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What are Functions of List Interface in Kotlin? (Part - 1)
1. abstract fun contains(element: E): Boolean
It checks specified element is contained in this collection.
2. abstract fun containsAll(elements: Collection): Boolean
It checks all elements specified are contained in this collection.
3. abstract operator fun get(index: Int): E
It returns the element at given index from the list.
4. abstract fun indexOf(element: E): Int
Returns the index of first occurrence of specified element in the list, or -1 if specified element is not present in list.
5. abstract fun isEmpty(): Boolean
It returns the true if list is empty, otherwise false.
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What are Collections in Kotlin?
Collections in Kotlin are used to store group of related objects in a single unit.
By using collection, we can store, retrieve manipulate and aggregate data.
Kotlin collections are broadly categories into two different forms:-
A. Immutable Collection
B. Mutable Collection
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What are Dictionary functions in iOS Swift?
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What is Dictionary in iOS Swift?
A Swift dictionary is a simple container that can contain multiple data as key-value pair in an unordered way.
Swift dictionary is used instead of array when you want to look up value with some identifier in the collection.
To create an empty dictionary, we specify the key:value Data type inside square brackets [].
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