In this quick tutorial on how the Java HashMap works internally, you'll learn the following aspects: The basic syntax of the Java HashMap. How keys, values, hash codes and node references interact.

In Java, a HashMap stores data in key-value pairs. Each key is unique, and it maps to a specific value. Here’s how HashMap works at a high level ...

While the Hashtable was part of the initial Java release over two decades ago, the HashMap is the correct key-value store to use today. When Java 2 was released, the architects of the language ...