What is a swift protocol?
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Is swift worth learning 2019?
What are the control transfer statements that are used in ios swift?
How will you define base class?
How can we make a property optional in swift?
What is abstract class in swift?
What is memory leak in swift?
What are adapter and memento patterns?
What is optional binding?
Explain the adapter and memento pattern?
What is difference between 'let' and 'var' declaration ?
Is swift hard to learn?
What is instance variable in swift?