March 2013
Intermediate to advanced
224 pages
5h 17m
German
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try-Anweisungen und Exceptions
Eine
try-Anweisung definiert einen Codeblock, der einer
Fehlerbehandlung untersteht oder nach dem auf jeden Fall aufgeräumt werden soll. Auf
den try-Block muss ein catch-Block, ein abschließender
finally-Block oder beides folgen.
Der finally-Block wird ausgeführt, wenn der try-Block verlassen wird (oder – falls vorhanden –
der catch-Block), um Code auszuführen, der auf jeden
Fall am Ende laufen soll, egal ob ein Fehler aufgetreten ist oder nicht.
Ein
catch-Block hat Zugriff auf ein Exception-Objekt, das Informationen über den Fehler enthält. Sie
verwenden einen catch-Block, um entweder den Fehler zu
beheben oder die Exception weiterzuwerfen. Sie werfen dann eine Exception weiter, wenn Sie das Problem nur protokollieren ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.