Java Map Interface | Java Map Methods | HashMap TreeMap LinkedHashMap | Data Structures & Algorithms
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In this Video, I have taught the throry of Java Map & explained Java HashMap, TreeMap & LinkedHashMap & the 2 interfaces Map & SortedMap.
& Nest sessions We'll be going deep inside every single types of Map classifications.
A Java Map is a data structure that stores key-value pairs, allowing you to efficiently map keys to their corresponding values. It is part of the java.util package, and common implementations include HashMap, TreeMap, and LinkedHashMap. Unlike lists or arrays, a Map cannot have duplicate keys, but values can be duplicated. You can use methods like put(), get(), containsKey(), and remove() to manipulate entries. Maps are great for scenarios like counting occurrences, caching, and lookups, making them an essential tool for Java developers.
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