Question

Answer question for C#

1 of 10

When items are added or removed, a list resizes itself.

	True
	False

Question

2 of 10

What happens when you assign one list to another using the assignment operator?

	An error message generates.
	Elements copy to new memory locations.
	Both lists become value-type data elements.
	Both lists reference the same memory locations.

Question

3 of 10

Which of the following is a valid example of calling a method and sending it an array argument?

	DisplayArrayContents(iList aList;
	DisplayArrayContents(aList);
	DisplayArrayContents(aList[10]);
	DisplayArrayContents(int [ 10] aList);

Question

4 of 10

Given the following code, how would you access the third value in the array?

List<int> list = new List<int> { 5, 10, 15, 20 };

Console.WriteLine(list[2]);

Console.ReadLine();

	list[3]
	list[2];
	A compile-time error occurs.
	A run-time error occurs.

Question

5 of 10

Just like arrays, lists contain a Length property.

	True
	False

Question

6 of 10

A ___ works similarly to an array; however, when you add or remove items it resizes itself.

	list
	queue
	stack
	dictionary

Question

7 of 10

You declare a list with code like below:

List<int> items = new List<int>();

You try to access the value using the code below, without adding items first:

int listValue = items[10];

What will happen?

	A compilation error generates.
	A run-time error generates.
	The variable arrayValue sets to the 11th element in the array.
	The variable arrayValue sets to the 10th element in the array.

Question

8 of 10

The key and value in a dictionary must be of the same type.

	True
	False

Question

9 of 10

A ____ is a data structure that uses a first-in-first-out order of accessing items.

	list
	queue
	stack
	dictionary

Question

10 of 10

Given the code below, what type is the key of this dictionary?

Dictionary<int, string> students = new Dictionary<int, string>();

	string
	int
	Dictionary
	None of the above

Answer 1

Answer 1:true
list grows dynamically
Answer 2: Both lists reference the same memory locations.
both will point same reference as both are pointing to same object
Answer 3:DisplayArrayContents(aList);
when we are passing array we will just send the name of the array
Wrong Answers:
we dont write size while passing as argument
we dont use [] while passing as argument

Answer 4:list[2];
indexes starts from 0 so 3rd element index will be 2
Wrong Answer:
index 3 means it will give 4th value
Console.ReadLine() to read input from the user

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