Java Programming: Lesson 45 - Printing Formatted Strings

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Exceptions allow you to divert program code if it is susceptible to throwing an error. I provide a lot of descriptions, notes, and static methods for studying, practicing, and working with exceptions in the previous video.

organic exceptions: naturally thrown in Java when you write code that is prone to an error
engineered exceptions: thrown in Java when you manually command that it throw an exception
handled exceptions: prevented in Java by using try-catch architecture to handle "dangerous" code

You can pass in a String when you throw an exception to throw a particular error message

try
{
//safe line
//dangerousCodeThatMightThrowAnException
//onlyMakesItHereIfTheDangerousCodeRanSuccessfully
}
catch( SpecificException s )
{
//runsIfTheSpecificErrorAppliesInTheTryBlock
}
catch( Exception w )
{
//runsIfAnErrorOtherThanSpecificExceptionAboveWasCaughtInTheTryBlock
}
finally
{
//runsRegardlessEvenIfAnExceptionOrRuntimeErrorIsThrown
}

You cannot put a superclass of Exception before a more particular subclass of Exception. (In other words, you cannot handle a specific type of error after you're already handling a more general type of error that would already catch the specific type.)

1:13 Review of Exceptions

There are a couple of videos regarding the printing of formatted strings in Python:

(Ended up geeking out and doing many more lessons, so happy birthday. You're welcome.)

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