Array
Represents an array (specifically, a Java array when targeting the JVM platform). Array instances can be created using the arrayOf, arrayOfNulls and emptyArray standard library functions. See Kotlin language documentation for more information on arrays.
Since Kotlin
1.0Represents an array. Array instances can be created using the constructor, arrayOf, arrayOfNulls and emptyArray standard library functions. See Kotlin language documentation for more information on arrays.
Since Kotlin
1.3Functions
Returns a Map containing the elements from the given array indexed by the key returned from keySelector function applied to each element.
Returns a Map containing the values provided by valueTransform and indexed by keySelector functions applied to elements of the given array.
Populates and returns the destination mutable map with key-value pairs, where key is provided by the keySelector function applied to each element of the given array and value is the element itself.
Populates and returns the destination mutable map with key-value pairs, where key is provided by the keySelector function and and value is provided by the valueTransform function applied to elements of the given array.
Populates and returns the destination mutable map with key-value pairs for each element of the given array, where key is the element itself and value is provided by the valueSelector function applied to that key.
Returns an average value of elements in the array.
Searches the array or the range of the array for the provided element using the binary search algorithm. The array is expected to be sorted, otherwise the result is undefined.
Searches the array or the range of the array for the provided element using the binary search algorithm. The array is expected to be sorted according to the specified comparator, otherwise the result is undefined.
Returns 1st element from the array.
Returns 2nd element from the array.
Returns 3rd element from the array.
Returns 4th element from the array.
Returns 5th element from the array.
Returns true if the two specified arrays are deeply equal to one another, i.e. contain the same number of the same elements in the same order.
Returns true if the two specified arrays are deeply equal to one another, i.e. contain the same number of the same elements in the same order.
Returns true if the two specified arrays are deeply equal to one another, i.e. contain the same number of the same elements in the same order.
Returns true if the two specified arrays are deeply equal to one another, i.e. contain the same number of the same elements in the same order.
Returns true if the two specified arrays are deeply equal to one another, i.e. contain the same number of the same elements in the same order.
Returns true if the two specified arrays are deeply equal to one another, i.e. contain the same number of the same elements in the same order.
Returns true if the two specified arrays are deeply equal to one another, i.e. contain the same number of the same elements in the same order.
Returns true if the two specified arrays are deeply equal to one another, i.e. contain the same number of the same elements in the same order.
Returns a hash code based on the contents of this array as if it is List. Nested arrays are treated as lists too.
Returns a hash code based on the contents of this array as if it is List. Nested arrays are treated as lists too.
Returns a hash code based on the contents of this array as if it is List. Nested arrays are treated as lists too.
Returns a hash code based on the contents of this array as if it is List. Nested arrays are treated as lists too.
Returns a hash code based on the contents of this array as if it is List. Nested arrays are treated as lists too.
Returns a hash code based on the contents of this array as if it is List. Nested arrays are treated as lists too.
Returns a string representation of the contents of this array as if it is a List. Nested arrays are treated as lists too.
Returns a string representation of the contents of this array as if it is a List. Nested arrays are treated as lists too.
Returns a string representation of the contents of this array as if it is a List. Nested arrays are treated as lists too.
Returns a string representation of the contents of this array as if it is a List. Nested arrays are treated as lists too.
Returns a string representation of the contents of this array as if it is a List. Nested arrays are treated as lists too.
Returns a string representation of the contents of this array as if it is a List. Nested arrays are treated as lists too.
Returns true if the two specified arrays are structurally equal to one another, i.e. contain the same number of the same elements in the same order.
Returns true if the two specified arrays are structurally equal to one another, i.e. contain the same number of the same elements in the same order.
Returns true if the two specified arrays are structurally equal to one another, i.e. contain the same number of the same elements in the same order.
Returns true if the two specified arrays are structurally equal to one another, i.e. contain the same number of the same elements in the same order.
Returns true if the two specified arrays are structurally equal to one another, i.e. contain the same number of the same elements in the same order.
Returns true if the two specified arrays are structurally equal to one another, i.e. contain the same number of the same elements in the same order.
Returns true if the two specified arrays are structurally equal to one another, i.e. contain the same number of the same elements in the same order.
Returns true if the two specified arrays are structurally equal to one another, i.e. contain the same number of the same elements in the same order.
Returns a hash code based on the contents of this array as if it is List.
Returns a hash code based on the contents of this array as if it is List.
Returns a hash code based on the contents of this array as if it is List.
Returns a hash code based on the contents of this array as if it is List.
Returns a string representation of the contents of the specified array as if it is List.
Returns a string representation of the contents of the specified array as if it is List.
Returns a string representation of the contents of the specified array as if it is List.
Returns a string representation of the contents of the specified array as if it is List.
