As a Java Full Stack Developer you have to prepare these interview questions What is different Between Call by value vs Call by reference? What is different Between HashMap vs HashTable? What is different Between Set vs list vs Map? What is garbage collection? Why String is immutable? What is indexing? What is different Between Cluster index vs Non-Cluster index? What is different Between REST vs SOAP Web Service? What is Hibernate? How to create REST API? What are the OOP feature? What is callback function? What is closure? What is Inversion of Control and Dependency Injection? What are the Bean scope in Spring? What are the main Design pattern? How to achieve dynamic polymorphism? What is different between Method overloading and overriding ?