Free Programming Tutorials

Most of us remain blissfully unaware of the implementation details behind the scenes when we use foreach to iterate over an array or some other collection. And as long as we use one of these out-of-the-box data structures, we don’t have to worry about it. But many times, the standard collection classes fail to meet our specific needs. In the real world, our programs require custom collection classes that describe entities like automobiles or employees, so supporting enumeration for t 
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