NTOPR151 L1

The data items of an object are also known as _____________.

• Fields

• Functions

• Themes

• Instances

You send messages or information to an object through the _____________.

• Fields

• Methods

• Classes

• Type

A program or class that instantiates objects of another predefined class is a _____________.

• Client class

• Super class

• Object

• Protector

The body of a class is always written _____________.

• In a single line, as the first statement in a class

• Within parentheses

• Between curly braces

• As a method call

Most class data fields are _____________.

• Private

• Public

• Static

• Final

The concept of allowing a class's private data to be changed only by the class's own methods is known as _____________.

• Structured logic

• Object orientation

• Information hiding

• Data masking

Suppose you declare an object as Book myJournal;. Before you store data in myJournal, _____________.

• You must also explicitly allocate memory for it

• You do not need to explicitly allocate memory for it

• You only need to explicitly allocate memory for it if it has a constructor

• You cannot explicitly allocate memory for it

If a class is named Student, the name of the class constructor is _____________.

• Any valid Java identifier

• Any valid Java identifier that starts with S

• StudentConstructor()

• Student()

When you use the automatically provided default constructor when creating an object, _____________.

• int fields are set to 0 (zero)

• char fields are set to empty

• Boolean fields are set to true

• String fields are set to spaces

If you declare a variable as an instance variable within a class, and you declare and use the same variable name within a method of the class, then _____________ within the method.

• The variable used within the method takes precedence

• The class instance variable takes precedence

• The two variables refer to a single memory address

• An error will occur