Exam 8: More About Processing Data

Look at the following code sample: struct Pet { Public string name; Public int age; Public string type; } List<Pet> birdList = new List<Pet>(); Pet parrot = new Pet(); Which one of the following statements adds the Pet structure named parrot to the List object named birdList?

When you create a structure object with a simple declaration, the object's fields are initialized to their default values.

If you pass an uppercase letter to the char.ToLower method, the character it returns will be unchanged.

The ____________ can be used to retrieve a specific set of characters from a string.

Which one of the following character testing methods would you use to determine if a character is a number in the range 0 through 9?

You can use a subscript expression such as name[3]='A' to change the value of a character within a string.

Which one of the character testing methods would you use to determine that a string contains only letters and numbers?

The ____________ data type is used to store individual characters.

You can assign an enumerator directly to an int variable.

The fields contained in structure must all be of the same data type.

Once you have created an instance of a structure, you can access its fields using the dot operator (a period).

If you find yourself using a structure for more than simply encapsulating a set of variables into a single item, you should probably use a class.

Unlike other types of objects, you cannot pass a structure object as an argument to a method.

When integer values are assigned to the enumerators in an enumerated type, then each value must be unique.

Assuming that cat1 and cat2 are both instances of the Pet structure, which one of the following statements copies cat1 to cat2?

A string within a string is called a(n) ____________.

C# allows you to access the individual characters in a string using ____________.

String subscripts must be at least 0, and they must be less than the length of the string.

The char data type provides a single method that determines whether a character is a letter or number.

The ____________ method returns true if the string object starts with the substring, or false otherwise.