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The assignment operator is the single equal sign, =. The assignment operator works in C# much as it does in other computer languages. It has this general form: var-name = expression; Here, the type of var-name must be compatible with the type of expression.

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C# defines one special class called object that is an implicit base class of all other classes and for all other types (including the value types). In other words, all other types are derived from object. This means that a reference variable of type object can refer to an object of any

establishment between two endpoints. Figure 4-18 shows an example of such a call establishment and can be considered a more complete version of the example depicted in Figure 4-11. One can see that many messages are required even for such a simple call (hence the term slow start in the caption). Furthermore, when we consider the fact that the figure does not show a Capabilities Exchange or possible master-slave determination, it becomes clear that even more messaging can be required.

Here is a simple example that illustrates how to watch for and catch an exception. As you know, it is an error to attempt to index an array beyond its boundaries. When this error occurs, the CLR throws an IndexOutOfRangeException, which is a standard exception

// Demonstrate dynamic initialization. using System; class DynInit { static void Main() { double radius = 4, height = 5;

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Because this book is about optical networking, before we go too far into this topic it might be a good idea to compare and contrast this method of communications with conventional copper-based communications to

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