depending on panel mood. if Junior resources then will be asking on google based.
Senior Java Developer Tech Lead Interview Questions
5,564 senior java developer tech lead interview questions shared by candidates
1. Explain Collection framework in Java? 2. Java 8 Features 3. Sorting array elements ( Based on Comparator & Comparable) 4. OOP Concepts 5. Array List vs Linked List 6. Sort map by value 7. Internal Working of HashMap 8. Serialization 9. map() vs flatmap() 10. Add elements of List of List using Steam API 11. IOC & Depenedncy Injection 12. What is profiles and actuators in Spring Boot? 13. @Controller vs @RestController 14. @Bean vs @Component 15. Explain Auto configuration and Dependency management feature in Spring Boot 16. Get nth highest salary from employee table
What is JIT? What is PC Register? What is cohesion? What is Is-a and Has-a relationship? How classes from packages outside Main class will be initiated? One SQL question.
1. Static method overriding 2. Serialization , Abstraction in general definition 3. Types of caches in hibernate 4. how to add dependency in spring for a bean 5. Diff between DBMS and RDBMS 6. Advt of hibernate cache 7. what are modules in spring
Core java Multithreading
Questions are mainly on Core java for a Java Developer position.
1)Runnable vs callable 2)Solid principle 3)Volatile keyword 4)How to create Immutable class 5)SCP 6)Optional in java 8 7)predicate interface 8)Fail fast vs fail safe 9)threadPool,threadlocal 10)LinkedList 11)Mediator Design Pattern
Dessign patterns used in your project?
what is the memory model in Java 8
Do you know how does HashSet work?
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