In this series we will learn about Optionals in Swift. Optionals in Swift Forced Unwrapping of Optional Optional binding Implicitly…

If and while statements can be used to check whether an optional has a value and if yes, then extract…

If the optional variable(or constant) will always have a value but not nil then we can unwrap the optional during…

If statements are used to compare the optional value to nil .If there is a value then we can obtain…

In part one of Learning Swift Series, we will deal with the following topics that cover basics of Swift language:…

Swift is a type safe language. It performs type checks while compiling our code and flags of any errors due…

Swift does not require us to use semicolon at the end of each statements although we can do so without…

Comments are used to include non-executable text in code. Single line Comment begins with two forward slashes . // Multiline Comment…

Type Annotation is used to provide information about the type of values stored by the constants and variables. Mostly we…