Chapter 3

Question 1

Application Programming Interface (API)

Answer 1

A set of related classes that supports a particular aspect of programming

Question 2

Autoboxing

Answer 2

The automatic conversion of a primitive type to an object of its corresponding wrapper class

Question 3

Class Library

Answer 3

A set of classes that supports the development of programs

Question 4

Constructor

Answer 4

A special method that has the same name as the class and is called when an object is created to set up the object initially

Question 5

Enumerated Type

Answer 5

A Java data type in which all values of the type are explicitly listed

Question 6

Garbage Collection

Answer 6

The process of reclaiming memory space that can no longer be used by a program

Question 7

Immutable

Answer 7

An object who data (state) cannot be modified once it is created

Question 8

Import Declaration

Answer 8

A programming statement used to specify which external classes (from which packages) are used in a program

Question 9

Instance

Answer 9

An object. An object is an instance of a class

Question 10

Intsantiation

Answer 10

The process of creating a new object

Question 11

Package

Answer 11

A language-level organization mechanism for classes, Each class in the Java API belongs to a particular package

Question 12

Pseudorandom Number Generator

Answer 12

A program element that performs calculations to produce a series of numbers in seemingly random order

Question 13

Wrapper Class

Answer 13

A class that corresponds to a particular primitive data type