# IntFloatMap # IntFloatMap Artifact:[androidx.collection:collection](https://developer.android.com/jetpack/androidx/releases/collection) [View Source](https://cs.android.com/search?q=file:androidx/collection/IntFloatMap.kt+class:androidx.collection.IntFloatMap) Added in[1.4.0](https://developer.android.com/jetpack/androidx/releases/collection#1.4.0) *** ** * ** *** Kotlin\|[Java](https://developer.android.com/reference/androidx/collection/IntFloatMap "View this page in Java") Common/AllAndroid/JVMNative/C/iOSJavaScript - Cmn ``` sealed class IntFloatMap ``` Known direct subclasses [MutableIntFloatMap](https://developer.android.com/reference/kotlin/androidx/collection/MutableIntFloatMap) |-------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [MutableIntFloatMap](https://developer.android.com/reference/kotlin/androidx/collection/MutableIntFloatMap) | [MutableIntFloatMap](https://developer.android.com/reference/kotlin/androidx/collection/MutableIntFloatMap)is a container with a[MutableMap](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-mutable-map/index.html)-like interface for[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html)primitive keys and[Float](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html)primitive values. | *** ** * ** *** [IntFloatMap](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap)is a container with a[Map](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-map/index.html)-like interface for[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html)primitive keys and[Float](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html)primitive values. The underlying implementation is designed to avoid allocations from boxing, and insertion, removal, retrieval, and iteration operations. Allocations may still happen on insertion when the underlying storage needs to grow to accommodate newly added entries to the table. In addition, this implementation minimizes memory usage by avoiding the use of separate objects to hold key/value pairs. This implementation makes no guarantee as to the order of the keys and values stored, nor does it make guarantees that the order remains constant over time. This implementation is not thread-safe: if multiple threads access this container concurrently, and one or more threads modify the structure of the map (insertion or removal for instance), the calling code must provide the appropriate synchronization. Multiple threads are safe to read from this map concurrently if no write is happening. This implementation is read-only and only allows data to be queried. A mutable implementation is provided by[MutableIntFloatMap](https://developer.android.com/reference/kotlin/androidx/collection/MutableIntFloatMap). | See also | |-------------------------------------------------------------------------------------------------------------|---| | [MutableIntFloatMap](https://developer.android.com/reference/kotlin/androidx/collection/MutableIntFloatMap) | | | [ScatterMap](https://developer.android.com/reference/kotlin/androidx/collection/ScatterMap) | | ## Summary | ### Protected constructors | |-----------------------------------------------------------------------------------------------------------------|-----| | [IntFloatMap](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#IntFloatMap())`()` | Cmn | | ### Public functions | |-------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----| | `inline `[Boolean](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html) | [all](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#all(kotlin.Function2))`(predicate: (`[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html)`, `[Float](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html)`) `->` `[Boolean](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html)`)` Returns true if all entries match the given[predicate](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#all(kotlin.Function2)). | Cmn | | [Boolean](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html) | [any](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#any())`()` Returns`true`if this map has at least one entry. | Cmn | | `inline `[Boolean](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html) | [any](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#any(kotlin.Function2))`(predicate: (`[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html)`, `[Float](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html)`) `->` `[Boolean](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html)`)` Returns true if at least one entry matches the given[predicate](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#any(kotlin.Function2)). | Cmn | | `inline operator `[Boolean](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html) | [contains](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#contains(kotlin.Int))`(key: `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html)`)` Returns true if the specified[key](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#contains(kotlin.Int))is present in this map, false