Returns a string representation of the contents of the specified array as if it is List.
Returns a string representation of the contents of the specified array as if it is List.
Copies this array or its subrange into the destination array and returns that array.
Copies this array or its subrange into the destination array and returns that array.
Returns new array which is a copy of the original array.
Returns new array which is a copy of the original array, resized to the given newSize. The copy is either truncated or padded at the end with null values if necessary.
Returns new array which is a copy of the original array.
Returns new array which is a copy of the original array, resized to the given newSize. The copy is either truncated or padded at the end with null values if necessary.
Returns new array which is a copy of the original array.
Returns new array which is a copy of the original array, resized to the given newSize. The copy is either truncated or padded at the end with null values if necessary.
Returns new array which is a copy of the original array.
Returns new array which is a copy of the original array, resized to the given newSize. The copy is either truncated or padded at the end with null values if necessary.
Returns a new array which is a copy of the specified range of the original array.
Returns a new array which is a copy of the specified range of the original array.
Returns an element at the given index or throws an IndexOutOfBoundsException if the index is out of bounds of this array.
Returns an element at the given index or throws an IndexOutOfBoundsException if the index is out of bounds of this array.
Returns an element at the given index or throws an IndexOutOfBoundsException if the index is out of bounds of this array.
Appends all elements matching the given predicate to the given destination.
Returns a list containing all elements that are instances of specified type parameter R.
Appends all elements that are instances of specified type parameter R to the given destination.
Appends all elements that are instances of specified class to the given destination.
Appends all elements that are not null to the given destination.
Appends all elements not matching the given predicate to the given destination.
Returns a single list of all elements yielded from results of transform function being invoked on each element of original array.
Returns a single list of all elements yielded from results of transform function being invoked on each element of original array.
Returns a single list of all elements yielded from results of transform function being invoked on each element and its index in the original array.
Appends all elements yielded from results of transform function being invoked on each element and its index in the original array, to the given destination.
Appends all elements yielded from results of transform function being invoked on each element of original array, to the given destination.
Appends all elements yielded from results of transform function being invoked on each element of original array, to the given destination.
Returns the array element at the specified index. This method can be called using the index operator.
Groups elements of the original array by the key returned by the given keySelector function applied to each element and returns a map where each group key is associated with a list of corresponding elements.
Groups values returned by the valueTransform function applied to each element of the original array by the key returned by the given keySelector function applied to the element and returns a map where each group key is associated with a list of corresponding values.
Groups elements of the original array by the key returned by the given keySelector function applied to each element and puts to the destination map each group key associated with a list of corresponding elements.
Groups values returned by the valueTransform function applied to each element of the original array by the key returned by the given keySelector function applied to the element and puts to the destination map each group key associated with a list of corresponding values.
Returns true if the array is not empty.
Returns true if this nullable array is either null or empty.
Appends the string from all the elements separated using separator and using the given prefix and postfix if supplied.
Creates a string from all the elements separated using separator and using the given prefix and postfix if supplied.
Applies the given transform function to each element and its index in the original array and appends only the non-null results to the given destination.
Applies the given transform function to each element and its index in the original array and appends the results to the given destination.
Applies the given transform function to each element in the original array and appends only the non-null results to the given destination.
Returns the largest element.
Returns the first element yielding the largest value of the given function or null if there are no elements.
Returns the largest value among all values produced by selector function applied to each element in the array.
Returns the largest value among all values produced by selector function applied to each element in the array or null if there are no elements.
Returns the largest value according to the provided comparator among all values produced by selector function applied to each element in the array or null if there are no elements.
Returns the first element having the largest value according to the provided comparator or null if there are no elements.
Returns the smallest element.
Returns the first element yielding the smallest value of the given function or null if there are no elements.
Returns the smallest value among all values produced by selector function applied to each element in the array.
Returns the smallest value among all values produced by selector function applied to each element in the array or null if there are no elements.
Returns the smallest value according to the provided comparator among all values produced by selector function applied to each element in the array or null if there are no elements.
Returns the first element having the smallest value according to the provided comparator or null if there are no elements.
Returns the array if it's not null, or an empty array otherwise.
Returns the array if it's not null, or an empty array otherwise.
Returns the array if it's not null, or an empty array otherwise.
Returns an array containing all elements of the original array and then the given element.
Returns an array containing all elements of the original array and then all elements of the given elements array.
Returns an array containing all elements of the original array and then all elements of the given elements collection.
Returns an array containing all elements of the original array and then the given element.
Returns an array containing all elements of the original array and then all elements of the given elements array.
Returns an array containing all elements of the original array and then all elements of the given elements collection.
Returns an array containing all elements of the original array and then the given element.
Returns an array containing all elements of the original array and then all elements of the given elements array.
