Comprehensive Java Interview Questions (Spring, Redis, MyBatis, Multithreading) and Study Guide
This article shares common pitfalls of Java candidates, emphasizes building a solid Java foundation, and provides a curated collection of over 100 interview questions covering Spring, Redis, MyBatis, and multithreading, with a QR code for accessing the full answer set.
After interviewing more than 50 Java candidates, the author identified three typical shortcomings: weak fundamentals despite knowing new technologies, lack of interest in learning beyond daily work, and outdated single‑stack experience (Spring + MyBatis/Hibernate + MySQL). The article stresses that solid Java fundamentals are essential for both large‑company recruitment and personal growth.
To help candidates prepare, a free collection of 300+ Java interview questions with detailed explanations is offered via a QR code; scanning the code and replying with the secret phrase "面试资料" grants access for three days.
Sample Spring interview questions (24+):
What are the main features of different Spring Framework versions?
What is the Spring Framework?
List the advantages of Spring.
How many modules does Spring have and what are they?
What is a Spring configuration file?
Explain the Spring IoC container and dependency injection.
Differentiate constructor injection and setter injection.
What are the differences between BeanFactory and ApplicationContext?
Sample Redis interview questions (34+):
What is Redis?
What data types does Redis support?
Advantages of using Redis over Memcached.
How does Redis persistence work and what are its trade‑offs?
Explain Redis clustering and its failure scenarios.
What are Redis eviction policies?
How to test Redis connectivity?
Sample MyBatis interview questions (25+):
What is MyBatis and its advantages?
Differences between MyBatis and Hibernate.
Explain the difference between #{} and ${}.
How does MyBatis handle pagination?
Describe MyBatis plugin mechanism.
Sample Java multithreading and concurrency questions (22+):
Difference between daemon and user threads.
What is a context switch?
Explain deadlock vs livelock vs starvation.
Why use the Executor framework?
What are atomic classes in Java?
How does ReentrantLock differ from synchronized?
The article concludes by encouraging readers to scan the QR code, follow the "图灵课堂Tuling" public account, and reply with the secret phrase to obtain the complete interview question set and detailed answers.
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