Differences between Runtime/Checked/Unchecked/Error/Exception

Question

What are the Runtime exceptions and what are Checked/Unchecked Exceptions and difference between Error/Exception.Why these many types? Instead Java may simply follow a simpl

Answer 1

• Error (throws by VM, should not be caught or handled)
  1. VM Error
  2. Assertion Error
  3. Linkage Error ...so on
• Runtime/Uncheck Exception(programming error, should not be caught or handled)
  1. NullPointerException
  2. ArrayIndexOutOfBoundException
  3. IllegalArgumentException ... so on
• Check Exception(Anything Else, Applications are expected to be caught or handled)
  1. IOException
  2. FileNotFoundException
  3. SQLException ...so on