Deck 2: First Java Programs

Question 1

UNIX is available on any Macintosh computer that runs MacOS X.

Answer 1

True

Question 2

Which of the following is NOT true about Java?

A) Java is an object-based language.
B) Java creates programs that are portable.
C) The Java compiler translates into machine language.
D) Java supports threads.

Answer 2

C

Question 3

Java programs accomplish many tasks by sending messages to objects.

Answer 3

True

Question 4

The main factor affecting a program's readability is misspelled words.

Question 5

GUI is the machine language for an imaginary Java computer. ____________________

Question 6

The terminal I/O user interface is familiar to all PC users. ____________________

Question 7

To run Java byte code, you must install a(n) ____.

A) GUI
B) JIT
C) IDE
D) JVM

Question 8

A(n) ____ is a process that can run concurrently with other processes.

A) applet
B) thread
C) interpreter
D) parameter

Question 9

Parameters are used to share information between objects. ____________________

Question 10

The main advantage of a compiler is that any computer can run it. ____________________

Question 11

Syntax errors is another term for compile-time errors. ____________________

Question 12

Graphics and GUI programs in Java can run either as stand-alone applications or as applets.

Question 13

Java applets have little risk of infecting your computer with a virus.

Question 14

Source code is the bulk of the instructions of a program.

Question 15

Java is all of the following EXCEPT ____.

A) fast
B) secure
C) robust
D) portable

Question 16

In Java, as in algebra, addition and subtraction have a higher precedence than multiplication and division .

Question 17

Java is ideally suited to developing distributed, network-based applications.

Question 18

A(n) ____ is a program that behaves like a computer.

A) interpreter
B) compiler
C) terminal I/O
D) applet

Question 19

A DOS development environment combines an editor, Java compiler, debugger, and a JVM.

Question 20

Java bears a superficial resemblance to C++.

Question 21

____ is an editor available with Microsoft Windows.

A) Linux
B) UNIX
C) BlueJ
D) Notepad

Question 22

A(n) ____________________ is a programmer who breaks into computer systems in an unauthorized way.

Question 23

____________________ is the fastest growing programming language in the world.

Question 24

In the ____________________ layout, the default layout manager for frames, you can arrange up to five objects.

Question 25

A ____ is used to mark the end of each statement in a program.

A) comma (,)
B) slash (/)
C) period (.)
D) semicolon (;)

Question 26

Colors in most computer systems use the ____ scheme.

A) color class
B) RGB
C) CMYK
D) GUI

Question 27

FIGURE 2-1
Figure 2-1 above represents a(n) ____ user interface.

A) GUI
B) JVM
C) terminal I/O
D) variable

Question 28

Lucia decides to use the ____ development environment so that she can increase her productivity.

A) JGrasp
B) Notepad
C) DOS
D) UNIX

Question 29

A(n) ____ is a small Java program that runs on Web pages.

A) JIT
B) parameter
C) JVM
D) applet

Question 30

FIGURE 2-2
Figure 2-2 above represents a(n) ____ user interface.

A) GUI
B) JVM
C) terminal I/O
D) variable

Question 31

The three steps to writing and running a program, in order, are ____.

A) enter, edit, compile
B) edit, execute, compile
C) edit, compile, execute
D) enter, interpret, compile

Question 32

A(n) ____ has a container or pane that can be filled with other objects.

A) JFrame
B) panel
C) window
D) IDE

Question 33

The main factor affecting a program's readability is its ____.

A) layout
B) spelling
C) language
D) development environment

Question 34

SomeClass someObject = new SomeClass (some parameters); is an example of ____.

A) assignment
B) instantiation
C) byte code
D) interpretation

Question 35

All of the following are benefits of using a terminal I/O interface EXCEPT ____.

A) In Java, it is easier to implement than GUI.
B) It is more common and familiar.
C) Some programming situations require a terminal I/O interface.
D) Terminal-oriented programs are similar to programs that process files of sequentially organized data.

Question 36

____ is an assignment operator.

A) +
B) *
C) =
D) All of the above.

Question 37

Some JVMs translate byte code instructions into machine language when they are first encountered, using the ____ technique.

A) IDE
B) JIT
C) variable
D) interpreter

Question 38

All of the following are examples of integrated development environments, EXCEPT ____.

A) BlueJ
B) Eclipse
C) JFrame
D) JGrasp

Question 39

The string of characters that appears between the parentheses following the message in Java code is called a(n) ____.

A) parameter
B) statement
C) variable
D) thread

Question 40

A comical animated character on a Web page is likely run using a program called a(n) ____________________.

Question 41

Identify the letter of the choice that best matches the phrase or definition.
a.Applet
b.GUI
c.IDE
d.Pane
e.Byte code
Eclipse is an example.

Question 42

Identify the letter of the choice that best matches the phrase or definition.
a.Applet
b.GUI
c.IDE
d.Pane
e.Byte code
Familiar interface for PC users.

Question 43

Identify the letter of the choice that best matches the phrase or definition.
a.Applet
b.GUI
c.IDE
d.Pane
e.Byte code
An example could be a continuous stream of stock quotes.

Question 44

In the ____________________ layout, objects are arranged in rows and columns.

Question 45

List at least three reasons why Java is used by companies such as Sun and IBM to develop their major applications. Why might a programmer choose another language?

Question 46

Identify the letter of the choice that best matches the phrase or definition.
a.Applet
b.GUI
c.IDE
d.Pane
e.Byte code
To run this, you must install a JVM on the computer.

Question 47

Identify the letter of the choice that best matches the phrase or definition.
a.Applet
b.GUI
c.IDE
d.Pane
e.Byte code
Windows are often organized into many of these.