June 2018
Intermediate to advanced
316 pages
6h 34m
English
Content preview from Mastering High Performance with Kotlin
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Sets
A set is a data structure that stores unrepeated values without any particular order. A common use of this data structure is to check whether a value or subset is included with a set or whether two subsets have common elements.
The most common operations on sets are:
- Union: Returns a new set that contains elements from two given sets without duplicates
- Intersection: Returns a set that contains all common items between two given sets
- Difference: Returns a new set of items that are stored in one set but aren't stored in another
- Subset: Returns a Boolean value that shows whether all items from one set, are contained in another
The following diagram shows the intersection operation:
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