True/False
Indicate whether the
statement is true or false.
|
|
|
1.
|
Java is the fastest growing programming language in the world.
|
|
|
2.
|
Java runs faster than most modern programming languages.
|
|
|
3.
|
GUI is an acronym for Graphical User Interface.
|
|
|
4.
|
Terminal I/O is no longer used, therefore familiarity with it is not
necessary.
|
|
|
5.
|
Colons (:) mark the end of each statement in a Java program.
|
|
|
6.
|
The name of the text file with Java source code must match the name of the
program with a .class extension.
|
|
|
7.
|
The javac command compiles a Java program.
|
|
|
8.
|
The Java keyword new is used to instantiate an object.
|
|
|
9.
|
The Java message System.out.print("hello") will place
the cursor on the beginning of the next line.
|
|
|
10.
|
The period ( . ) in System.out is a method selector.
|
|
|
11.
|
Just-in-time compilation (JIT) translates Java byte code into machine language
when they are first encountered so that the next time the instruction is encountered it is executed
fast machine code, rather than being interpreted.
|
|
|
12.
|
Highly readable programs are not necessary, since programs are usually
maintained by the same programmer who originally wrote it.
|
Multiple Choice
Identify the
choice that best completes the statement or answers the question.
|
|
|
13.
|
Java incorporates the good features of which two programming languages, while
omitting the less desirable ones?
a. | C++, COBOL | c. | C++, Smalltalk | b. | Visual Basic, Smalltalk | d. | COBOL, Visual
Basic |
|
|
|
14.
|
It is easy for a programmer who knows what language to learn Java?
a. | Assembly Language | c. | Scheme | b. | Lisp | d. | C++ |
|
|
|
15.
|
The Java compiler translates Java source code into:
a. | Java byte code | c. | assembly language | b. | machine language | d. | C++ |
|
|
|
16.
|
To run Java byte code on a particular computer you must install what on that
computer?
a. | Java compiler | c. | Java Virtual Machine | b. | Word processor | d. | Java Applet |
|
|
|
17.
|
Small Java programs downloaded from web pages are called:
a. | threads | c. | servlets | b. | GUI's | d. | applets |
|
|
|
18.
|
What is the name of an object that knows how to display or print characters in a
terminal window?
a. | println | c. | monitor | b. | System.out | d. | HelloWorld |
|
|
|
19.
|
What character is the method selector operator in Java?
a. | period ( . ) | c. | semicolon ( ; ) | b. | comma ( , ) | d. | colon ( : ) |
|
|
|
20.
|
What are the three steps to entering a program into a computer and running
it?
a. | Edit, Compile, Debug | c. | Edit, Debug, Execute | b. | Compile, Interpret, Execute | d. | Edit, Compile,
Execute |
|
|
|
21.
|
Which of the following is NOT an integrated Development Environment
(IDE)?
a. | Visual Cafe | c. | UNIX command line | b. | Visual J++ | d. | JBuilder |
|
|
|
22.
|
What command runs a Java program that has already been compiled?
a. | javac | c. | run | b. | javar | d. | java |
|
|
|
23.
|
The statement telling the Java compiler where to find a complete specification
of a class is:
a. | new | c. | class | b. | import | d. | void |
|
|
|
24.
|
The Java compiler will ignore everything after what symbol?
|
|
|
25.
|
What is the Java mechanism for repeating a group of statements?
a. | for loop | c. | import statement | b. | TurtleGraphics | d. | variable |
|
Completion
Complete each
statement.
|
|
|
26.
|
A _________ is a process that can run concurrently with other processes.
|
|
|
27.
|
A program is a sequence of instructions or, ___________ _______ for a
computer.
|
|
|
28.
|
Values in the parentheses following a message to an object are called
_______________.
|
|
|
29.
|
Mistakes in source code detected by the compiler are called _________
errors.
|
|
|
30.
|
A _____________ names a location in RAM in which a value can be stored.
|