otherwise. | Cmn | | [Boolean](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html) | [containsKey](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#containsKey(kotlin.Int))`(key: `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html)`)` Returns true if the specified[key](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#containsKey(kotlin.Int))is present in this map, false otherwise. | Cmn | | [Boolean](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html) | [containsValue](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#containsValue(kotlin.Float))`(value: `[Float](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html)`)` Returns true if the specified[value](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#containsValue(kotlin.Float))is present in this map, false otherwise. | Cmn | | [Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [count](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#count())`()` Returns the number of entries in this map. | Cmn | | `inline `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [count](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#count(kotlin.Function2))`(predicate: (`[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html)`, `[Float](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html)`) `->` `[Boolean](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html)`)` Returns the number of entries matching the given[predicate](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#count(kotlin.Function2)). | Cmn | | `open operator `[Boolean](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html) | [equals](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#equals(kotlin.Any))`(other: `[Any](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html)`?)` Compares the specified object[other](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#equals(kotlin.Any))with this hash map for equality. | Cmn | | `inline `[Unit](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html) | [forEach](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#forEach(kotlin.Function2))`(block: (key: `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html)`, value: `[Float](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html)`) `->` `[Unit](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html)`)` Iterates over every key/value pair stored in this map by invoking the specified[block](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#forEach(kotlin.Function2))lambda. | Cmn | | `inline `[Unit](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html) | [forEachKey](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#forEachKey(kotlin.Function1))`(block: (key: `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html)`) `->` `[Unit](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html)`)` Iterates over every key stored in this map by invoking the specified[block](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#forEachKey(kotlin.Function1))lambda. | Cmn | | `inline `[Unit](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html) | [forEachValue](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#forEachValue(kotlin.Function1))`(block: (value: `[Float](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html)`) `->` `[Unit](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html)`)` Iterates over every value stored in this map by invoking the specified[block](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#forEachValue(kotlin.Function1))lambda. | Cmn | | `operator `[Float](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html) | [get](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#get(kotlin.Int))`(key: `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html)`)` Returns the value corresponding to the given[key](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#get(kotlin.Int)). | Cmn | | [Float](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html) | [getOrDefault](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#getOrDefault(kotlin.Int,kotlin.Float))`(key: `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html)`, defaultValue: `[Float](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html)`)` Returns the value to which the specified[key](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#getOrDefault(kotlin.Int,kotlin.Float))is mapped, or[defaultValue](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#getOrDefault(kotlin.Int,kotlin.Float))if this map contains no mapping for the key. | Cmn | | `inline `[Float](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html) | [getOrElse](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#getOrElse(kotlin.Int,kotlin.Function0))`(key: `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html)`, defaultValue: () `->` `[Float](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html)`)` Returns the value for the given[key](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#getOrElse(kotlin.Int,kotlin.Function0))if the value is present and not null. | Cmn | | `open `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [hashCode](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#hashCode())`()` Returns the hash code value for this map. | Cmn | | [Boolean](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html) | [isEmpty](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#isEmpty())`()` Indicates whether this map is empty. | Cmn | | [Boolean](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html) | [isNotEmpty](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#isNotEmpty())`()` Returns`true`if this map is not empty. | Cmn | | [String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html) | [joinToString](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#joinToString(kotlin.CharSequence,kotlin.CharSequence,kotlin.CharSequence,kotlin.Int,kotlin.CharSequence))`(` ` separator: `[CharSequence](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-char-sequence/index.html)`,` ` prefix: `[CharSequence](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-char-sequence/index.html)`,` ` postfix: `[CharSequence](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-char-sequence/index.html)`,` ` limit: `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html)`,` ` truncated: `[CharSequence](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-char-sequence/index.html) `)` Creates a String from the entries, separated by[separator](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#joinToString(kotlin.CharSequence,kotlin.CharSequence,kotlin.CharSequence,kotlin.Int,kotlin.CharSequence))and using[prefix](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#joinToString(kotlin.CharSequence,kotlin.CharSequence,kotlin.CharSequence,kotlin.Int,kotlin.CharSequence))before and[postfix](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#joinToString(kotlin.CharSequence,kotlin.CharSequence,kotlin.CharSequence,kotlin.Int,kotlin.CharSequence))after, if supplied. | Cmn | | `inline `[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html) | [joinToString](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#joinToString(kotlin.CharSequence,kotlin.CharSequence,kotlin.CharSequence,kotlin.Int,kotlin.CharSequence,kotlin.Function2))`(` ` separator: `[CharSequence](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-char-sequence/index.html)`,` ` prefix: `[CharSequence](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-char-sequence/index.html)`,` ` postfix: `[CharSequence](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-char-sequence/index.html)`,` ` limit: `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html)`,` ` truncated: `[CharSequence](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-char-sequence/index.html)`,` ` crossinline transform: (key: `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html)`, value: `[Float](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html)`) `->` `[CharSequence](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-char-sequence/index.html) `)` Creates a String from the entries, separated by[separator](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#joinToString(kotlin.CharSequence,kotlin.CharSequence,kotlin.CharSequence,kotlin.Int,kotlin.CharSequence,kotlin.Function2))and using[prefix](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#joinToString(kotlin.CharSequence,kotlin.CharSequence,kotlin.CharSequence,kotlin.Int,kotlin.CharSequence,kotlin.Function2))before and[postfix](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#joinToString(kotlin.CharSequence,kotlin.CharSequence,kotlin.CharSequence,kotlin.Int,kotlin.CharSequence,kotlin.Function2))after, if supplied. | Cmn | | [Boolean](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html) | [none](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#none())`()` Returns`true`if this map has no entries. | Cmn | | `open `[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html) | [toString](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#toString())`()` Returns a string representation of this map. | Cmn | | ### Public properties | |-----------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----| | [Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [capacity](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#capacity()) Returns the number of key-value pairs that can be stored in this map without requiring internal storage reallocation. | Cmn | | [Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [size](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#size()) Returns the number of key-value pairs in this map. | Cmn | ## Protected constructors ### IntFloatMap Cmn ``` protected IntFloatMap() ``` ## Public functions ### all Cmn Added in[1.4.0](https://developer.android.com/jetpack/androidx/releases/collection#1.4.0) ``` inline fun all(predicate: (Int, Float) -> Boolean): Boolean ``` Returns true if all entries match the given[predicate](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#all(kotlin.Function2)). ### any Cmn Added in[1.4.0](https://developer.android.com/jetpack/androidx/releases/collection#1.4.0) ``` fun