Checked vs UnChecked Exception
| Checked Exception | UnChecked Exception |
|---|---|
| These are exceptions which occur during compile time of program. | These are exceptions which occur during runtime of program. |
| The compiler checks at the compile time that whether the program contains handlers for checked exception or not. | These exception can not be anticipated and recovered like programming bugs,such as logic error or improper use of an API. |
| These exception extend the java.lang.Exception class | These exception extend the java.lang.RuntimeException class is inherited from java.lang.Exception class |
| e.g:- if you call readLine()method on BufferedReader object then the IOExcetion may occur. However if you do not provide the name of existing file then constructor throws the FileNotFoundException. |
These type of Exceptions that are usually caused by errors,like arithmetic overflow,divide by zero etc. |
