Exam 8: Advanced Collections

string [ , ] name = new string [2, 3] {{"Alex", "Ben", "Cay"}, {"Jose", "Tyne", "Yin" }}; -Looking above,what does name[0,1] reference?

string [ , ] name = new string [2, 3] {{"Alex", "Ben", "Cay"}, {"Jose", "Tyne", "Yin" }}; -Which of the following returns the number of columns in a two-dimensional array?

There are several ways to do a compile-time initialization of two-dimensional arrays.All of the following are valid ways EXCEPT ____.

string sValue = "Life is about choices"; string [ ] sn = sValue.Split(' '); -Using the Substring( )method with sValue,which of the following references the word choices?

C# also includes a generic ____________ class that is very similar to the ArrayList class.The primary difference between the two classes is that objects do not have to be the same type when they are pushed on an ArrayList,unlike the other class,which requires all objects to be of the same type..

As with the ArrayList class,in order to instantiate objects of many of the collection classes,you need to include a using ____________.

If you override the GetHashCode( )method,you must also override the ____________ method to guarantee that two objects considered equal have the same hash code.Both are inherited from the object class.

The ____________ are defined to compare the contents of strings instead of comparing their addresses.

In order to determine the position of one or more characters inside a string argument,use the ____ method of the string class.

The method that deletes a number of characters beginning at a specified position is ____.

double [ , ] price = new double [2 , 5] {{1.1, 1.2, 1.3, 1.5, 1.4}{2.1, 2.2, 2.3, 2.5, 2.4}}; -Looking above,the value of price.Length is 10.

Which class represents a First-In-First-Out (FIFO)collection,which is useful for storing objects in the order they were received for sequential processing?

The ArrayList class requires you to add and remove elements to/from the structure using Push( )and Pop( )methods.

Which of the following is an example of a collection class?

In C#,the string type allows individual characters to be accessed using a(n)____________ with the [ ].