Module 7: Strings, Arrays, and Collections

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Module 7: Strings, Arrays, and Collections

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Discuss the IList interface with regards to classes that represent an ordered collection of objects that can be individually indexed. Use the ArrayList demonstration to reinforce this concept. Discuss the IDictionary interface and the classes that it implements. Use the Hashtable demonstration to show how to use the IDictionary interface. Provide guidelines to help students distinguish between collections and arrays, and explain when collections are used. Discuss runtime casting for type safety and the effects of runtime casting, and boxing and unboxing on performance. Discuss techniques for handling boxing and unboxing to optimize performance....

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