iOS Application Development Using Swift Quiz Questions and Answers
Answer :
- IBAction is a macro defined to denote a method that can be referred to in Interface Builder.
Explanation :
An IBAction (Interface Builder action) is a function which is called when a specific user interaction occurs.
Explanation :
Signed integers are denoted by INt8
Answer :
- UIButton->UIControl->UIView->UIResponder->NSObject
Explanation :
UIControl is a child of UIButton
Explanation :
init is a initializer
Answer :
- A) Continue
B) Break
C) Fall Through
All of the above
Explanation :
All
Answer :
- A) It eliminates entire classes of unsafe code
B) Variables are always used before use.
C) Memory is managed automatically
All of the above