any(): Boolean ``` Returns`true`if this map has at least one entry. ### any Cmn Added in[1.4.0](https://developer.android.com/jetpack/androidx/releases/collection#1.4.0) ``` inline fun any(predicate: (Int, Float) -> Boolean): Boolean ``` Returns true if at least one entry matches the given[predicate](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#any(kotlin.Function2)). ### contains Cmn Added in[1.4.0](https://developer.android.com/jetpack/androidx/releases/collection#1.4.0) ``` inline operator fun contains(key: Int): Boolean ``` Returns true if the specified[key](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#contains(kotlin.Int))is present in this map, false otherwise. ### containsKey Cmn Added in[1.4.0](https://developer.android.com/jetpack/androidx/releases/collection#1.4.0) ``` fun containsKey(key: Int): Boolean ``` Returns true if the specified[key](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#containsKey(kotlin.Int))is present in this map, false otherwise. ### containsValue Cmn Added in[1.4.0](https://developer.android.com/jetpack/androidx/releases/collection#1.4.0) ``` fun containsValue(value: Float): Boolean ``` Returns true if the specified[value](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#containsValue(kotlin.Float))is present in this map, false otherwise. ### count Cmn Added in[1.4.0](https://developer.android.com/jetpack/androidx/releases/collection#1.4.0) ``` fun count(): Int ``` Returns the number of entries in this map. ### count Cmn Added in[1.4.0](https://developer.android.com/jetpack/androidx/releases/collection#1.4.0) ``` inline fun count(predicate: (Int, Float) -> Boolean): Int ``` Returns the number of entries matching the given[predicate](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#count(kotlin.Function2)). ### equals Cmn ``` open operator fun equals(other: Any?): Boolean ``` Compares the specified object[other](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#equals(kotlin.Any))with this hash map for equality. The two objects are considered equal if[other](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#equals(kotlin.Any)): - Is a[IntFloatMap](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap) - Has the same[size](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#size())as this map - Contains key/value pairs equal to this map's pair ### forEach Cmn Added in[1.4.0](https://developer.android.com/jetpack/androidx/releases/collection#1.4.0) ``` inline fun forEach(block: (key: Int, value: Float) -> Unit): Unit ``` Iterates over every key/value pair stored in this map by invoking the specified[block](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#forEach(kotlin.Function2))lambda. ### forEachKey Cmn Added in[1.4.0](https://developer.android.com/jetpack/androidx/releases/collection#1.4.0) ``` inline fun forEachKey(block: (key: Int) -> Unit): Unit ``` Iterates over every key stored in this map by invoking the specified[block](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#forEachKey(kotlin.Function1))lambda. ### forEachValue Cmn Added in[1.4.0](https://developer.android.com/jetpack/androidx/releases/collection#1.4.0) ``` inline fun forEachValue(block: (value: Float) -> Unit): Unit ``` Iterates over every value stored in this map by invoking the specified[block](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#forEachValue(kotlin.Function1))lambda. ### get Cmn Added in[1.4.0](https://developer.android.com/jetpack/androidx/releases/collection#1.4.0) ``` operator fun get(key: Int): Float ``` Returns the value corresponding to the given[key](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#get(kotlin.Int)). | Throws | |-----------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------| | [kotlin.NoSuchElementException](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-no-such-element-exception/index.html) | if[key](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#get(kotlin.Int))is not in the map | ### getOrDefault Cmn Added in[1.4.0](https://developer.android.com/jetpack/androidx/releases/collection#1.4.0) ``` fun getOrDefault(key: Int, defaultValue: Float): Float ``` Returns the value to which the specified[key](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#getOrDefault(kotlin.Int,kotlin.Float))is mapped, or[defaultValue](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#getOrDefault(kotlin.Int,kotlin.Float))if this map contains no mapping for the key. ### getOrElse Cmn Added in[1.4.0](https://developer.android.com/jetpack/androidx/releases/collection#1.4.0) ``` inline fun getOrElse(key: Int, defaultValue: () -> Float): Float ``` Returns the value for the given[key](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#getOrElse(kotlin.Int,kotlin.Function0))if the value is present and not null. Otherwise, returns the result of the[defaultValue](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#getOrElse(kotlin.Int,kotlin.Function0))function. ### hashCode Cmn ``` open fun hashCode(): Int ``` Returns the hash code value for this map. The hash code the sum of the hash codes