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Java class variable
subject			fact

Java class variable	can serve as a global variable
	is a subtopic of The Basics of Java
	is accessed by specifying the name of the class, followed by a dot, followed by the name of the variable
	is declared in the body of the class (not inside a method)
	is marked as static
	is a kind of class variable
	is a kind of Java variable
Java variable	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
class variable	has a value that is shared by all instances of a class
	has purpose 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
	is shared by all instances of the class
	should not be overused
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

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