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FinalExam
Name: Kwee Tan	Attempt: 1 / 1	Out of: 40
Started: December 12, 2005 9:57am	Finished: December 12, 2005 11:09am	Time spent: 1 hr, 12 min., 38 sec.
Student finished 47 min. 22 sec. ahead of the 120 min. time limit.

Question 1

(1 point)

What is the equality operator?

Student response:

Percent Value	Answer Choices
0.0%	a.	!=
0.0%	b.	=
100.0%	c.	==
0.0%	d.	&
0.0%	e.	+

Score:

1 / 1

Question 2

(1 point)

Which method is used to find the occurence of a string in a regular expression?

Student response:

Percent Value	Answer Choices
0.0%	a.	Finds
0.0%	b.	Occurence
100.0%	c.	Matches
0.0%	d.	Regex
0.0%	e.	Expression

Score:

1 / 1

Question 3

(1 point)

mscorlib is:

Student response:

Percent Value	Answer Choices
0.0%	a.	a class
0.0%	b.	a package
100.0%	c.	an assembly
0.0%	d.	a namespace
0.0%	e.	a method

Score:

1 / 1

Question 4

(1 point)

Which statement correctly sets up a foreach loop to be used with a SortedList?

Student response:

Percent Value	Answer Choices
0.0%	a.	foreach (SortedList sl in mySortedList)
0.0%	b.	foreach (List li in mySortedList)
0.0%	c.	foreach (Entry en in mySortedList)
0.0%	d.	foreach (Object o in mySortedList)
100.0%	e.	foreach (DictionaryEntry de in mySortedList)

Score:

1 / 1

Question 5

(1 point)

A switch statement can be used to test which of these variable types?

Student response:

Percent Value	Answer Choices
0.0%	a.	int
0.0%	b.	char
0.0%	c.	string
0.0%	d.	only a and b
100.0%	e.	a, b, and c are correct

Score:

1 / 1

Question 6

(1 point)

Which class would you use to find out the path name or directory name of a file?

Student response:

Percent Value	Answer Choices
100.0%	a.	Path class
0.0%	b.	FileInfo class
0.0%	c.	SystemInfo class
0.0%	d.	PathInfo class
0.0%	e.	DirctoryInfo class

Score:

0 / 1

Question 7

(1 point)

int x; 
switch (x)
{
    
}

If x were 3, which statement would you place in the switch to find a match for 3?

Student response:

Percent Value	Answer Choices
0.0%	a.	3:
100.0%	b.	case 3:
0.0%	c.	case "3":
0.0%	d.	case '3':
0.0%	e.	case 3;

Score:

1 / 1

Question 8

(1 point)

Which statement about enums is true?

Student response:

Percent Value	Answer Choices
0.0%	a.	Double is the default datatype.
0.0%	b.	The datatype must be float or double.
100.0%	c.	The datatype must be integral (int or long).
0.0%	d.	Enums have string as the default datatype.
0.0%	e.	Enums are not supported in C#.

Score:

1 / 1

Question 9

(1 point)

.NET is supported on non-Windows platforms. (True/ False)

Student response:

Percent Value	Answer Choices
0.0%	a.	True
100.0%	b.	False

Score:

1 / 1

Question 10

(1 point)

class Customer
{
      public int acctNumber;
      public string firstName;
      public string lastName;

}

lastName is ________________.

Student response:

Percent Value	Answer Choices
0.0%	a.	a class variable
100.0%	b.	an instance variable
0.0%	c.	a constant
0.0%	d.	a method
0.0%	e.	an enumeration

Score:

1 / 1

Question 11

(1 point)

A groupBox control named groupBox1 does not appear on the Windows form. Which statement should be added to the code so that it does appear?

Student response:

Percent Value	Answer Choices
0.0%	a.	Controls.Add(groupBox1);
0.0%	b.	this.Add(groupBox1);
0.0%	c.	Add(groupBox1);
100.0%	d.	this.Controls.Add(groupBox1);
0.0%	e.	groupBox1.add();

Score:

1 / 1

Question 12

(1 point)

In which class would you find methods to round, calculate the square root, and find the absolute value of a number?

Student response:

Percent Value	Answer Choices
100.0%	a.	Math
0.0%	b.	Environment
0.0%	c.	Path
0.0%	d.	File
0.0%	e.	System

Score:

1 / 1

Question 13

(1 point)

To get the name of a file from the user, you can use which class?

Student response:

Percent Value	Answer Choices
100.0%	a.	SaveFileDialog
0.0%	b.	NewFileDialog
0.0%	c.	SaveFile
0.0%	d.	FileDialog
0.0%	e.	SaveDialog

Score:

1 / 1

Question 14

(1 point)

Which statement tests if a radioButton has been selected?

