Delta Air Lines Software Developer Interview Questions and Answers

Q1. Behavioral questions such as weakness and strength
Add your answer
Q2. What do you know about AA?
Ans. 
AA stands for Alcoholics Anonymous, a support group for individuals struggling with alcohol addiction.
• AA is a 12-step program that emphasizes spiritual growth and personal accountability.

• Meetings are held regularly and are open to anyone seeking help with alcohol addiction.

• Anonymity is a key principle of AA, and members are encouraged to maintain confidentiality.

• Sponsorship is also an important aspect of AA, where expe...read more
Answered by AI
Add your answer
Q3. About previous projects
Add your answer

It was more of a discussion of the project I worked on, and the technologies I used...They asked me two basic SQL questions (it is a full stack position, though), and also about the Azure cloud platform.

Q1. What is the internal implementation of Hashing and what is collision?
Ans. 
Hashing is a technique used to map data to a fixed-size array, collision occurs when two different inputs produce the same hash value.
• Hashing involves using a hash function to map data to a fixed-size array.

• Collision happens when two different inputs produce the same hash value.

• Common techniques to handle collisions include chaining and open addressing.
Answered by AI
Add your answer
Q2. Is time complexity of HashMap always O(1) ?
Ans. 
No, time complexity of HashMap is not always O(1).
• Time complexity of HashMap is O(1) on average, but can degrade to O(n) in worst case scenarios.

• Worst case scenarios include hash collisions, which can lead to linear probing and degrade performance.

• Load factor and capacity of the HashMap can also affect time complexity.

• In scenarios where many keys hash to the same index, the time complexity can degrade.
Answered by AI
Add your answer

Q1. Yet to have the interview. Ambition box is forcefully making me enter these details
Add your answer

1 dsa question 1 sql and 18 mcq questions

Q1. Lot of questions from resumes and projects
Add your answer
Q2. Easy DSA questions and oops questions
Add your answer

Q1. About sdlc stlc manual testing topics
Add your answer

Q1. Coding, few automation topics
Add your answer

Q1. General topics discussion
Add your answer

Q1. Salary Discussion
Add your answer

Q1. Explain how multithreading works?
Ans. 
Multithreading allows multiple threads to run concurrently within a single process, improving performance and responsiveness.
• Multithreading allows for parallel execution of tasks within a single process.

• Threads share the same memory space, allowing for efficient communication and data sharing.

• Thread management is handled by the operating system, which schedules threads for execution.

• Examples of multithreading include w...read more
Answered by AI
Add your answer

Simple string manipulation

Q1. Basic c# questions
Add your answer

Q1. Difference between Virtual DOM and DOM
Ans. 
Virtual DOM is a lightweight copy of the actual DOM, used for efficient updates in web applications.
• Virtual DOM is a concept used in frameworks like React to improve performance by minimizing actual DOM manipulations.

• Changes are first made to the Virtual DOM, then compared with the actual DOM to determine the minimal updates needed.

• This process reduces the number of expensive DOM operations, resulting in faster renderi
Answered by AI
Add your answer
Q2. Difference between Angular and React
Ans. 
Angular is a full-fledged framework for building web applications, while React is a JavaScript library for building user interfaces.
• Angular is a complete framework with built-in features like routing, forms, and HTTP client.

• React is a library focused on building UI components and managing state.

• Angular uses two-way data binding, while React uses one-way data flow.

• Angular uses TypeScript by default, while React uses Jav...read more
Answered by AI
Add your answer

Q1. Common technical questions
Add your answer

Q1. Advance Technical Questions based on your skill set taken by architect
Add your answer

Common coding problems difficulty laver moderate

Q1. Common managerial question ,scenario base questions
Add your answer