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Learning Summary:
- Exceptions are divided into (non-fatal and fatal exceptions (Programs cannot be resolved: internal and resource exhaustion errors))
- Custom exception classes are derived from the Exception
- catch exception with try statement p271
- Getmassage () method // for obtaining information about exceptions
- Assertion: The assert keyword assert condition: expression; (condition is false exception occurs)
- enable assertion required on windows->preference->java->installed->jre ( add -ea)
There is an unresolved problem with learning:
Programming the last question 25 lines do not know how to change I have the Internet and discussion with classmates but still did not find out why, I hope the teacher can help me to point out why there are 25 lines, thank you.
201671010130 2016-2017-2 "Java Programming" Nineth Week study Summary