of each key/value pair. ### isEmpty Cmn Added in[1.4.0](https://developer.android.com/jetpack/androidx/releases/collection#1.4.0) ``` fun isEmpty(): Boolean ``` Indicates whether this map is empty. ### isNotEmpty Cmn Added in[1.4.0](https://developer.android.com/jetpack/androidx/releases/collection#1.4.0) ``` fun isNotEmpty(): Boolean ``` Returns`true`if this map is not empty. ### joinToString Cmn Added in[1.4.0](https://developer.android.com/jetpack/androidx/releases/collection#1.4.0) ``` fun joinToString(     separator: CharSequence = ", ",     prefix: CharSequence = "",     postfix: CharSequence = "",     limit: Int = -1,     truncated: CharSequence = "..." ): String ``` Creates a String from the entries, separated by[separator](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#joinToString(kotlin.CharSequence,kotlin.CharSequence,kotlin.CharSequence,kotlin.Int,kotlin.CharSequence))and using[prefix](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#joinToString(kotlin.CharSequence,kotlin.CharSequence,kotlin.CharSequence,kotlin.Int,kotlin.CharSequence))before and[postfix](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#joinToString(kotlin.CharSequence,kotlin.CharSequence,kotlin.CharSequence,kotlin.Int,kotlin.CharSequence))after, if supplied. When a non-negative value of[limit](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#joinToString(kotlin.CharSequence,kotlin.CharSequence,kotlin.CharSequence,kotlin.Int,kotlin.CharSequence))is provided, a maximum of[limit](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#joinToString(kotlin.CharSequence,kotlin.CharSequence,kotlin.CharSequence,kotlin.Int,kotlin.CharSequence))items are used to generate the string. If the collection holds more than[limit](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#joinToString(kotlin.CharSequence,kotlin.CharSequence,kotlin.CharSequence,kotlin.Int,kotlin.CharSequence))items, the string is terminated with[truncated](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#joinToString(kotlin.CharSequence,kotlin.CharSequence,kotlin.CharSequence,kotlin.Int,kotlin.CharSequence)). ### joinToString Cmn ``` inline fun joinToString(     separator: CharSequence = ", ",     prefix: CharSequence = "",     postfix: CharSequence = "",     limit: Int = -1,     truncated: CharSequence = "...",     crossinline transform: (key: Int, value: Float) -> CharSequence ): String ``` Creates a String from the entries, separated by[separator](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#joinToString(kotlin.CharSequence,kotlin.CharSequence,kotlin.CharSequence,kotlin.Int,kotlin.CharSequence,kotlin.Function2))and using[prefix](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#joinToString(kotlin.CharSequence,kotlin.CharSequence,kotlin.CharSequence,kotlin.Int,kotlin.CharSequence,kotlin.Function2))before and[postfix](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#joinToString(kotlin.CharSequence,kotlin.CharSequence,kotlin.CharSequence,kotlin.Int,kotlin.CharSequence,kotlin.Function2))after, if supplied. Each entry is created with[transform](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#joinToString(kotlin.CharSequence,kotlin.CharSequence,kotlin.CharSequence,kotlin.Int,kotlin.CharSequence,kotlin.Function2)). When a non-negative value of[limit](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#joinToString(kotlin.CharSequence,kotlin.CharSequence,kotlin.CharSequence,kotlin.Int,kotlin.CharSequence,kotlin.Function2))is provided, a maximum of[limit](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#joinToString(kotlin.CharSequence,kotlin.CharSequence,kotlin.CharSequence,kotlin.Int,kotlin.CharSequence,kotlin.Function2))items are used to generate the string. If the collection holds more than[limit](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#joinToString(kotlin.CharSequence,kotlin.CharSequence,kotlin.CharSequence,kotlin.Int,kotlin.CharSequence,kotlin.Function2))items, the string is terminated with[truncated](https://developer.android.com/reference/kotlin/androidx/collection/IntFloatMap#joinToString(kotlin.CharSequence,kotlin.CharSequence,kotlin.CharSequence,kotlin.Int,kotlin.CharSequence,kotlin.Function2)). ### none Cmn Added in[1.4.0](https://developer.android.com/jetpack/androidx/releases/collection#1.4.0) ``` fun none(): Boolean ``` Returns`true`if this map has no entries. ### toString Cmn ``` open fun toString(): String ``` Returns a string representation of this map. The map is denoted in the string by the`{}`. Each key/value pair present in the map is represented inside '{}`by a substring of the form `key=value`, and pairs are separated by `, \`. ## Public properties ### capacity Cmn Added in[1.4.0](https://developer.android.com/jetpack/androidx/releases/collection#1.4.0) ``` val capacity: Int ``` Returns the number of key-value pairs that can be stored in this map without requiring internal storage reallocation. ### size Cmn Added in[1.4.0](https://developer.android.com/jetpack/androidx/releases/collection#1.4.0) ``` val size: Int ``` Returns the number of key-value pairs in this map.