| A | B |
|---|
| variable | An item of data named by an identifier. Each variable has a type, such as int or Object, and a scope. See also class variable, instance variable, local variable. |
| declaration | A statement that establishes an identifier and associates attributes with it, without necessarily reserving its storage (for data) or providing the implementation (for methods). See also definition. |
| scope | A characteristic of an identifier that determines where the identifier can be used. Most identifiers in the Java(TM) programming environment have either class or local scope. Instance and class variables and methods have class scope; they can be used outside the class and its subclasses only by prefixing them with an instance of the class or (for class variables and methods) with the class name. All other variables are declared within methods and have local scope; they can be used only within the enclosing block. |
| reference | A data element whose value is an address. |
| member | A field or method of a class. Unless specified otherwise, a member is not static. |
| local variable | A data item known within a block, but inaccessible to code outside the block. For example, any variable defined within a method is a local variable and can't be used outside the method. |
| final | A Java(TM) programming language keyword. You define an entity once and cannot change it or derive from it later. More specifically: a final class cannot be subclassed, a final method cannot be overridden and a final variable cannot change from its initialized value. |
| binary operator | An operator that has two arguments. |
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| protected | A Java(TM) programming language keyword used in a method or variable declaration. It signifies that the method or variable can only be accessed by elements residing in its class, subclasses, or classes in the same package. |
