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Encryption and decryption in Swift involves using cryptographic algorithms to encode and decode data securely.
Use common encryption algorithms like AES or RSA for encryption.
Implement encryption using libraries like CommonCrypto or CryptoSwift.
Store encryption keys securely and use secure protocols for data transmission.
Example: Encrypting a string using AES encryption in Swift.
Keychain access in Swift allows secure storage of sensitive information like passwords, tokens, etc.
Use Keychain Services API to securely store and retrieve sensitive data.
Keychain items are stored securely in the device's keychain and are encrypted.
Access keychain items using unique identifiers called keys.
Use Keychain Swift library for easier implementation.
Classes are reference types, while structs are value types in Swift.
Classes are reference types, meaning they point to the same instance in memory when assigned to a new variable.
Structs are value types, meaning they create a new copy when assigned to a new variable.
Use classes for complex data structures or when you need inheritance, use structs for simple data types or when you want value semantics.
Example: class Per...
Grand Central Dispatch (GCD) is a technology in Swift for managing concurrent operations.
GCD allows developers to perform tasks concurrently without having to manage threads manually.
It provides a high-level API for managing tasks and executing them on different queues.
Developers can use GCD to perform tasks in the background, update the UI on the main thread, and more.
I applied via LinkedIn and was interviewed before Aug 2023. There were 2 interview rounds.
What people are saying about Wipro
I applied via Campus Placement and was interviewed before Apr 2023. There were 2 interview rounds.
90mins of aptitude test after clearing interview
1hr of coding test then final interview
Wipro interview questions for designations
I applied via Naukri.com and was interviewed in Jan 2022. There were 3 interview rounds.
I expect a competitive salary based on my experience and skills.
I have a strong background in iOS development and have successfully completed several projects.
I am familiar with the latest technologies and frameworks in iOS development.
I have a proven track record of delivering high-quality code on time and within budget.
I am confident that my skills and experience make me a valuable asset to any team.
I am open to disc...
I worked as an iOS Developer at XYZ Company.
Developed and maintained iOS applications using Swift and Objective-C.
Collaborated with cross-functional teams to gather requirements and deliver high-quality products.
Implemented new features and enhancements based on user feedback.
Optimized app performance and resolved bugs and issues.
Worked on integrating third-party libraries and APIs.
Participated in code reviews and prov...
I am looking for a change to explore new opportunities and challenges in my career.
Seeking growth and advancement in my professional journey
Want to work on more challenging projects
Desire to learn new technologies and expand my skillset
Looking for a better work-life balance
Seeking a company culture that aligns with my values and goals
I am an experienced iOS developer with a passion for creating user-friendly and efficient applications.
I have been developing iOS applications for over 5 years.
I am proficient in Swift and Objective-C programming languages.
I have experience working with various frameworks and libraries such as UIKit, Core Data, and Alamofire.
I have a strong understanding of iOS design patterns and best practices.
I have successfully del...
I applied via LinkedIn and was interviewed in Jan 2022. There was 1 interview round.
Questions about basic Swift knowledge and past work experience.
Basic Swift concepts such as optionals, closures, and protocols may be asked.
Questions about past projects and how you approached problem-solving may also be asked.
Examples of past work experience and projects may be requested.
Questions about Swift syntax and best practices may be asked as well.
Clean coding principles ensure code readability, maintainability, and scalability.
Use meaningful variable and function names
Keep functions short and focused
Avoid code duplication
Follow SOLID principles
Write unit tests
Refactor regularly
I applied via Company Website and was interviewed in Jul 2020. There was 1 interview round.
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