True/False:
Indicate whether the sentence or statement is true or false.
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1.
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The Java interpreter converts
source code into a binary program consisting of bytecode.
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2.
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Everything that you use within
a Java program must be part of a class.
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3.
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A class name cannot be a Java
reserved keyword, such as public or class.
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4.
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Either First.java or
first.java is an appropriate file name for the First class.
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Multiple Choice:
Identify the choice that best completes the statement or answers the
question.
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5.
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The term ____ refers to the
grammatical rules of a programming language.
a. | structure | c. | semantics | b. | logic | d. | syntax | |
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6.
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A(n) ____ translates an entire
program before executing it.
a. | executor | c. | interpreter | b. | translator | d. | compiler | |
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7.
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The ____ programming language
is both compiled and interpreted.
a. | C++ | c. | Visual Basic | b. | Java | d. | Assembly | |
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8.
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Writing ____ programs
involves creating classes.
a. | model | c. | paradigm | b. | procedural | d. | object-oriented | |
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9.
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A program written in Java is
run on a standardized hypothetical computer called the ____.
a. | Java virtual machine | c. | interpreter | b. | Java
hypercube | d. | translator | |
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10.
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Java ____ applications support
character output to a computer screen in a DOS window.
a. | console | c. | Web-based | b. | windowed | d. | mainframe | |
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11.
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Arguments to methods appear
within ____.
a. | parentheses | c. | semicolons | b. | brackets | d. | colons | |
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12.
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Within the statement
System.out.println("First Java application");, out is a(n) ____.
a. | method | c. | object | b. | procedure | d. | class | |
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13.
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Which one of the following is
an illegal class name in Java?
a. | Employee | c. | Budget2002 | b. | Checking Account | d. | class1 | |
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14.
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By convention, a Java class
starts with a(n) ____.
a. | asterisk | c. | lowercase letter | b. | uppercase letter | d. | digit | |
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15.
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The reserved keyword ____ is an
access modifier.
a. | continue | c. | class | b. | import | d. | public | |
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16.
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Any characters placed after two
____ at the start of a line are ignored by the compiler.
a. | asterisks | c. | ampersands | b. | backslashes | d. | forward slashes | |
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17.
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Block comments start with
____.
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18.
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What is the output of the
following program?
public class Test {
public static void main(String []
args) {
System.out.println("Hello java programmers");
//System.out.println("I am just testing!");
}
}
a. | Hello Java programmers | c. | I am just testing! | b. | Hello java programmers
I am just testing! | d. | Hello java
programmers | |
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19.
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A Java program named
Person.java will compile using which of the following commands?
a. | java Person.java | c. | javac Person.java | b. | javac Person | d. | java Person | |
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20.
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After successfully compiling
Person.java, the program will run using the command ____.
a. | java Person | c. | java Person.class | b. | javac Person.java | d. | javac Person.class | |
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21.
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What is the output of the
following program?
public class JavaRules {
public static void main(String []
args) {
System.out.println("Java ");
System.out.println("rules!");
}
}
a. | Java
rules! | b. | Java rules | c. | Java rules! | d. | No output; the program would not compile
because of a syntax error | |
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22.
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Which of the following
arguments to exit ( ) indicates an application ended successfully?
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23.
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The showMessageDialog( )
method requires ____ argument(s).
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24.
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The ____ is the first program
to detect the violation of language rules.
a. | compiler | c. | assembler | b. | interpreter | d. | operating system | |
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25.
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If a program compiles but
produces incorrect results, it has a(n) ____ error.
a. | syntax | c. | primary | b. | logic | d. | first order | |
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Completion
Complete each sentence or statement.
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26.
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In programming, named computer
memory locations are called ____________________ because they hold values that might
vary.
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27.
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____________________ group
individual operations in a program into logical units.
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28.
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____________________, both in
the real world and in software, are made of attributes and methods.
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29.
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Programs that are embedded in a
Web page are called Java ____________________.
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30.
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Program ____________________
are non-executing statements added to a program for documentation purposes.
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Matching
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Match each item with a
statement below.
a. | Attributes | f. | static | b. | Inheritance | g. | dialog box | c. | Literal
string | h. | Encapsulation | d. | Source
code | i. | import | e. | Polymorphism | |
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31.
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Sequence of characters enclosed
by single quotes.
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32.
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Statement used when you want to
access a built-in Java class that is contained in a package.
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33.
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The interpretation of the same
word by the context in which it is used.
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34.
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GUI object resembling a window
that displays messages.
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35.
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Reserved keyword that indicates
a method may be accessed independent of an object.
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36.
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The characteristics that define
an object.
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37.
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Hiding data and methods within
an object.
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38.
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Feature by which a new class
may derive attributes and methods from an existing class.
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39.
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Programming statements written
in a high-level language.
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Short
Answer
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40.
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Describe the concept of machine
language. What problems are inherent to programming in machine language?
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41.
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Describe line
comments.
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42.
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Describe block
comments.
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43.
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How do you save a Java
class?
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44.
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After writing and saving an
application, what two steps must occur before you can view the application’s
output?
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45.
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Explain that concept of a logic
error.
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