Hash Code and Copying Objects
Explore the hashCode method in Kotlin, its significance for data structures, and the benefits of the copy method in data classes.
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The hashCode method
Another method from Any is hashCode, which is used to transform an object into an Int. With a hashCode method, the object instance can be stored in the hash table data structure implementations that are part of many popular classes, including HashSet and HashMap. The most important rule of the hashCode implementation are: