Jul 26, 2024 interview
iOS Developer interview question Advanced Swift Features
Advanced Swift Features: - What are key paths, and how are they used in Swift? Key paths in Swift are a powerful feature that provides a type-safe way to refer to properties of a type. They allow you to access…
Jul 26, 2024 iOS
iOS Developer interview question Error Handling and Optionals
Error Handling and Optionals: - What is the `throws` keyword used for in Swift? In Swift, the throws keyword is used to indicate that a function or method can throw an error. This mechanism allows you to signal that an…
Jul 26, 2024 interview
iOS Developer interview question Closures and Completion Handlers
Closures and Completion Handlers: - What is a closure in Swift, and how is it similar to a function? In Swift, a closure is a self-contained block of code that can be passed around and used in your code. Closures…
Jul 26, 2024 interview
iOS Developer interview question Control Flow:
Control Flow: 1. Discuss the usage of the `if-else` statement in Swift with an example. The if-else statement in Swift is a fundamental control flow construct that allows you to execute different blocks of code based on whether a condition…
Jul 26, 2024 interview
iOS Developer Swift interview question Basics of Swift
Basics of Swift: 1.What is Swift, and what makes it different from Objective-C? Swift and Objective-C are both programming languages used primarily for developing applications on Apple's platforms, such as iOS, macOS, watchOS, and tvOS. Here are the key differences…
Jul 14, 2024 iOS
20 Key Coding Patterns That Will Guide You Through
20 Key Coding Patterns That Will Guide You Through Anyone can master these incredible algorithmic strategies and really excel in coding interviews by using roughly 20 of these coding issue patterns that are compiled here. The idea behind these patterns…
Jun 29, 2024 dsa
Given an integer array nums, return all the triplets
3Sum Given an integer array nums, return all the triplets [nums[i], nums[j], nums[k]] such that i != j, i != k, and j != k, and nums[i] + nums[j] + nums[k] == 0. Notice that the solution set must not contain duplicate triplets. Example 1: Input:…
Jun 28, 2024 iOS
Best Time to Buy and Sell Stock
Best Time to Buy and Sell Stock You are given an array prices where prices[i] is the price of a given stock on the ith day. You want to maximize your profit by choosing a single day to buy one stock and choosing a different day in the future to…