Exception
Object
Null
Class
Array
Arithmetic
Reflection
Parse
Check
Argument
Operation
State
IO
Net
- IOException
- SocketException
- ConnectException：
Connection refused: connect或者Connection timed out: connect
- ConnectException：
- SocketException
- SocketTimeoutException
- connect：
Connect timed out - read：
Read timed out - write：
Write timed out
- connect：
Task
Catch
Throw
Return
Resource
Performance
Theory
Other
Log
Utils
Java
Apache Commons
ExceptionUtils
Google Guava
Throwables
