Install Apache Spark on Any Operating System and Learn to Program It with Python, Scala or Java
Install and test Apache Spark step by step with Python, Scala and Java, also with Jupyter Notebook and JupyterLab. Work with Big Data the easy way.
Tag: java
How to Build the Java 9 JDK
Learn how to build JDK 9 from source code, just ahead of its imminent release. A step-by-step guide to get the new Java version running on your machine.
Java Type Inference: The Diamond Operator
Java's diamond operator lets you cut down on verbosity when writing your code. Learn how it works with generics and type inference, and where it falls short.
Gson (JSON) in Java, with Examples
GSON is a Java API developed by Google to convert Java objects to JSON (serialization) and JSON to Java objects (deserialization). Learn it with examples.
Singleton Pattern in Java, with Examples
Learn the Singleton design pattern in Java: a software engineering pattern that limits the creation of objects of a class to one, with code examples.
Annotations in Java
Java annotations are simple notes that can change how your program works. Learn to use and create them, with Reflection and Spring dependency injection.
Reflection in Java
Reflection in Java lets you pick a class you wrote earlier and inspect or modify it while the program runs. It's easy to learn with practical examples.
Web Scraping in Java with JSoup (with Examples)
Web scraping is a set of techniques for automatically extracting the content of web pages through their HTML code. Learn how to do it in Java with JSoup.
Reading and Writing Files in Java, with Examples
In this tutorial we'll see how to read and write files in Java, one of the most useful and commonly used tasks when programming. Learn it with examples.
Pattern Matching – Regular Expressions
Everything about regular expressions (Regexp) and pattern matching, with Java, PHP and JavaScript examples covering every possibility
Multitasking and Threads in Java with Examples II (Runnable & Executors)
Learn how to manage a queue of tasks in Java with Runnable, ExecutorService and Executors, using a supermarket checkout example with 8 customers and 2 cashiers.
Exceptions in Java, with Examples
Learn what exceptions are in Java, how the Throwable hierarchy works, and how to handle errors with try - catch - finally, with simple, practical examples.