Java

1. features

1.1. Simple

1.2. Dynamic

1.3. Interpreted

1.4. Portable

1.5. High Performance

1.6. Multi Threading

1.7. Platform Independent

1.8. Robust

1.9. Secured

1.10. Distributed

1.11. Object Oriented

1.12. Architectural Neutral

2. Collection

2.1. Map, List & Set

2.2. Equans-Hashcode

2.3. Legacy-Synchronized Classes

3. JVM

3.1. Stack vs Heap Memory

3.2. Class loaders

3.3. JRE, JVM, JDK

4. OPP

4.1. Classes

4.1.1. Lambda Expressions

4.1.2. Generics

4.1.3. Enum

4.1.4. Anonymous

4.1.5. Nested

4.1.6. Static

4.1.7. Final

4.1.8. Package

4.2. Objects

4.2.1. Common methods

4.2.1.1. Equals

4.2.1.2. HashCode

4.2.1.3. toString

4.2.1.4. notify

4.2.1.5. wait

4.2.1.6. notifyAll

4.3. Encapsulation

4.3.1. Access modifiers

4.3.1.1. public

4.3.1.2. privat

4.3.1.3. protected

4.3.1.4. package

4.4. Polimorphism

4.4.1. Overloading

4.4.2. Overriding

4.4.3. Runtime

4.4.4. Static

4.4.5. Casting

4.4.5.1. Downcasting

4.4.5.2. Upcasting

4.5. Inheritance

4.5.1. Interfaces

4.5.2. Abstract Classes

5. Exception

5.1. Checked Vs Unchecked Exceptions

5.2. Exception handling best practices

5.3. try, catch, finally, throw & throws

6. Language Basics

6.1. Arrays

6.2. Primitive types

6.3. Key words

6.4. Operators

6.4.1. Unary

6.4.2. Equality

6.4.3. Conditional

6.4.4. Bitwise

6.4.5. Arithmetic

6.4.6. Type comparison

6.5. Numbers and String

6.5.1. Number

6.5.2. String

6.6. Exceptions

6.6.1. Try Catch

6.6.2. Finally block

6.6.3. Throws

7. Structures

7.1. Suggested

7.1.1. Documentation Section

7.2. Optional

7.2.1. Package Statement

7.2.2. Import Statement

7.2.3. Interface Statement

7.2.4. Class Definition

7.3. Essential

7.3.1. Main Method Definition

8. Network

8.1. IP Address

8.2. Protocol

8.2.1. TCP

8.2.2. FTP

8.2.3. Telnet

8.2.4. SMTP

8.2.5. POP etc.

8.3. Port Number

8.4. MAC Address

8.5. Connection- oriented and connection less protocol

9. Applications

9.1. Desktop GUI Applications

9.2. Enterprise Applications

9.3. Distributed Applications

9.4. Scientific Applications

9.5. Trading Applications

9.6. Web-based Applications

9.7. Cloud-based Applications

9.8. Web Servers and Applications Servers

9.9. Big Data Technologies

9.10. Gaming and Animation

9.11. Software Tools

9.12. Mobile Applications Development

10. Operators

10.1. Arithmetic Operators

10.1.1. Multiplication

10.1.1.1. *

10.1.2. Addition

10.1.2.1. +

10.1.3. Subtraction

10.1.3.1. -

10.1.4. Division

10.1.4.1. /

10.1.5. Modulus

10.1.5.1. %

10.2. Logical Operators

10.2.1. AND

10.2.1.1. &&

10.2.2. OR

10.2.2.1. II

10.3. Unary Operators

10.3.1. Postfix

10.3.1.1. a++ , a--

10.3.2. Prefix

10.3.2.1. II

10.3.2.2. ++a , --a

10.4. Ternary Operators

10.5. Shift Operators

10.6. Assignment Operators

10.6.1. Bitwise AND

10.6.2. Bitwise exclusive OR

10.6.3. Bitwise inclusive OR

10.7. Relation Operators

10.7.1. Comparison

10.7.2. equality

11. Data Types

11.1. Boolean Type

11.1.1. Boolean

11.2. Numeric Type

11.2.1. Character Value

11.2.1.1. float

11.2.1.2. double

11.2.2. integral value

11.2.2.1. Integer

11.2.2.1.1. byte

11.2.2.1.2. short

11.2.2.1.3. int

11.2.2.1.4. long

11.2.2.2. C

11.2.2.2.1. float

11.2.2.2.2. double

12. Core API

12.1. Annotations

12.1.1. Retention

12.1.1.1. Source

12.1.1.2. Runtime

12.1.1.3. Class

12.1.2. Target

12.1.3. Inherited

12.2. IO

12.2.1. IO streams

12.2.1.1. Byte streams

12.2.1.2. Buffered stream

12.2.1.3. Data stream

12.2.2. File

12.2.2.1. Random Access File

12.3. NIO

12.3.1. Buffer

12.3.2. Channel

12.3.3. Selector

12.4. Reflection

12.5. Concurrency

12.5.1. Process

12.5.2. Thread

12.5.2.1. Creating

12.5.2.2. Lifecycle

12.5.2.3. Join

12.5.2.4. Interrupt

12.5.2.5. Lock

12.5.2.6. Executors

12.5.2.7. Fork Join

12.5.2.8. Atomic types

12.6. Utill

12.6.1. collection

12.6.2. Random Access

12.6.3. Map

12.6.4. String Joiner

12.6.5. Optional

12.6.6. Objects

12.7. Lang

12.7.1. Marker interfaces

12.7.2. Number

12.7.3. String

12.7.3.1. String Builder

12.7.3.2. String Buffer

12.7.4. System

12.7.5. Process

12.7.5.1. Process Builder

12.7.6. Runtime

12.7.7. Thread

12.7.8. Class Loader

12.7.9. Throwable

12.7.9.1. Exception

12.7.9.1.1. Runtime Exception

12.7.9.2. Error

12.8. XML

12.8.1. DOM

12.8.2. SAX

12.8.3. STAX

12.8.4. JAXP

12.9. Date

12.10. Networking

12.10.1. Socket

12.10.2. Datagram

12.11. Security

12.11.1. Signature

12.11.2. Certificate

12.11.3. Key

12.11.4. Message Digest