1. Code coverage - why and how it works
2. Explain Discovery service, API gateway, Eureka
3. OOP - explain with real world example
4. Encapsulation vs abstraction
5. Access modifiers
6. Final finally finalize
7. Super key word
8. Default method
9. Two static methods are called in a program which executes first?
10. StringBuilder and StringBuffer - purpose
11. Why string is mutable - to make unique with string pool.
12. How Memory works in java - stack heap / others
13. Java 8 feature / latest feature
14. Serializable and marker interface
15. SOLID principle full
16. How SQL works in JPA (hibernate and native query)
17. How Spring Boot works (flow of the framework)

Question

1. Code coverage - why and how it works 
2. Explain Discovery service, API gateway, Eureka
3. OOP - explain with real world example
4. Encapsulation vs abstraction
5. Access modifiers
6. Final finally finalize
7. Super key word
8. Default method
9. Two static methods are called in a program which executes first?
10. StringBuilder and StringBuffer - purpose
11. Why string is mutable - to make unique with string pool.
12. How Memory works in java - stack heap / others
13. Java 8 feature / latest feature
14. Serializable and  marker interface
15. SOLID principle full 
16. How SQL works in JPA (hibernate and native query)
17. How Spring Boot works (flow of the framework)

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