Chapter 1

Question 1

A set of written instructions that tells the computer what to do

Answer 1

Computer Program

Question 2

– The most basic circuitry-level language

– A low-level programming language

Answer 2

Machine Language

Question 3

Allows you to use a vocabulary of reasonable terms

Answer 3

High-level programming language

Question 4

A specific set of rules for the language

Answer 4

Syntax

Question 5

– Similar to English sentences

– Commands to carry out program tasks

Answer 5

Program statements

Question 6

Translates language statements into machine code

Answer 6

Compiler or Interpreter

Question 7

– Misuse of language rules

– A misspelled programming language word

Answer 7

Syntax Error

Question 8

Freeing program of all errors

Answer 8

Debugging

Question 9

– Also called semantic errors
– Incorrect order or procedure
– The program may run but provide inaccurate output

Answer 9

Logic Errors

Question 10

Sets of operations executed in sequence

Answer 10

Procedural Programming

Question 11

Individual operations grouped into logical units

Answer 11

Procedures

Question 12

Used to create classes, objects from classes, and applications

Answer 12

Object-oriented programs

Question 13

Blueprints for an objects

Answer 13

Classes

Question 14

• Polymorphism
• Inheritance
• Encapsulation

Answer 14

Ways that object-oriented programming differs from traditional procedural programming

Question 15

–Computer simulations

–Graphical user interfaces (GUIs)

Answer 15

Object-oriented programming was used most frequently for these two major types of applications

Question 16

–Describes objects with common properties
–A definition
–An instance

Answer 16

Class

Question 17

–Characteristics that define an object
–Differentiate objects of the same class
–The value of attributes is an object’s state

Answer 17

Attributes

Question 18

Specific, concrete instances of a class

Answer 18

Object

Question 19

–A self-contained block of program code that carries out an action
–Similar to a procedure

Answer 19

Method

Question 20

–Conceals internal values and methods from outside sources
–Provides security
–Keeps data and methods safe from inadvertent changes

Answer 20

Encapsulation

Question 21

–An important feature of object-oriented programs
–Classes share attributes and methods of existing classes but with more specific features
–Helps you understand real-world objects

Answer 21

Inheritance

Question 22

–Means “many forms”

–Allows the same word to be interpreted correctly in different situations based on context

Answer 22

Polymorphism

Question 23

• Security features

* Architecturally neutral

Answer 23

Advantages of the Java Programming Language

Question 24

–Developed by Sun Microsystems
–An object-oriented language
–General-purpose
–Can be run on a wide variety of computers
–Does not execute instructions on the computer directly
–Runs on a hypothetical computer known as a Java Virtual Machine (JVM)

Answer 24

Features of the Java Programming Language

Question 25

Programming statements written in high-level programming language

Answer 25

Source Code

Question 26

A set of tools used to write programs

Answer 26

Development Environment

Question 27

–Statements saved in a file | –A binary program into which the Java compiler converts source code

Answer 27

Bytecode

Question 28

–Checks bytecode and communicates with the operating system | –Executes bytecode instructions line by line within the Java Virtual Machine

Answer 28

Java Interpreter

Question 29

Programs embedded in a Web page

Answer 29

Applets

Question 30

–Called Java stand-alone programs –Console applications •Support character output

Answer 30

Java applications

Question 31

* Menus * Toolbars * Dialog boxes

Answer 31

Windowed Applications

Question 32

–Will appear in output exactly as entered | –Written between double quotation marks

Answer 32

Literal String

Question 33

Pieces of information passed to a method

Answer 33

Arguments

Question 34

Requires information to perform its task

Answer 34

Method

Question 35

Refers to the standard output device for a system

Answer 35

System Class

Question 36

Every Java statement ends with a _________.

Answer 36

semicolon

Question 37

________ separate classes, objects, and methods.

Answer 37

dots

Question 38

Method names are always followed by __________.

Answer 38

parentheses

Question 39

In the statement: System.out.println("First Java Application"); , "First Java Application" is an example of a ________ __________ and is an _________ to the println method.

Answer 39

literal string, | argument

Question 40

Everything used within a Java program must be part of a ____________.

Answer 40

class

Question 41

Define a Java class using any ______ or ________.

Answer 41

name, identifier

Question 42

``` –Must begin with one of the following: •Letter of the English alphabet •Non-English letter (such as α or π) •Underscore •Dollar sign –Cannot begin with a digit –Can only contain: •Letters •Digits •Underscores •Dollar signs –Cannot be a Java reserved keyword –Cannot be true, false, or null ```

Answer 42

Requirements for identifiers

Question 43

Defines how a class can be accessed

Answer 43

Access Specifier

Question 44

``` –A reserved keyword –Means the method is accessible and usable even though no objects of the class exist ```

Answer 44

static

Question 45

–Used in the main() method header –Does not indicate the main() method is empty –Indicates the main() method does not return a value when called –Does not mean that main() doesn’t produce output

Answer 45

void