Java Ch 4
More Object Concepts
Terms
undefined, object
copy deck
- this Reference
- reference to an object that is passed on to any object's nonstatic class method
- Fundamental Classes
- basic classes contained in the java.lang package that are automatically imported into every program you write
- Class Variables
- static variables that are shared by every instantiation of a class
- Overloading
- using one term to indicate diverse meanings, or writing multiple methods with the same name but with different arguments
- Reference
- objects memory address
- Symbolic Constant
- field that holds a fixed value
- Optional Classes
- reside in packages that must be explicitly imported into your programs
- Package
- library of classes
- Class Methods
- static methods that do not have a 'this' reference
- Block
- code between pair of curly braces
- Scope
- portion of a program within which you can refer to the variable
- Methods Signature
- combination of the method name and the number, types, and order of arguments
- Library of Classes
- folder that provides a convenient grouping for classes