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Test on how Optionals are implemented internally in Swift.
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Test on Forced Unwrapping of the Optionals in Swift.
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Test on how and when optionals are implicitly unwrapped in Swift.
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Test on using Optional Binding in Swift.
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Test on Nil Coalescing Operator for Optionals.
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Test on optional chaining to safely return a nil or non-nil value from a series of optionals chained together.
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Test on the usage of various Optionals operators (?, !, ??) in Swift
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This is a test on the article that explains the view controller of an iPhone application. In this case, the view contains just a table and hence the controller is derived from UITableViewController class. Class diagram, general view methods, and general table methods are discussed.
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This is a test on the article that explains the Application Delegate of an iPhone application. This article discusses the standard application delegate header and implementation files generated for a navigation based application. Also goes through the methods that are generally implemented from the UIApplicationDelegate protocol.
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This is a test on the article that explains various pieces of the main() method. For iPhone and iPod Touch applications, you would consistently see the same main() method, where an application starts.
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