Question

1. Comments used to document code should:

   	A.	be used as little as possible
   	B.	be insightful and explain what the instruction's intention is
   	C.	only be included in code that is difficult to understand
   	D.	be used to define variables whose names are not easy to understand
   	E.	not be included with the program

2 points   

QUESTION 2

1. The main method for a Java program is defined by:

   	A.	public static main( )
   	B.	public static main(String[ ] args);
   	C.	public static main(String[ ] args)
   	D.	private static main(String[ ] args)
   	E.	none of the above

2 points   

QUESTION 3

1. What is the result when the following line of Java code is executed:

   System.out.println("Hello");

   	A.	Do nothing
   	B.	Cause Hello to be output
   	C.	Cause a syntax error
   	D.	Cause "(Hello)" to be output
   	E.	There is no way to know without executing this line of code.

2 points   

QUESTION 4

1. Which character below is not allowed to be used as an identifier?

   	A.	P
   	B.	x1
   	C.	0 (zero)
   	D.	q
   	E.	y2k

2 points   

QUESTION 5

1. Which of the following would not be syntactically legal in Java?

   	A.	public class Foo
   	B.	System.out.println("Hi");
   	C.	{ }
   	D.	static main(String[ ] args)
   	E.	only b is legally valid, all of the rest are illegal

2 points   

QUESTION 6

1. Which of the following would be a legal Java identifier?

   	A.	i
   	B.	class
   	C.	ilikeclass!
   	D.	idon'tlikeclass
   	E.	I like class

2 points   

QUESTION 7

1. A unique aspect of Java that allows code compiled on one machine to be executed on a machine of a different hardware platform is Java’s:

   	A.	bytecode
   	B.	syntax
   	C.	use of objects
   	D.	use of exception handling
   	E.	None of the above

2 points   

QUESTION 8

1. Java is similar in syntax to what other high level language?

   	A.	Pascal
   	B.	Ada
   	C.	C++
   	D.	FORTRAM
   	E.	BASIC

2 points   

QUESTION 9

1. Which of the following is true regarding Java syntax and logic errors?

   	A.	a Java compiler can determine if you have followed proper syntax but not proper logic
   	B.	a Java compiler can determine if you have followed proper logic but not proper syntax
   	C.	a Java compiler can determine if you have followed both proper syntax and logic
   	D.	a Java compiler cannot determine if you have followed either proper syntax or logic
   	E.	a Java compiler can determine if you have followed proper syntax and can determine if you have followed proper logic if you follow the Java naming convention rules

2 points   

QUESTION 10

1. Of the following, which would be the best variable name for the current value of a stock?

   	A.	curval
   	B.	theCurrentValueOfThisStockIs
   	C.	currentStockVal
   	D.	csv
   	E.	current

2 points   

QUESTION 11

1. Which of the following is a legal Java identifier?

   	A.	1ForAll
   	B.	OneForAll
   	C.	one/4/all
   	D.	1_4_all
   	E.	1forall

2 points   

QUESTION 12

1. Which of the following characters does not need to have an associated “closing” character in a Java program?

   	A.	{
   	B.	(
   	C.	[
   	D.	=
   	E.	all of these require closing characters

2 points   

QUESTION 13

1. Miss-typing “println” as “printn” will result in:

   	A.	no error at all
   	B.	a run-time error
   	C.	a logical error
   	D.	a syntax error
   	E.	converting the statement into a comment

2 points   

QUESTION 14

1. The word println is a(n):

   	A.	String
   	B.	action
   	C.	variable
   	D.	class
   	E.	method

2 points   

QUESTION 15

1. A Java variable is the name of a:

   	A.	numeric data value stored in memory
   	B.	data value stored in memory that cannot change its value during the program’s execution
   	C.	data value stored in memory that cannot change its data type during the program’s execution
   	D.	data value stored in memory that can change both its value and its type during the program’s execution
   	E.	data value or a class stored in memory that can change both its value and its type during the program’s execution

Answer 1

1) OPTION B IS CORRECT

2) OPTION E IS CORRECT (IT IS public static void main(String[] args))

3) OPTION B IS CORRECT

4) OPTION C

5) OPTION D

6) OPTION A