How-Tos

JavaWorld > Android Studio for Beginners [movile java package] > Part 1: Install + Setup

Android Studio for beginners, Part 1: Installation and setup

If you're new to Android Studio, start here: Part 1 walks through installing Android Studio 3.x and launching your first Android project

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How to write agile user stories: 7 guidelines

Beyond the basics: how to provide agile user stories more definition and structure to ensure there is a shared understanding of the intent and underlying requirements

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5 principles to becoming a collaborative agile devops team

Agile and devops are not just practices and technologies—they are designed to change how people in IT work together

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How JavaScript promises work

Learn why JavaScript promises are like a gift box and get up to speed with JavaScript promise syntax

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SQL tutorial: Learn SQL on MariaDB

Follow this step-by-step guide to install MariaDB, load data, connect to a database, and execute SQL queries including table joins

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Tutorial: Spark application architecture and clusters

Learn how Spark components work together and how Spark applications run on standalone and YARN clusters

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Write a purely functional Bubble Sort application

Improve a classic, object-oriented sort application using Java's functional programming capabilities

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Functional programming for Java developers, Part 2

Rewrite object-oriented code using functional techniques. Get started with lambdas, method references, functional interfaces, and the Streams API in Java

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How to use Knime for data science

Free, open-source Knime allows you to visually assemble data processing “nodes” into machine learning, deep learning, and other analytics workflows

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Functional programming for Java developers, Part 1

Optimize your Java code with these five functional programming techniques

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Built for realtime: Big data messaging with Apache Kafka, Part 2

Learn how to use Apache Kafka's partitions, message offsets, and consumer groups to distribute load and scale your applications horizontally, handling up to millions of messages per day

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Built for realtime: Big data messaging with Apache Kafka, Part 1

Apache Kafka scales horizontally and offers much higher throughput than some traditional messaging systems. Get started with installation, then build your first Kafka messaging system

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MariaDB tutorial: Get started with MariaDB

Download, install, and set up a basic instance of the popular open source database with this step-by-step guide

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How to transition to a microservices architecture

When you hit scalability issues or find it has become costly and hard to release regular updates to your monolithic applications, it’s time to move to the microservices approach. Here’s how

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Mastering Spring framework 5, Part 2: Spring WebFlux

Build reactive web applications using Spring WebFlux annotations and functional programming techniques

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Go tutorial: Get started with Google Go

Go is a concise, simple, safe, and fast compiled language that trades features for speed. Isn’t it time you gave it a try?

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Machine learning: How to create a recommendation engine

In this excerpt from the book “Pragmatic AI,” learn how to code recommendation engines based on machine learning in AWS, Azure, and Google Cloud

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Mastering Java exceptions, Part 2: Advanced features and library types

Take your Java exceptions to the next level with stack traces, exception chaining, try-with-resources, final re-throw, and more

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Julia tutorial: Get started with the Julia language

Want the convenience of a dynamic language and the performance of a compiled statically typed language? Try Julia

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Get started with Rust, the language for safer code

Here’s how to get your feet wet with using Rust’s tool chain, creating projects, working with third-party code, and managing libraries

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