All Interview Question

Part 1

WEAK VS UNOWNED, when to use

POLYMORPHISM

Difference between OOP and POP

What isMultithreading in core-data

What is anchor layout in ios?

Part 2

can we use let property with protocol?

Diff b/w Tight Coupling vs Loose Coupling

Diff b/w dependency inversion principle vs dependency injection in ios
What is the difference between while and repeat-while loops in swift?

Part 3

Is default case is necessary in Swift’s Switch case?

What is Fall-through keyword in swift?

What is rawValue in enum?

What is Enum Associated values in Swift?

Is Enum Value type or Reference Type?

Part 4

Does closures capture values?

What is Trailing Closure?

What is Encapsulation? Example? Advantages?

Can we use var in optional binding or guard statement instead of let?

What happens when you call a method over optional whose value is nil?

Part 5

What is Type checking operator in Swift?

What are the collections available in Swift?