Classes/Objects

A Java Object is

• Something in the operating system

• An instance of a class

• A template for a class

• The memory location of the main method

A java Class is

• A template or blueprint for an Object

• A group of like methods

• The constructor

• A formal parameter

The Class constructor has the same name as

• The object reference

• The program name

• The main method

• The class

The class constructor is run

• When the program starts

• When an object is instantiated

• During code compilation

• When the main method completes

Variables declared in a class, outside of a method are called

• Private variables

• Static variables

• Instance variables

• Reference variables

A class can have more than one constructor

• True

• False

The scope of a variable is defined as - where the variable can be accessed or seen

• True

• False

Private class variables can only be changed externally, by a call to

• The class constructor

• The object reference

• The Left Hand of Darkness

• A public method in the class

A Void method only returns a value when

• The return statement is the last statement in the method

• After successful completion of the method

• Never you fool - it's called Void for a reason

• If the parameter values satisfy the method conditions

The 'This' keyword refers to

• Public methods

• Private instance variables

• The current object

• Anything in the method scope