static , Generics, Memory Management, Spring, Jsp, Synchronization, Exception Handling, Servlets, Map, Exceptions, Multithreading, Oop Concepts, Design Patterns, Serialization, Hibernate, Jvm, Interfaces, Volatile, Input Output, Collections, Constructors, Final, Synchronized, transient, Access Specifiers, Set, File IO, Java Keywords, List, Abstract Classes, Java 8 or higher

Java, Sql, PL/SQL, Spring Framework, Java Design Patterns, Spring and Hibernate frameworks