What is optional binding?
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Is swift easier than python?
What is the meaning of question mark "?" In swift?
What are the control transfer statements that are used in ios swift?
Why swift is safe?
Explain the usage of class and benefits of inheritance.
Why do we use swift? Mention some advantages of swift?
What is the significance of “?” In swift?
What lazy stored properties is and when it is useful?
Consider the following code: var array1 = [1, 2, 3, 4, 5] var array2 = array1 array2.append(6) var len = array1.count What’s the value of the len variable, and why?
What are the type of integers does swift have?
What is $0 and $1 in swift?
What is difference between weak and strong in swift?