Java

1. Marker Interface

1.1. Serialization

1.2. Clonnable

1.2.1. Shallow copy vs Deep aCopy

2. Collections

2.1. Map,List and Set

2.2. Equals - Hashcode

2.3. Legacy - Synchronized Classes

3. JVM

3.1. Stack vs Heap Memory

3.2. Garbage Collection

3.3. JRE,JVM,JDK

3.4. Class Loaders

4. JavaEE Basics

4.1. Packaging the Applications

4.1.1. WAR

4.1.2. EAR

4.2. Basics

4.2.1. MVC

4.2.2. Serviets

4.2.2.1. Listeners

4.2.2.2. Lifecycle

4.2.3. JSPs

4.3. APs

4.3.1. JPA

4.3.2. JAX-WS

4.3.2.1. SOAP-WEDL Webservices basics

4.3.2.2. Contract first vs

4.3.3. JAX-RS

4.3.3.1. RESTFUL and advantages

4.3.4. JSF

5. Access specifier

5.1. Access modifier

5.1.1. Public

5.1.2. Protected

5.1.3. deafult

5.1.4. private

5.2. Static

5.3. Synchronized

5.4. Synchronized

5.5. Abstract

5.6. transient

5.7. Volatile

6. OOPs

6.1. Encapsulation

6.1.1. Abstraction

6.2. Inheritance

6.2.1. interface - Abstract Class - Casting

6.2.2. IS-A vs HAS-A Relationships

6.2.3. Aggregation vs Composition

7. Threads

7.1. Creating

7.2. Multitasking

7.3. Synchronization

7.4. Thread Transition

8. Exception

8.1. Checked vs Unchecked Exceptions

8.2. Exception handing best practices

8.3. Try,Catch,Finally,Throw,Throws

9. Inner/Nested Classes

10. APIs

10.1. Files

10.2. String - Stringbuffer - String Builder

10.3. Java ID

10.4. XML

10.4.1. SAX Based and DOM based

10.4.2. JAXB - Java APl for XML Binding