Student response:

Percent Value	Answer Choices
100.0%	a.	if (radioButton1.Checked == true)
0.0%	b.	if (radioButton1.Item == true)
0.0%	c.	if (radioButton1.Value == true)
0.0%	d.	if (radioButton1.Selected == true)
0.0%	e.	if (radioButton1.Text == true)

Score:

1 / 1

Question 15

(1 point)

Customer c = new Customer(); The statement is an example of _________________.

Student response:

Percent Value	Answer Choices
0.0%	a.	inheritance
0.0%	b.	encapsulation
0.0%	c.	variable declaration
0.0%	d.	obfuscation
100.0%	e.	instantiation

Score:

1 / 1

Question 16

(1 point)

C# does not allow overloaded constructors.

Student response:

Percent Value	Answer Choices
0.0%	a.	True
100.0%	b.	False

Score:

1 / 1

Question 17

(1 point)

Which method can be used to delete a record from a database?

Student response:

Percent Value	Answer Choices
0.0%	a.	Execute method of the Command object
0.0%	b.	Delete method of the DataAdapter object
0.0%	c.	Execute method of the DataAdapter object
100.0%	d.	ExecuteNonQuery method of the Command object
0.0%	e.	ExecuteNonQuery method of the Connection object

Score:

1 / 1

Question 18

(1 point)

The params keyword _______________________.

Student response:

Percent Value	Answer Choices
0.0%	a.	defines a method's return type.
0.0%	b.	lets a method pass by value.
0.0%	c.	overrides a method signature.
100.0%	d.	lets a method accept any number of arguments.
0.0%	e.	does not exist in C#.

Score:

1 / 1

Question 19

(1 point)

Suppose you had a class named Dog. How could you compare two Dog objects to see if they were equal?

Student response:

Percent Value	Answer Choices
0.0%	a.	implement the CompareTo method of the Object class
0.0%	b.	use the Equals method of the Object class
100.0%	c.	implement the IComparable interface in the Dog class
0.0%	d.	Use the = = operator to compare the objects
0.0%	e.	use the CompareTo method of the Object class

Score:

1 / 1

Question 20

(1 point)

Serializing an object using the BinaryFormatter saves private, as well as public fields. (True/False)

Student response:

Percent Value	Answer Choices
100.0%	a.	True
0.0%	b.	False

Score:

1 / 1

Question 21

(1 point)

What is a good way to allow a program to dynamically read in values at startup, for instance, the name of a database.

Student response:

Percent Value	Answer Choices
0.0%	a.	use an Environment Variable file
100.0%	b.	use an Application Configuration file
0.0%	c.	use a Serialization file
0.0%	d.	use a System Thread
0.0%	e.	use an ArrayList

Score:

1 / 1

Question 22

(1 point)

You can define your own exception class, as long as it is derived from the ____________ class.

Student response:

Percent Value	Answer Choices
0.0%	a.	Exception
0.0%	b.	RunTimeException
100.0%	c.	ApplicationException
0.0%	d.	UserDefinedException
0.0%	e.	SpecialException

Score:

0 / 1

Question 23

(1 point)

An interface _____________

Student response:

Percent Value	Answer Choices
100.0%	a.	contains only abstract methods.
0.0%	b.	can contain abstract and concrete methods.
0.0%	c.	contains only concrete methods

Score:

1 / 1

Question 24

(1 point)

Which class can be used to create a dyamic array?

Student response:

Percent Value	Answer Choices
0.0%	a.	LinkedList
0.0%	b.	Stack
0.0%	c.	Queue
0.0%	d.	Array
100.0%	e.	ArrayList

Score:

1 / 1

Question 25

(1 point)

Which code correctly declares an array that can hold floating point (decimal) numbers?

Student response:

Percent Value	Answer Choices
100.0%	a.	int arraySize = 10; double[] arrA = new double[arraySize];
0.0%	b.	int arraySize = 10; int[] arrA = double[array];
0.0%	c.	int Size = 10; [double] arrA = new double[arraySize];
0.0%	d.	int x = 10; double arrA = new double[arraySize];
0.0%	e.	double arraySize = 10.0; double arrA = new double[arraySize];

Score:

1 / 1

Question 26

(1 point)

Which is the AND operator?

Student response:

Percent Value	Answer Choices
0.0%	a.	+
0.0%	b.	AND
0.0%	c.	\|\|
100.0%	d.	&&
0.0%	e.	@

Score:

1 / 1

Question 27

(1 point)

Which statement is needed to use regular expressions in your program?

