http://docs.oracle.com/javase/tutorial/information/glossary.html
field :A data member of a class. Unless specified otherwise,a field is not static.
member:A or of a class. Unless specified otherwise,a member is not static.
method:A function defined in a class. See also , . Unless specified otherwise,a method is not static.
variable :An item of data named by an identifier. Each variable has a type,such as int or Object,and a scope. See also , , information/glossary.html#local%20variable">local variable.
property:characteristics of an object that users can set,such as the color of a window.
attribute:Not listed in the above glossary
