Top 10 iOS Interview Questions
We have listed down 10 must know iOS Interview Questions that will help an iOS developer prepare for the interviews.
How to access private members of a class in Swift
This article will show you how to access a class's private members, such as variables and methods in Swift.
In the normal case, you cannot access private members outside the scope of a class directly, but let's see what are the alternative ways to access members within and outside the
What is Trailing closure in Swift?
As per the standard definition, Closures are self-contained blocks of functionality that can be passed around and used in your code.
When passing a closure expression to a function as the function’s final argument, it can be useful to write a trailing closure.
Trailing closure is written after the
View Controller Lifecycle
Introduction
In iOS development, the view controllers are the foundation of the Application's internal structure. The View Controller is the parent of all the views present on a storyboard. Each UIKit application has at least one ViewController. It facilitates the transition between various parts of the user interface.
Functions are
Optionals and Unwrapping in Swift
An Optional is a type of its own that can handle the absence of a value.
Optionals can contain nil values and there are multiple ways to unwrap them. In
this article, we will understand why not to unwrap them forcefully and how to
unwrap them safely.
Optionals
> A type
Are Arrays thread-safe in Swift?
Introduction
An array is an ordered, random-access generic collection. The Array type to hold elements of a single type, the array’s Element type. An array can store any kind of elements—from integers to strings to classes.
Are Arrays Thread-Safe?
Intrinsically, Arrays in Swift are not thread-safe. Arrays are
Difference between Array and NSArray
Array and NSArray are very similar and core constructs in iOS Development, and cause of this similarities we sometime forget how different this two construct works, these are some major difference that you must know about Array and NSArray.
Array
Array is a struct which means it is value type