CH 3+4 Java
Which of the following is NOT an initial value assigned to an object's data field by a default constructor?
Boolean fields set to true
____ variables are variables that are shared by every instantiation of a class.
Class
____ parameters are variables in a method declaration that accept the values from the actual parameters.
Formal
____ is a principle of object-oriented programming that describes the encapsulation of method details within a class.
Implementation hiding
____ involves using one term to indicate diverse meanings, or writing multiple methods with the same name but with different parameter lists.
Overloading
The arguments in a method call are often referred to as ____.
actual parameters
For ease in locating class methods, many programmers store them in ____ order.
alphabetical
Within any class or method, the code between a pair of curly braces is called a(n) ____.
block
A variable comes into existence, or ____, when you declare it.
comes into scope
When an object of one class is a data field within another class, they are related by ____.
composition
A(n) ____ method is a method that creates and initializes class objects.
constructor
The name of the ____ is always the same as the name of the class whose objects it constructs.
constructor
A method header is also called a(n) _____.
declaration
A(n) ____ constructor is one that requires no arguments.
default
Public classes are accessible by all objects, which means that public classes can be ____, or used as a basis for any other class.
extended
If you want all objects to share a single nonchanging value, then the field is static and ______.
final
Method names that begin with ____ and set are very typical.
get
When a variable ceases to exist at the end of a method, programmers say the variable ____.
goes out of scope
After an object has been instantiated, its methods can be accessed using the object's _____, a dot, and a method call.
identifier
The ____ statement notifies the program that you will be using the data and method names that are part of the imported class or package.
import
Methods used with object instantiations are called ____ methods.
instance
The ____ package contains is implicitly imported into Java programs and is the only automatically imported, named package.
java.lang
The ____ method executes first in an application, regardless of where you physically place it within its class.
main
When an application is run, the method that must be executed first must be named ____.
main()
A locally declared variable always ____ another variable with the same name elsewhere in the class.
masks
Every object is a _____ of a more general class.
member
When you instantiate an object from a class, ____ is reserved for each instance field in the class.
memory
A(n) ____ is a program module that contains a series of statements that carry out a task.
method
When they have the same name, variables within ____ of a class override the class's fields.
methods
In order to allocate the needed memory for an object, you must use the ____ operator.
new
If a class's only constructor requires an argument, you must provide an argument for every ____ of the class that you create.
object
When you properly ____ a method, you can call it providing different argument lists, and the appropriate version of the method executes.
overload
Object-oriented programmers use the term ____ when a child class contains a field or method that has the same name as one in the parent class.
override
When an application contains just one version of a method, you can call the method using a(n) ____ of the correct data type.
parameter
A(n) ____ causes a value to be sent from a called method back to the calling method.
return statement
The compiler determines which version of a method to call by the method's ____.
signature
It is not necessary to create an instance of the Math class because the constants and methods of the class are ____.
static
It is a convenience to be able to use one reasonable name for ____ that are functionally identical except for argument types.
tasks
The reference to an object that is passed to any object's nonstatic class method is called the ____.
this reference
You can use the asterisk (*) as a ____, which indicates that it can be replaced by any set of characters.
wildcard symbol
