Learn multiple ways of converting Java time objects into Unix-epoch milliseconds

Guava Collections Cookbook illustrating code examples and nothing else.

Learn about the Apache Commons Math, which is the biggest open-source library of mathematical functions and utilities for Java.

A guide to understanding the difference between JVM, JRE, and JDK in Java.

A short intro into the new features of Java 8; the focus is on default and static interface methods, static method references, and Optional.

Interested to learn about JSON Schema? Check our article explaining how to validate a JSON document against a JSON Schema in Java.

Learn about a few bad practices associated with synchronization and the better approaches for each use case

Learn about the constant pool in JVM.

Take a deeper look at the "unchecked conversion" compiler warning message

We often use maps to store a collection of key-value pairs. We explore the Entry objects inside a map and how to make the most of them.

Learn how to build and train a convolutional neural network model using the Deeplearning4j library in Java.

Understand the Adapter Design Pattern with a practical Java implementation

How to Partition a List using Guava or Apache Commons Collections.

Learn how to create a List of primitive integers using core Java and external libraries

Learn the differences between union, intersection, and relative complement, and how to represent each in Java.

If you write tests badly, you end up with a Curdled Test Fixture, where there’s an unholy mess of unrelated tests in the same class. At Interview A great

Since the inception of the Project Jigsaw, one of its goals was to encapsulate most of the JDK internal APIs in order to give the contributors a freedom