Web Reference: Jul 15, 2025 · More specifically, a Java Map can store pairs of keys and values. Each key is linked to a specific value. Once stored in a Map, you can later look up the value using just the key. Let's consider an example for a better understanding where you will see how you can add elements by using the Map interface in java. Let's have a look. Example: Oct 24, 2013 · Map is a more specific version of a Collection that has a Key -> Data structure. Collection is just the interface that has data structures for storing data in Java. Jan 16, 2026 · This blog demystifies the differences between List and Map, outlines their ideal use cases, and provides practical examples to help you decide when to use one over the other.
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