Java inspected and non-inspected exceptions

Always remember what is the exception of the exam, what is abnormal, and sometimes even confused, hereby simply record for review purposes.

Classification of exceptions:
Java.lang.Throwable
1.Error error: A serious problem inside the JVM. cannot be recovered. The program personnel do not have to deal.
2.Exception exception: a common problem. Through reasonable processing, the program can also return to the normal execution process. Requires the programmer to do the processing.
3.RuntimeException: Also known as non-inspected exception (unchecked exception). This type of exception is a logical problem for programmers. should be held accountable. The Java compiler does not enforce the requirement processing. In other words, this kind of abnormal procedure, can be processed, also can not be processed.
4. Abnormal (checked exception). Such anomalies are caused by some external accidental factors. The Java compiler enforces the requirement for processing. In other words, the program must handle this type of exception.

Common exceptions:
1) Non-inspected: Nullpointerexception,classcastexception,arrayindexsoutofboundsexception,arithmeticexception (arithmetic exception, except 0 overflow)
2) Inspected: Exception,filenotfoundexception,ioexception,sqlexception.

Java inspected and non-inspected exceptions