A 45-minute to 1-hour one-on-one video interview.

The interviewer asked me some basic questions:

• Tell me about yourself
• Some Java concepts
• Output-based questions
• Coding questions
• A puzzle

1. Tell me about yourself.

2. Discussion on my projects and some other resume details.

3. Describe the four basic OOP concepts.

4. Some Java snippet output-based questions.

5. Find the cycle (loop) in a linked list (Coding question).

6. Puzzle: Each day, a man meets his wife at the train station after work, and then she drives him home. She always arrives exactly on time to pick him up. One day, he catches an earlier train and arrives at the station an hour early. He immediately begins walking home along the same route the wife drives. Eventually, his wife sees him on her way to the station and drives him the rest of the way home. When they arrive home, the man notices that they arrived 20 minutes earlier than usual. How much time did the man spend walking?