True/False
Indicate whether the sentence or statement is true
or false.
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| 1. | A
reference variable can be compared to the null value.
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| 2. | Method names have the same syntax as other Java identifiers.
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| 3. | Suppose the Boolean variables P, Q, and
R have values of false, true, and false, respectively. The value of the expression
P
&& ( Q || R ) would be true.
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| 4. | In
the expression (p || q), if p is true, then there is no need to evaluate
q.
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| 5. | In a
printf statement, a format specifier in the format string and the
corresponding expression must match in position and type.
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| 6. | The
String class’s format method takes the same arguments as the printf method.
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| 7. | In a
try-catch statement, all of the code within the try block will always be executed.
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| 8. | An
HTML <P> tag must have a corresponding </P> tag.
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| 9. | You
should use other markup tags within a chunk of preformatted text in an HTML document.
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| 10. | Applets can access local files on a machine.
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Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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| 11. | The
combining of data and behavior into a single software package is called ____. a. | encapsulation | c. | instantiation | b. | invocation | d. | information hiding | | | | |
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| 12. | Class
definitions usually begin with the keyword ____, indicating that the class is accessible to all
potential clients. a. | accessible | c. | private | b. | public | d. | global | | | | |
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| 13. | At
the root (base) of Java’s class hierarchy is a class called ____. a. | Java | c. | Class | b. | Object | d. | Root | | | | |
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| 14. | ____
variables can be declared in a method to provide temporary working storage for data in the
method. a. | Global | c. | Instance | b. | Local | d. | Internal | | | | |
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| 15. | A
loop ____ is an assertion that expresses a relationship between variables that remains constant
throughout all iterations of the loop. a. | constant | c. | variant | b. | inconstant | d. | invariant | | | | |
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| 16. | Java
5.0 includes the method ____ for formatting output. a. | print | c. | printf | b. | println | d. | printFormatted | | | | |
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| 17. | Format specifier codes begin with the ____ character.
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| 18. | Consider the following code:
int idNum = 758;
double wage = 10.5;
printf(“The wage for employee %d is $%.2f per hour.”,
idNum, wage);
The output of the printf statement would
be ____. a. | The wage for
employee 10.50 is $758 per hour. | b. | The wage for employee 758 is $10.50 per
hour. | c. | The wage for employee 758 is $10.5 per
hour. | d. | The wage for employee 758.00 is $10 per
hour. | | |
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| 19. | In
HTML, ____ are used to indicate the format of textual elements or links to other
nodes. a. | format
specifiers | c. | markup
tags | b. | format
flags | d. | markup
specifiers | | | | |
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| 20. | Which
of the following illustrates the minimal HTML structure for an HTML document? a. | <HEAD>
<TITLE>
the title goes here </TITLE>
</HEAD>
<BODY>
the text
for the document goes here
</BODY> | b. | <HTML>
<HEAD>
<TITLE> the title goes here
</TITLE>
</HEAD>
</HTML> | c. | <HTML>
<HEAD>
<TITLE> the title goes here
</TITLE>
</HEAD>
<BODY>
the text for the document goes
here
</BODY>
</HTML> | d. | <HTML>
<BODY>
the text for the document goes
here
</BODY>
</HTML> | | |
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| 21. | In
HTML, the escape sequence for an ampersand (&) is ____.
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| 22. | There
are ____ types of lists that can be displayed in an HTML page.
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| 23. | The
HTML markup tag for a link is ____. a. | <LINK> | c. | <ANCHOR> | b. | <A> | d. | <L> | | | | |
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| 24. | A(n)
____ path name specifies the exact position of a file in the computer’s directory
structure. a. | absolute | c. | final | b. | relative | d. | complete | | | | |
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| 25. | The
JApplet method ____ can be used to locate and return the URL of the
applet’s Web server. a. | getServer() | c. | getURL() | b. | getDocumentBase() | d. | getHost() | | | | |
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