https://www.anhdh.net/en/blog Backend & Cloud engineering notes — deep dives into distributed systems, databases, caching, and the infrastructure that keeps software running at scale. Practical, no-fluff writing for engineers who care about how things actually work. en-US anhdh.cv@gmail.com (Do Hung Anh) anhdh.cv@gmail.com (Do Hung Anh) Sun, 05 Jul 2026 00:00:00 GMT https://www.anhdh.net/en/blog/top-10-java-core-interview-questions https://www.anhdh.net/en/blog/top-10-java-core-interview-questions Foundational knowledge is something interviewers always check, whether you're a fresher or a senior engineer. This post rounds up the 10 most common Java Core interview questions, with quick hints and detailed explanations so you can review before your next interview. Sun, 05 Jul 2026 00:00:00 GMT anhdh.cv@gmail.com (Do Hung Anh) Javaoopbeginner