Area to focus !

Modules	Sub-Topics
Core Java	OOPs, classes, interfaces, inner classes, Generics etc
	Serialization, custom serialization
	Collections (Linked HashSet, HashMap, TreeMap etc)
	Multithreading (volatile, ThreadPool, Locks etc)
Data Structures	Lists, Trees, Graphs, Queues, Stacks etc
	Problem Solving, Time complexity analysis
Design	Design principles and data structures in context of some real time problem
SQL	Basic SQL Queries
	DB modelling, Query Tuning, Indexes, Qry Plans etc
Spring/ Other frameworks	Spring Core, Dependency Injection, Transaction Management etc
Soft Skills	Communication Skills, Adaptable, Never say die attitude

Interview Process :

·  Online Test

·  Coding Exercise

·  Technical Interview

·  Attributes Interview

Skills to be focused are mentioned below :

·         Core Java

·         OOPS Concepts

·         Immutability & Mutability of Class

·         Inner Classes

·         Serialization

·         Collections

·         JDK 1.5 (enums, generics, annotations, wild cards, compile time/ run rime, type-erasure)

·         Exception Handling

·         Garbage Collection

·         Multithreading

·         Synchronization

·         Concurrent Hashmaps

·         Concurrency APIs(CountdownLatch, Cyclic Barrier & Semaphores)

·         Design patterns

·         DataStructures

·         Algorithms

·         Collections

·         J2EE

·         Spring

·         Hibernate(Any ORM apart from Hibernate will also work)

JMS

·         JSP, Servlets

·         Databases