Giant multi-threaded Java Detailed face questions
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2020-04-04 23:55:14
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1 manufacturers face questions
- Please describe the underlying principles underlying synchrnoized and reentrantlock realization and re-entry - Baidu Ali
- Please describe the lock of the four states and the upgrade process - Baidu Ali
beating and hanging lock escalation Detailed Java interviewer -Java
- How to solve the problem of CAS ABA - Baidu
- Please talk about AQS, AQS is why the underlying CAS + volatile- Baidu
- Please talk about your understanding of volatile - the US group Ali
- How volatile visibility and prohibit instruction reordering is achieved - the US group
- CAS is what - the United States Mission
- Describe the process of creating a target of the US Mission SF
- Objects in memory memory layout - US Mission SF
- DCL singleton why should we increase volatile- US group
beating and hanging interviewer -Java Java Singleton pattern to achieve double-checked locking DCL Why must add volatile
- Explain lock four states - SF
- Object o = new Object () accounts for the number of bytes in memory -? SF
- Please describe the similarities and differences of synchronized and ReentrantLock - SF
- Talk to you as-if-serial and happens - understanding before Meaning - Jingdong
- ? You know ThreadLocal do you know Threadl ocal how to solve memory leaks do -? Jingdong Ali
- Describe the classification and JDK application locks - Ali
- Q: spin locks must be higher than the efficiency of heavyweight lock it - Ali?
- Open biased locking whether efficiency will enhance? Why?
2 Why ask these manufacturers like less than what?
- Pian he could, which was his own cattle
- See attitude you treat technology
- You see the potential in the technical direction
- Competition sieve out
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Origin blog.csdn.net/qq_33589510/article/details/105319066
