Chapter 2 - Programming By Example

Question 1

What are statements?

Answer 1

The steps that the method performs, which are listed between the curly braces

Question 2

Reductionism

Answer 2

Philosophical principle that the whole of an object can be be understood by understanding the parts that make it up

Question 3

Holistic

Answer 3

Philosophical principle that the whole is often more than the sum of its parts.

Question 4

Variable

Answer 4

A placeholder for some piece of data whose value is unknown when the program is written.

Question 5

What do programmers often use to indicate values assigned to variables

Answer 5

boxes

Question 6

Inheritance

Answer 6

The property of taking on the behavior of the superclass

Question 7

overriding a method

Answer 7

redefining an existing method so that it does something different from that in it’s superclass

Question 8

An expression in java is composed of?

Answer 8

terms of operators.

Question 9

Syntax for declaring a variable

Answer 9

type identifier = expression

Question 10

Instance variables

Answer 10

variables declared in a class but outside of any method

Question 11

class variables

Answer 11

defined at the class level rather than the method

Question 12

static keyword

Answer 12

indicates the declaration introduces a class variable rather than an instance variable

Question 13

What do you need to use to assign a new value to a variable

Answer 13

assignment statement

Question 14

Instance Variables

Answer 14

Hold the state

Question 15

Methods that return types of Boolean

Answer 15

Predicate

Question 16

Process of calling a predicate method is analogous to

Answer 16

Asking a yes/no question and getting an answer