Author: Lead by code
Jan 01, 2025 iOS
DSA Two Pointer Approach
The two-pointer approach is a versatile technique in Data Structures and Algorithms (DSA) used to optimize problems that involve linear traversal of arrays, lists, or strings. Here's a detailed explanation of when to use it and its applications: When to…
Jul 26, 2024 interview
iOS Developer interview question UILabel, UITextField, UIButton
Basic UIKit Components (UILabel, UITextField, UIButton): - Explain the role of UILabel in iOS applications. UILabel is a fundamental UI component in iOS applications used for displaying static or dynamic text. It provides a way to present text content to…
Jul 26, 2024 interview
iOS Developer interview question UIView and UIViewController Basics:
UIView and UIViewController Basics: - What is a UIView, and what role does it play in the iOS user interface? UIView is a fundamental class in iOS development that plays a crucial role in building and managing the user interface…
Jul 26, 2024 interview
iOS Developer interview question UITableView and UICollectionView:
UITableView and UICollectionView: - What is the purpose of UITableView in iOS? The UITableView class in iOS is a versatile and powerful component used for displaying and managing a list of items in a single-column layout. It is widely used…
Jul 26, 2024 interview
iOS Developer interview question Auto Layout and Constraints:
Auto Layout and Constraints: - What is Auto Layout, and why is it used in iOS development? Auto Layout is a system used in iOS development to create adaptive user interfaces that can dynamically adjust to different screen sizes, orientations,…
Jul 26, 2024 interview
iOS Developer interview question Protocol-Oriented Programming (POP)
Protocol-Oriented Programming (POP): - Discuss the principles of Protocol-Oriented Programming (POP). Protocol-Oriented Programming (POP) is a paradigm that emphasizes the use of protocols to define interfaces and behaviors, rather than relying solely on class inheritance. Introduced and popularized by Swift,…
Jul 26, 2024 iOS
iOS Developer interview question Advanced Swift Concepts
Advanced Swift Concepts - Describe the concept of option chaining in Swift. Optional chaining in Swift is a process that allows you to safely access properties, methods, and subscripts on optional types. If the optional contains a value, the property,…
Jul 26, 2024 interview
iOS Swift interview question Functions and Methods:
Functions and Methods: - What is a function in Swift, and how is it defined? In Swift, a function is a self-contained block of code designed to perform a specific task. Functions allow you to encapsulate logic, make your code…