Question: What is an Iterator pattern and why would you need it? Now show/describe the set of classes needed to implement an iterator pattern for a

What is an Iterator pattern and why would you need it? Now show/describe the set of classes needed to implement an iterator pattern for a channel surfing system. Your specific demonstration of the Iterator pattern will allow the client to iterate channels by language preference, using your iterator. Assume you have a Channel Object. Start your answer from ChannelIterator and ChannelCollection interfaces and walk your way down

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