Tech Lead Interview Questions

3,069 tech lead interview questions shared by candidates

Round 2 : Serialization, Object Cloning, Collections, Hibernate relationships, Spring AOP, Executer services, Concurrent hashmap (internal working), Reentrant Locks, Spring MVC, REST API, Synchronization, null related questions in collections, Singleton and factory design pattern. Round 4 (Looking for specific answers): Singleton design pattern, how singleton works in multithreaded environment, how java works with native OS thread, thread priority behaviour for singleton object in multithreading, resume explanations (questions will be on specific projects), what new technology explored other than mentioned in resume and questions on that, Green thread in java (outdated question), database optimized performance solution for fetching huge records. How to solve database related lazy loading performance issue.
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Tech Lead

Interviewed at PureSoftware

3.6
Jul 27, 2020

Round 2 : Serialization, Object Cloning, Collections, Hibernate relationships, Spring AOP, Executer services, Concurrent hashmap (internal working), Reentrant Locks, Spring MVC, REST API, Synchronization, null related questions in collections, Singleton and factory design pattern. Round 4 (Looking for specific answers): Singleton design pattern, how singleton works in multithreaded environment, how java works with native OS thread, thread priority behaviour for singleton object in multithreading, resume explanations (questions will be on specific projects), what new technology explored other than mentioned in resume and questions on that, Green thread in java (outdated question), database optimized performance solution for fetching huge records. How to solve database related lazy loading performance issue.

Questions on java, hibernate, Spring, database. There major focus on database part. Mostly theoretical questions. Round 2 : Serialization, cloneable, Class loader, Marker Interface, Functional Interface, Hibernate Relationships, DI in spring, questions related to Null in java collections, Collections, thread safety, concurrent hashmap and its internal working, Spring MVC, REST Api Round 3 (Be careful, people are arrogant) : Explain resume (Questions will be on some project), Internal working of singleton in multi-threaded environment (at OS level), Intent of singleton design pattern, Green thread (outdated question which is related to java v 1.0. Hence you need to remember history as well), performance optimization for database query.
avatar

Tech Lead

Interviewed at PureSoftware

3.6
Jul 27, 2020

Questions on java, hibernate, Spring, database. There major focus on database part. Mostly theoretical questions. Round 2 : Serialization, cloneable, Class loader, Marker Interface, Functional Interface, Hibernate Relationships, DI in spring, questions related to Null in java collections, Collections, thread safety, concurrent hashmap and its internal working, Spring MVC, REST Api Round 3 (Be careful, people are arrogant) : Explain resume (Questions will be on some project), Internal working of singleton in multi-threaded environment (at OS level), Intent of singleton design pattern, Green thread (outdated question which is related to java v 1.0. Hence you need to remember history as well), performance optimization for database query.

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