java
作者:ahmed mandouh
1. features
1.1. Secure
1.2. Simple
1.3. Portable
1.4. Multithreaded
2. Operators
2.1. arithemtic operators
2.2. java assignment operators
2.3. java logical operators
2.4. Bitwise operators
3. data type
3.1. primitive
3.1.1. boolean
3.1.2. char
3.1.3. float
3.1.4. int
3.2. non-primitive
3.2.1. array
3.2.2. string
3.2.3. classes