1.2 & 1.3

Question 1

is an object for sending output to the screen.

Answer 1

System.out

Question 2

is a method to print whatever is in parentheses to the screen.

Answer 2

println

Question 3

the object performs an action when you _____ or _____ one of its methods.

Answer 3

invoke or call

Question 4

the person who interacts with the program is called…

Answer 4

the user

Question 5

T or F: A java program consists of one or more classes, which must be compiled before running the program

Answer 5

true

Question 6

T or F: you need to compile classes that accompany Java (e.g. System and Scanner)

Answer 6

false, do not need to compile

Question 7

Each class should be in a seperate file and ending with _____

Answer 7

.java

Question 8

T or F: the name of the file doesn’t have to be the same as of the class

Answer 8

F, it has to be the same.

Question 9

IDE is short for

Answer 9

integrated development enviroment

Question 10

What is a IDE?

Answer 10

it is used to combine a text editor with commands for compiling and running java programs.

Question 11

T or F: after the java program is compiles, the byte-code version of the program will have a different name.

Answer 11

false, it will have the same name, but the ending is changed from .java to .class

Question 12

T or F: A java program can involve any number of classes.

Answer 12

true

Question 13

A java program can involve any number of classes, but the class to run will contain the words….. somewhere in the file

Answer 13

public static void main(String[] args);

Question 14

there are two kinds of java programs..

Answer 14

applications and applets

Question 15

applications are meant to be run on…..

Answer 15

your computer

Question 16

applets are meant to be run on…

Answer 16

the internet

Question 17

T or F: Applets are regular programs.

Answer 17

F, they are little applications. Applications are regular programs.

Question 18

T or F: Applets are not supported by many web browsers today.

Answer 18

true, as they are in favor of HTML5 and JavaScript.
they are also deprecated by Oracle.

Question 19

A _______ is a library of classes that have been defined already.

Answer 19

package

Question 20

Give an example of a package (library) and a class from the package

Answer 20

import java.util.Scanner;

-package: java.util

-class: Scanner

Question 21

the items inside paranthesises are called ______ and provide the info needed by methods.

Answer 21

arguments

Question 22

A ______ is something that can store data.

Answer 22

variable

Question 23

An instruction to the computer is called a ______ it ends with a semicolon.

Answer 23

statement;

Question 24

the grammar rules for a programming language are called the ________ of the language.

Answer 24

syntax

Question 25

What are the two known programming approaches?

Answer 25

the structured programming, and the object-oriented programming

Question 26

T or F: the Object-Oriented programming is also known as modular programming.

Answer 26

F, the structured programming is also known as...

Question 27

In the ________ programming, the problem is divided into smaller sub problems (______)

Answer 27

structured, modules

Question 28

In structured programming, each sub-problem is then ________ and _______.

Answer 28

analyzed, solved

Question 29

The solutions of all sub-problems, in structured programming, are then _______ to solve the overall problem.

Answer 29

combined

Question 30

Pascal, C, and Fortran are examples of ____________ programming languages.

Answer 30

programming model languages (structured).

Question 31

T or F: Java is an OOP language.

Answer 31

true

Question 32

OOP is short for

Answer 32

object-oriented programming

Question 33

In ____ language, the components (also called ____) of the problem are identified.

Answer 33

OOP, objects

Question 34

In OOP, for each object, it identifies the relevant data and operations (also called________) to be performed on that data.

Answer 34

methods

Question 35

In OOP, it defines the relationship betweeen each ______ and the other.

Answer 35

object

Question 36

Examples of OOP languages.

Answer 36

C++ and Java.

Question 37

T or F: programming is a creative process.

Answer 37

true

Question 38

(OOP/Structured programming) treats a program as a collection of objects that interact by means of actions.

Answer 38

OOP

Question 39

In OOP, the actions are called

Answer 39

methods

Question 40

In OOP, the objects of the same kind have the same type and belong to the same _____.

Answer 40

class

Question 41

T or F: In OOP, objects within a class have a common set of methods and the same kind of data, but each object cannot have it's own data values.

Answer 41

false, each object can have it's own data value

Question 42

What are the three primary design principles in OOP?

Answer 42

encapsulation, polymorphism, inheritance.

Question 43

An _______ describes the means of performing an action.

Answer 43

algorithm

Question 44

T or F: Algorithms usually are expressed in english and pseudocode.

Answer 44

true

Question 45

T or F: An algorithm is a set of instructions used to solve a problem

Answer 45

true

Question 46

T or F: Most programs are created by combining components that exist already.

Answer 46

true

Question 47

an error in a program is called a _____.

Answer 47

bug

Question 48

eliminating errors is called _______

Answer 48

debugging

Question 49

what are the three kinds of errors?

Answer 49

syntax error, run-time error, logic error

Question 50

______ errors are errors that are detected when your program is running, but not during compilation.

Answer 50

runtime

Question 51

example of a runtime error.

Answer 51

attempting to divide by 0

Question 52

______ are errors that are not detected during compilation or while running, but which cause the program to produce incorrect results

Answer 52

logic errors

Question 53

T or F: programs are not usually created entirely from scratch.

Answer 53

true.