September 2015
Intermediate to advanced
250 pages
6h 40m
English
Content preview from Pragmatic ScalaBecome 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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Getting Users’ Input
We’ll build an application that takes a list of stock ticker symbols along with the units of stock users hold and provides to them the total value of their investments as of the current date. This involves several things: getting users’ input, reading files, parsing data, writing to files, fetching data from the web, and displaying information to users.
We’re going to first develop the different parts of the application separately to get a good grasp of the parts individually. Then we’ll put them together to create the application. Let’s get started.
As a first step, we want to know the ticker symbols and units of each stock for which the application should find the values. Scala’s StdIn class can help to get input from ...
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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.