Below are the questions asked in both telephonic and video conference interviews Exception Handling Difference between List, Set and Map About Restful Webservices Joins in My SQL About Finally block Difference between POST and PUT About Custom annotations Java 8 features Functional Interface and its implementation Inheritance Example Spring Boot Application annotation Abstraction Interface implementation of Lambda Expression through code enableAutoConfiguration annotation Dependency injection Method Overloading and Overriding difference and examples in code. Streams arraylist and linked list difference collections and collectors String immutable class singleton design pattern create string immutable class final finally and finalize difference polymorphism (runtime and compile time) String pool Serialization and deserialization bean lifecycle failfast vs failsafe hashtable and hashmap difference