the type of the variable 2.3 - Instance Variables a particular object, several different objects during the execution of a program, or no object at all

Subject	have state	have synonym	have behaviour	has definition	have type	be	have	represent	contain	is a subtopic of	be structured	is a synonym of	refer to	draw as	have scope	refer to by
object		instance: instance is used when you are talking about the role with respect to the class and object is used when talking in a more general way		A data element in an object-oriented system, which has its own identity, belongs to a particular class, and has behaviour and properties		in a state until an event occurs that causes it to change state	live activation while the object is performing computations in a sequence diagram	any entity to which you can associate properties and behaviour		2.1 - What is Object Orientation?		instance	without reference to the data (instance variables) contained in it	a rectangle containing a colon and the underlined name of the class (optional if it is clear from the context), which may be preceded by an optional instance name in a UML instance diagram		several different variables at the same time
variable				A place where you can put data			comment if it is non-obvious		different classes of objects depending on the type of the variable	2.3 - Instance Variables			a particular object, several different objects during the execution of a program, or no object at all

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