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Useful classes for data engineers - Scala & Java

Waitingforcode

In this blog post I'll share with you a list of Java and Scala classes I use almost every time in data engineering projects. We all have our habits and as programmers, libraries and frameworks are definitely a part of the group. The part for Python will follow next week!

Scala 130
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The Ultimate Guide to Java Virtual Threads

Rock the JVM

Riccardo is a proud alumnus of Rock the JVM, now a senior engineer working on critical systems written in Java, Scala and Kotlin. Version 19 of Java came at the end of 2022, bringing us a lot of exciting stuff. First, we need to use a version of Java that is at least 19. Another tour de force by Riccardo Cardin.

Java 145
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Why Picnic picked Java

Picnic Engineering

Java 8 was released just the year before, adding the beloved lambdas and streams functionality. So why did we end up picking Java as our backend development stack? Remember how Twitter had to re-platform from Ruby to Java to support its growth? Unlike Twitter, Picnic embraced Java from the get-go! Why Java, the language?

Java 59
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REST APIs Using Play Framework and Scala: A Comprehensive Guide

Rock the JVM

Play Framework “makes it easy to build web applications with Java & Scala”, as it is stated on their site, and it’s true. In this article we will try to develop a basic skeleton for a REST API using Play and Scala. PlayScala plugin defines default settings for Scala-based applications. import Keys._

Scala 52
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A Backtracking Sudoku Solver in Scala

Rock the JVM

This article is for Scala beginners. After you learn the language, the next big thing you need to master is how to write essential “algorithms” in Scala. This tends to make algorithms in Scala quite difficult. This article works identically for Scala 2 and Scala 3. All you need is recursion. map ( row => row.

Scala 40
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Migrating From Elasticsearch 7.17 to Elasticsearch 8.x: Pitfalls and Learnings

Zalando Engineering

The application is written in Scala and using a Java High Level REST Client, which got deprecated in Elasticsearch 7.15.0 and replaced by ElasticSearch Java API client , so first of all, we had to update the codebase to use the new client. However: It’s in Java. x also represented a choice. Both had their pros and cons.

Scala 86
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Scala For Big Data Engineering – Why should you care?

Advancing Analytics: Data Engineering

The thought of learning Scala fills many with fear, its very name often causes feelings of terror. The truth is Scala can be used for many things; from a simple web application to complex ML (Machine Learning). The name Scala stands for “scalable language.” So what companies are actually using Scala?

Scala 52