Level 9: level plan and extras. materials

Level Plan:

• Introduction to exceptions: try, catch, throws, multy-catch.
• The concept of a stack. CollectionStack
• Getting the call stack. StackTraceElement, methodgetMethodName()
• Introduction to ExceptionsException
• Catching exceptions - blocktry.. catch
• Exception types: checked-controlled (cheket), unchecked-unchecked (anchEket)
• Exception, NullPointerException, ArithmeticException, IOException
• Method signaturethrows
• RuntimeException, methodgetMessage()
• Exception catching, exception bin

At this level, exceptions are treated superficially. Detailed in-depth study will be at 30+ levels.

What else you can see in your spare time:

• Exception difference
• More about exceptions
• What is a "method signature"?

Read about exceptions Read about StackTrace here in English. Below are some videos about exceptions:

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