Java HashMap - The Coding Shala
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In this post, we will see what is Java HashMap and its implementation with example.
Java HashMap is a part of Java collections. The HashMap is a data structure that is used to store (key, value) pairs. In HashMap keys are unique contains values. The HashMap does not maintain the order that means it does not return the keys and values in the same order in which they were inserted into the HashMap.
Java HashMap Implementation
The following Java program explains the basic implementation of Java HashMap:
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