Question: 1. The key and value in a dictionary must be of the same type. True False 2. A ___ works similarly to an array; however,
1. The key and value in a dictionary must be of the same type.
| True | |
| False |
2. A ___ works similarly to an array; however, when you add or remove items it resizes itself.
| list | |
| queue | |
| stack | |
| dictionary |
3. You declare a list with code like below:
List
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. |
4. Given the code below, what type is in the list?
List
| List | |
| string | |
| names | |
| None of the above |
5. 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); |
6. A ____ is a data structure that uses a first-in-first-out order of accessing items.
| list | |
| queue | |
| stack | |
| dictionary |
7. A Dictionary may contain duplicate values.
| True | |
| False |
8. You may use the foreach statement to iterate over both the keys and values in a dictionary.
| True | |
| False |
9. The foreach statement may be used to iterate over the values in a list.
| True | |
| False |
10. When items are added or removed, a list resizes itself.
| True | |
| False |
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