Local variable & Global variable in C, Call by value & Call by reference, Data types, Array, Recursion, Operators, Constants.
Overloading & Over ridding function, Inheritance, Class, Access specifier (Private, Public, Protected), Return value with arguments & Return value with no arguments, Constructor and Destructor, Polymorphism, Encapsulation, Data Abstraction.
Linear & Non- linear, Stack Overflow, Queue - FIFO& LIFO, Linked list & its types, Binary Tree, AVL Tree.
Database Language (DDL, DML,DCL) , Normalisation , Primary key and Foreign key , Order by Clause and Group by Clause, Difference between Having Clause and Where Clause, Define Join & its types, Acid Property, Index(clustered & non clustered index), Difference between (DBMS & RDBMS) , Difference between (Truncate & Delete) .
Difference between JDK, JRE, JVM, Difference between Java Platform and other Platforms, Object Oriented Programming Language and Object Based Programming Language.