July 2023
Intermediate to advanced
276 pages
6h 55m
English
Content preview from Functional Programming in Java, 2nd EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Taking a Holistic View of Error Handling
Before we dive into code we need to step back and think about handling errors. We’ll discuss an example application here and use that to drive the discussions on error handling in the rest of this chapter.
Suppose we’re asked to write a program to print the names of the airports given a list of IATA codes. The happy path is simple to visualize—given the list, map it to the names, and print. But there are a few things that could go wrong in the process. We may run into a network error when accessing the details from a remote web service that provides the mapping of IATA codes to airport names. It’s also possible that one or more of the given IATA codes are not valid or not recognized by the web service. ...
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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.