Returns an array containing all elements of the original array and then all elements of the given elements collection.
Returns an array containing all elements of the original array and then the given element.
Returns an array containing all elements of the original array and then all elements of the given elements array.
Returns an array containing all elements of the original array and then all elements of the given elements collection.
Returns an array containing all elements of the original array and then the given element.
Returns an array containing all elements of the original array and then the given element.
Returns an array containing all elements of the original array and then the given element.
Returns a random element from this array, or null if this array is empty.
Returns a random element from this array using the specified source of randomness, or null if this array is empty.
Returns an original collection containing all the non-null elements, throwing an IllegalArgumentException if there are any null elements.
Returns a list containing successive accumulation values generated by applying operation from left to right to each element, its index in the original array and current accumulator value that starts with initial value.
Returns a list containing successive accumulation values generated by applying operation from left to right to each element and current accumulator value that starts with the first element of this array.
Returns a list containing successive accumulation values generated by applying operation from left to right to each element, its index in the original array and current accumulator value that starts with the first element of this array.
Returns a list containing successive accumulation values generated by applying operation from left to right to each element, its index in the original array and current accumulator value that starts with initial value.
Returns the single element, or throws an exception if the array is empty or has more than one element.
Returns the single element matching the given predicate, or throws exception if there is no or more than one matching element.
Returns single element, or null if the array is empty or has more than one element.
Returns the single element matching the given predicate, or null if element was not found or more than one element was found.
Sorts the array in-place according to the natural order of its elements.
Sorts a range in the array in-place.
Sorts the array in-place according to the natural order of its elements.
Sorts the array in-place according to the order specified by the given comparison function.
Sorts a range in the array in-place.
Sorts the array in-place according to the natural order of its elements.
Sorts a range in the array in-place.
Sorts a range in the array in-place.
Sorts elements in the array in-place descending according to natural sort order of the value returned by specified selector function.
Sorts elements in the array in-place descending according to their natural sort order.
Sorts elements of the array in the specified range in-place. The elements are sorted descending according to their natural sort order.
Returns an array with all elements of this array sorted according to their natural sort order.
Returns an array with all elements of this array sorted descending according to their natural sort order.
Returns an array with all elements of this array sorted according the specified comparator.
Returns a list of all elements sorted descending according to their natural sort order.
Returns a list of all elements sorted according to the specified comparator.
Sorts the array in-place according to the order specified by the given comparator.
Sorts a range in the array in-place with the given comparator.
Sorts the array in-place according to the order specified by the given comparator.
Sorts a range in the array in-place with the given comparator.
Sorts the array in-place according to the order specified by the given comparator.
Sorts a range in the array in-place with the given comparator.
Sorts the array in-place according to the order specified by the given comparator.
Sorts a range in the array in-place with the given comparator.
Returns the sum of all elements in the array.
Returns the sum of all elements in the array.
Returns the sum of all values produced by selector function applied to each element in the array.
Returns the sum of all values produced by selector function applied to each element in the array.
Returns the sum of all values produced by selector function applied to each element in the array.
Returns an array of Boolean containing all of the elements of this generic array.
Returns an array of Byte containing all of the elements of this generic array.
Returns an array of Char containing all of the elements of this generic array.
Appends all elements to the given destination collection.
Convert this array of Kotlin strings to C array of C strings, allocating memory for the array and C strings with given AutofreeScope.
Returns an array of Double containing all of the elements of this generic array.
Returns an array of Float containing all of the elements of this generic array.
Returns an array of Int containing all of the elements of this generic array.
Returns an array of Long containing all of the elements of this generic array.
Returns a new map containing all key-value pairs from the given array of pairs.
Populates and returns the destination mutable map with key-value pairs from the given array of pairs.
Returns a new MutableList filled with all elements of this array.
Returns a new MutableSet containing all distinct elements from the given array.
Returns an array of Short containing all of the elements of this generic array.
Returns a new SortedSet of all elements.
Returns an array of UByte containing all of the elements of this generic array.
Returns an array of UInt containing all of the elements of this generic array.
Returns an array of ULong containing all of the elements of this generic array.
Returns an array of UShort containing all of the elements of this generic array.
Returns a lazy Iterable that wraps each element of the original array into an IndexedValue containing the index of that element and the element itself.
Returns a list of pairs built from the elements of this array and the other array with the same index. The returned list has length of the shortest collection.
Returns a list of pairs built from the elements of this collection and other array with the same index. The returned list has length of the shortest collection.
Returns a list of values built from the elements of this array and the other array with the same index using the provided transform function applied to each pair of elements. The returned list has length of the shortest collection.
Returns a list of values built from the elements of this array and the other collection with the same index using the provided transform function applied to each pair of elements. The returned list has length of the shortest collection.