KClass

expect interface KClass<T : Any> : KClassifier(source)

Represents a class and provides introspection capabilities. Instances of this class are obtainable by the ::class syntax. See the Kotlin language documentation for more information.

Since Kotlin

1.0

Parameters

the type of the class.

actual interface KClass<T : Any> : KClassifier(source)

Represents a class and provides introspection capabilities. Instances of this class are obtainable by the ::class syntax. See the Kotlin language documentation for more information.

Since Kotlin

1.1

Parameters

the type of the class.

actual interface KClass<T : Any> : KDeclarationContainer, KAnnotatedElement, KClassifier(source)

Represents a class and provides introspection capabilities. Instances of this class are obtainable by the ::class syntax. See the Kotlin language documentation for more information.

Since Kotlin

1.0

Parameters

the type of the class.

Properties

annotations

abstract val annotations: List<Annotation>

Annotations which are present on this element.

Since Kotlin 1.0

constructors

abstract val constructors: Collection<KFunction<T>>

All constructors declared in this class.

Since Kotlin 1.0

isAbstract

abstract val isAbstract: Boolean

true if this class is abstract.

Since Kotlin 1.1

isCompanion

abstract val isCompanion: Boolean

true if this class is a companion object. See the Kotlin language documentation for more information.

Since Kotlin 1.1

isData

abstract val isData: Boolean

true if this class is a data class. See the Kotlin language documentation for more information.

Since Kotlin 1.1

isFinal

abstract val isFinal: Boolean

true if this class is final.

Since Kotlin 1.1

isInner

abstract val isInner: Boolean

true if this class is an inner class. See the Kotlin language documentation for more information.

Since Kotlin 1.1

isOpen

abstract val isOpen: Boolean

true if this class is open.

Since Kotlin 1.1

isSealed

abstract val isSealed: Boolean

true if this class is sealed. See the Kotlin language documentation for more information.

Since Kotlin 1.1

java

@get:JvmName(name = "getJavaClass")

val <T> KClass<T>.java: Class<T>

Returns a Java Class instance corresponding to the given KClass instance.

Since Kotlin 1.0

javaClass

@get:JvmName(name = "getRuntimeClassOfKClassInstance")

val <T : Any> KClass<T>.~~javaClass~~: Class<KClass<T>>

Since Kotlin 1.0

javaObjectType

val <T : Any> KClass<T>.javaObjectType: Class<T>

Returns a Java Class instance corresponding to the given KClass instance. In case of primitive types it returns corresponding wrapper classes.

Since Kotlin 1.0

javaPrimitiveType

val <T : Any> KClass<T>.javaPrimitiveType: Class<T>?

Returns a Java Class instance representing the primitive type corresponding to the given KClass if it exists.

Since Kotlin 1.0

val <T : Any> KClass<T>.js: JsClass<T>

Obtains a constructor reference for the given KClass.

Since Kotlin 1.1

members

abstract override val members: Collection<KCallable<*>>

All functions and properties accessible in this class, including those declared in this class and all of its superclasses. Does not include constructors.

Since Kotlin 1.0

nestedClasses

abstract val nestedClasses: Collection<KClass<*>>

All classes declared inside this class. This includes both inner and static nested classes.

Since Kotlin 1.0

objectInstance

abstract val objectInstance: T?

The instance of the object declaration, or null if this class is not an object declaration.

Since Kotlin 1.0

qualifiedName

expect abstract val qualifiedName: String?

The fully qualified dot-separated name of the class, or null if the class is local or a class of an anonymous object.

Since Kotlin 1.0

actual abstract val qualifiedName: String?

The fully qualified dot-separated name of the class, or null if the class is local or a class of an anonymous object.

Since Kotlin 1.1

actual abstract val qualifiedName: String?

The fully qualified dot-separated name of the class, or null if the class is local or a class of an anonymous object.

Since Kotlin 1.0

simpleName

expect abstract val simpleName: String?

The simple name of the class as it was declared in the source code, or null if the class has no name (if, for example, it is a class of an anonymous object).

Since Kotlin 1.0

actual abstract val simpleName: String?

The simple name of the class as it was declared in the source code, or null if the class has no name (if, for example, it is a class of an anonymous object).

Since Kotlin 1.1

actual abstract val simpleName: String?

The simple name of the class as it was declared in the source code, or null if the class has no name (if, for example, it is a class of an anonymous object).

Since Kotlin 1.0

supertypes

abstract val supertypes: List<KType>

The list of immediate supertypes of this class, in the order they are listed in the source code.

Since Kotlin 1.1

typeParameters

abstract val typeParameters: List<KTypeParameter>

The list of type parameters of this class. This list does not include type parameters of outer classes.

Since Kotlin 1.1

visibility

abstract val visibility: KVisibility?

Visibility of this class, or null if its visibility cannot be represented in Kotlin.

Since Kotlin 1.1

Functions

equals

abstract operator override fun equals(other: Any?): Boolean

Returns true if this KClass instance represents the same Kotlin class as the class represented by other. On JVM this means that all of the following conditions are satisfied:

Since Kotlin 1.1

abstract operator override fun equals(other: Any?): Boolean

Returns true if this KClass instance represents the same Kotlin class as the class represented by other. On JVM this means that all of the following conditions are satisfied:

Since Kotlin 1.0

findAssociatedObject

inline fun <T : Annotation> KClass<*>.findAssociatedObject(): Any?

If T is an @AssociatedObjectKey-annotated annotation class and this class is annotated with @T (S::class), returns object S.

Since Kotlin 1.1

hashCode

abstract override fun hashCode(): Int

Since Kotlin 1.1

abstract override fun hashCode(): Int

Since Kotlin 1.0

isInstance

expect abstract fun isInstance(value: Any?): Boolean

Returns true if value is an instance of this class on a given platform.

Since Kotlin 1.1

actual abstract fun isInstance(value: Any?): Boolean

Returns true if value is an instance of this class on a given platform.

Since Kotlin 1.1

actual abstract fun isInstance(value: Any?): Boolean

Returns true if value is an instance of this class on a given platform.

Since Kotlin 1.1

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