Ch. 9

Question 1

Object

Answer 1

A collection of related data that comes with a set of methods that operate on the data

Question 2

Primitive

Answer 2

A data type that stores a single value and provides no methods

Question 3

Immutable

Answer 3

An object that, once created, cannot be changed. Strings are immutable by design

Question 4

Wrapper class

Answer 4

Classes in java.lang that provide classes and methods for dealing with primitive types

Question 5

Parse

Answer 5

To read a String and interpret or translate it

Question 6

Empty Array

Answer 6

An array with no elements and a length of 0

Question 7

Design Process

Answer 7

A process for determining what methods a class or program should have

Question 8

Encapsulate

Answer 8

To wrap data inside of an object, or to wrap statements inside of a method

Question 9

Generalize

Answer 9

To replace something unnecessarily specific (like a constant) with something appropriately general (like a variable or parameter)