Student response:

Percent Value	Answer Choices
0.0%	a.	using Text.RegularExpressions ;
0.0%	b.	using System.Text.RegEx ;
0.0%	c.	using System.RegularExpressions ;
0.0%	d.	using Sytem.Text;
100.0%	e.	using System.Text.RegularExpressions ;

Score:

1 / 1

Question 28

(1 point)

Which method is used to place a node on a stack?

Student response:

Percent Value	Answer Choices
0.0%	a.	Queue method of ArrayList class
0.0%	b.	Peek method of Stack class
0.0%	c.	Push method of Queue class
100.0%	d.	Push method of Stack class
0.0%	e.	Enqueue method of Stack class

Score:

1 / 1

Question 29

(1 point)

Structures (structs) support inheritance.

Student response:

Percent Value	Answer Choices
0.0%	a.	True
100.0%	b.	False

Score:

1 / 1

Question 30

(1 point)

Which statement is true concerning serialization?

Student response:

Percent Value	Answer Choices
0.0%	a.	only public methods are serializable
0.0%	b.	neither private nor public fields are serializable
0.0%	c.	private and public fields are serializable
0.0%	d.	only private fields are serializable
100.0%	e.	only public fields are serializable

Score:

0 / 1

Question 31

(1 point)

ADO.NET supports which databases?

Student response:

Percent Value	Answer Choices
0.0%	a.	Oracle
0.0%	b.	SQL Server
0.0%	c.	Access
0.0%	d.	only B and C are correct
100.0%	e.	A, B, and C are correct

Score:

1 / 1

Question 32

(1 point)

Which statement correctly declares a structure? (choose one answer)

Student response:

Percent Value	Answer Choices
0.0%	a.	public structure Person
0.0%	b.	public enum Person
0.0%	c.	public class Person
0.0%	d.	public interface Person
100.0%	e.	public struct Person

Score:

1 / 1

Question 33

(1 point)

Which foreach statement is correct to loop through an array of Cartoon objects named arrayOfCartoons?

Student response:

Percent Value	Answer Choices
0.0%	a.	foreach (arrayOfCartoons)
0.0%	b.	foreach (Cartoon[] cc in arrayOfCartoons[])
0.0%	c.	foreach (Cartoon cc[] in arrayOfCartoons)
0.0%	d.	foreach (Cartoon[] cc in arrayOfCartoons)
100.0%	e.	foreach (Cartoon cc in arrayOfCartoons)

Score:

1 / 1

Question 34

(1 point)

The DataAdapter object is read only. (True/ False)

Student response:

Percent Value	Answer Choices
0.0%	a.	True
100.0%	b.	False

Score:

1 / 1

Question 35

(1 point)

_________ accepts a method name as its input parameter and invokes the method.

Student response:

Percent Value	Answer Choices
0.0%	a.	An iterator
0.0%	b.	An identifier
100.0%	c.	A delegate
0.0%	d.	An interface
0.0%	e.	An event

Score:

1 / 1

Question 36

(1 point)

Which statement correctly adds the string "Joe" to a listbox named listBox1?

Student response:

Percent Value	Answer Choices
0.0%	a.	listBox1.Add("Joe");
0.0%	b.	listBox1.AddItem("Joe");
0.0%	c.	listBox1.AddString("Joe");
0.0%	d.	listBox1.Items("Joe");
100.0%	e.	listBox1.Items.Add("Joe");

Score:

1 / 1

Question 37

(1 point)

C# supports which looping structures.

Student response:

Percent Value	Answer Choices
0.0%	a.	for
0.0%	b.	do
0.0%	c.	while
0.0%	d.	only a and b
100.0%	e.	a, b, and c are correct

Score:

1 / 1

Question 38

(1 point)

Which statement shows the correct signature for a button click event method?

Student response:

Percent Value	Answer Choices
0.0%	a.	private void button1_Click(object sender, System.Button.EventArgs e)
0.0%	b.	private void button1_Click(object sender, System.MouseEventArgs e)
0.0%	c.	private void button1_Click(object sender)
100.0%	d.	private void button1_Click(object sender, System.EventArgs e)
0.0%	e.	private void button1_Click(System.EventArgs e)

Score:

1 / 1

Question 39

(1 point)

System.Drawing is:

Student response:

Percent Value	Answer Choices
0.0%	a.	a method
0.0%	b.	a class
100.0%	c.	a namespace
0.0%	d.	a structure
0.0%	e.	an enum

Score:

1 / 1

Question 40

(1 point)

Which class provides methods to create and manipulate strings?

Student response:

Percent Value	Answer Choices
0.0%	a.	StringTokenizer
100.0%	b.	StringBuilder
0.0%	c.	TextBuilder
0.0%	d.	Text
0.0%	e.	Path

Score:

1 / 1

Total score:

37 / 40 = 92.5%