Wei-Meng Lee - C# 2008 Programmer's Reference

for (int i = 0; i < _pointer; i++) {

if (_elements[i].CompareTo(keyword) == 0) {

found = true;

break;

}

}

return found;

}

public bool Empty {

get {

return (_pointer <= 0);

}

}

public static MyStack operator +

(MyStack stackA, MyStack stackB) {

while (IstackB.Empty) {

T item = stackB.Pop();

stackA.Push(item);

}

return stackA;

}

}

The +operator takes in two operands — the generic MyStackobjects. Internally, you pop out each element from the second stack and push it into the first stack. The Emptyproperty allows you to know if a stack is empty.

To print out the elements of stack1after the joining, use the following statements:

stack1 += stack2;

while (!stack1.Empty)

Console.WriteLine(stack1.Pop());

Here's the output:

C

D

B

A

You can also use generics on delegates. The following class definition contains a generic delegate, MethodDelegate:

public class SomeClass {

public delegate void MethodDelegate(T t);

public void DoSomething(T t) {

}

}

When you specify the type for the class, you also need to specify it for the delegate:

SomeClass sc = new SomeClass();

SomeClass.MethodDelegate del;

del = new SomeClass.MethodDelegate(sc.DoSomething);

You can make direct assignment to the delegate using a feature known as delegate inferencing, as the following code shows:

del = sc.DoSomething;

The .NET Framework class library contains a number of generic classes that enable users to create strongly typed collections. These classes are grouped under the System.Collections.Genericnamespace (the nongeneric versions of the classes are contained within the System.Collectionsnamespace). The following tables show the various classes, structures, and interfaces contained within this namespace.

The following table provides a look at the classes contained within the System.Collections.Genericnamespace.

The structures contained within the System.Collections.Genericnamespace are described in the following table.

Following are descriptions of the interfaces contained within the System.Collections.Genericnamespace.