Java variable Comparison Table

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Java variable comparison table

Subject serve as have be implement overuse declared have purpose access by declared in mark as share by

Java class variable a global variable a value that is shared by all instances of a class as private as possible storing:
Default or 'constant' values that are widely used by methods in a class
Lookup tables and similar structures used by algorithms inside a particular class
specifying the name of the class, followed by a dot, followed by the name of the variable the body of the class (not inside a method) static all instances of the class

Java instance variable an interface as its type which means that, with the variable, you can invoke any operation supported by the interface as private as reasonably possible - almost never make them public an attribute or association private other variables and methods in any class in the same package by default

Subject	serve as	have	be	implement	overuse	declared	have purpose	access by	declared in	mark as	share by
Java class variable	a global variable	a value that is shared by all instances of a class	as private as possible				storing: Default or 'constant' values that are widely used by methods in a class Lookup tables and similar structures used by algorithms inside a particular class	specifying the name of the class, followed by a dot, followed by the name of the variable	the body of the class (not inside a method)	static	all instances of the class
Java instance variable		an interface as its type which means that, with the variable, you can invoke any operation supported by the interface	as private as reasonably possible - almost never make them public	an attribute or association		private		other variables and methods in any class in the same package by default

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