Test 1

Question 1

Accesor Method

Answer 1

gets a value from a specified location

Question 2

OS

Answer 2

operating system

Question 3

Mutator Method

Answer 3

sets a value for a given variable

Question 4

Constructor

Answer 4

a method type that creates a new object

Question 5

Default constructor

Answer 5

called when there is no constructor written, sets all the object’s fields to 0 and all booleans to false

Question 6

Copy Constructor

Answer 6

calls a constructor to set the values of the new object to those of another object. Shallow only copies the data’s location, while deep copies the data itself

Question 7

Instance field

Answer 7

Data which an instance method uses and acts upon

Question 8

Class

Answer 8

contains a program

Question 9

Object

Answer 9

a set of data which is acted upon

Question 10

this

Answer 10

reference variable used by an object to refer to itself

Question 11

Static Method

Answer 11

a program that you put values into and get another value out of

Question 12

De Morgan’s Law

Answer 12

!((x >= -3) && (x > 5)) == (x < -3) || (x >= -5)

Question 13

Boolean operators

Answer 13

|| && if else if-else

Question 14

Relational operators

Answer 14

> , =, <>

Question 15

Data Primitive

Answer 15

int, double, float, short, long, boolean

Question 16

Key Word

Answer 16

a word or phrase which has a dedicated meaning or process assigned to it

Question 17

Type Cast

Answer 17

forces a data type to convert, such as float to int

Question 18

Assignment operator

Answer 18

assigns a value to a variable

Question 19

Truncation

Answer 19

removes part of a number or lessens the accuracy of a number. Usually occurs when float to int removes numbers left of the decimal

Question 20

Round-off

Answer 20

rounding a number?

Question 21

Concatenation of Strings

Answer 21

adding two strings together

Question 22

Overloading

Answer 22

using the same constructor for many objects

Question 23

Null reference

Answer 23

when no values are assigned to a new variable, it is assigned a null

Question 24

Method header line components

Answer 24

(public, private, etc)(if static, static)(return type) (argument)

Question 25

Constructor header line components

Answer 25

(public, private) void (name(parameters))

Question 26

Complement operator

Answer 26

opposite operation to a relational operator

Question 27

IEEE Floating point

Answer 27

way of storing floating point numbers. exponent value followed by mantissa

Question 28

Mantissa

Answer 28

number values without the exponent factor

Question 29

exponent

Answer 29

gives the decimal placement value for the mantissa

Question 30

ternary operator

Answer 30

an operator that requires three operators

Question 31

conditional operator

Answer 31

?, replaces an if-else statement (argument)?if true: else

Question 32

bit

Answer 32

a one or a zero in binary

Question 33

nibble

Answer 33

a set of 4 bits

Question 34

byte

Answer 34

a set of 8 bits

Question 35

word

Answer 35

one unit of whatever you are measuring

Question 36

syntax error

Answer 36

an error in the way that a program is phrased

Question 37

logic error

Answer 37

an error in the way that a program runs

Question 38

compiler

Answer 38

converts human readable text to binary

Question 39

algorithm

Answer 39

set of well defined steps for performing an operation

Question 40

program

Answer 40

set of instruction that enable a computer to perform a task

Question 41

Java Byte Code

Answer 41

an intermediate language which then translates into machine language

Question 42

Java Virtual Machine

Answer 42

Program that reads Java byte code instructions and executes them

Question 43

pseudo-code

Answer 43

uses conventions of a programming language to explain a program