Answer core CS fundamentals concisely
Company: TikTok
Role: Software Engineer
Category: Other / Miscellaneous
Difficulty: Medium
Interview Round: Technical Screen
Answer core CS fundamentals: differentiate processes vs. threads; describe how a thread pool works (task queue, worker lifecycle, rejection policies); list the four conditions for deadlock and how to prevent them; explain TCP three-way handshake and teardown; and describe the Java Memory Model’s happens-before guarantees and how volatile and locks ensure visibility and ordering.
Quick Answer: This question evaluates core computer science competencies across concurrency, operating systems, networking, and memory models, including processes versus threads, thread pool mechanics, deadlock conditions, TCP three-way handshake and teardown, and Java Memory Model visibility and ordering.