Unit 3 - Objects

Question 1

class

Answer 1

a blueprint that provides one or more methods that are designed to perform the class’s task

Question 2

object

Answer 2

a version of a class with specific and unique attributes

Question 3

instance

Answer 3

one particular object of a class

Question 4

access modifier

including public and pirvate

Answer 4

help restrict the scope of a class, constructor, variable, method or data member

provides security and accessibility

Question 5

instance variable

field

Answer 5

a property, attribute, characteristic of a class

private methods

Question 6

constructor method

Answer 6

a special method that is used to initialize fields and associates the parameters with the fields

public method

Question 7

UML Class Diagram

Unified Modeling Language

Answer 7

a diagram that represents a class with methods and variables within them; contains three parts - name of class, -fields, +methods

Question 8

import statement

Answer 8

this is the process of bringing external data/content into the program to be used

Question 9

parameter

Answer 9

a variable in a fucntion definition; just a placeholder in the brackets; the constructor has one parameter for each field

Question 10

argument

Answer 10

the value that is sent to the method when it is called; when you use the constructor you pass the values

Question 11

set method

Answer 11

takes a parameter and assigns it to its field; one set method for each field; often referred to as a mutator

Question 12

get method

Answer 12

returns the value from our fields; referred to as an accessor

Question 13

primitive type

Answer 13

the basic types of data (e.g. boolean, byte, char, short, int, long, float, doubl)

not String

Question 14

reference type

Answer 14

data types that stores references or memory addresses rather than the actual value themselves; they include objects, arrays, strings; a data type that stores an object