October 2017
Beginner
318 pages
7h 26m
English
Content preview from Java Programming for Beginners
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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.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.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.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.
Handling exceptions
When Java is told to throw an exception, it stops executing the current code block and begins jumping up levels until the exception is handled. That's how we moved from deep within the Scanner.java class' 909 line to line 11 of Exceptions.java, the piece in our code where, as far as we're concerned, the exception occurred. If our code were executed by another block of code, because we haven't handled this exception, instead of printing out to System.err, we'd simply throw the exception up another level. Due to this, they'd see line 11 of Exception.java in their stack trace.
However, sometimes it doesn't make sense to keep throwing an exception. Sometimes, we want to handle the exception case because we know what to do ...
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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.
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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.