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Java instance variable
subject			fact

Java instance variable	is a subtopic of The Basics of Java
	is a kind of instance variable
	is a kind of Java variable
	should usually be declared private
Java variable	can be accessed by other variables and methods in any class in the same package by default
	can have an interface as its type which means that, with the variable, you can invoke any operation supported by the interface
	is declared by giving the data type followed by the name of the variable
	should be as private as possible
instance variable	implements an attribute or association
	should be as private as reasonably possible - almost never make them public
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