Java

1. Applications

1.1. Web Applications

1.2. Mobile Applications

1.3. Embedded Systems

2. Data Type

2.1. Int

2.2. Float

2.3. String

2.4. Char

2.5. Double

3. OOP

3.1. Class

3.2. Object

3.3. Inheritance

3.4. Encapsolution

3.5. Polymorphios

4. Interface

5. Threading

5.1. New

5.2. Run

5.3. Wait

5.4. Ready

5.5. Exicute

6. Features

6.1. Objeect Oriented language

6.2. Architecture-neutral

7. Operators

8. Funcation

8.1. Bulid-in Funcation

8.2. User Define Funcation

9. Package

9.1. Bulid-in Package

9.1.1. Io

9.1.2. Awt

9.1.3. Swing

9.1.4. Server

9.1.5. Applet

9.2. Bulid-in Package