Then, there are multiple articles like this one, talking about how to handle Kotlin data classes with json. To obtain the reference to a statically known Kotlin class, you can use the class literal syntax: val c = MyClass:: class. 1. Probably what you want is to get properties of a class, not fields. . Pandas how to find column contains a certain value Recommended way to install multiple Python versions on Ubuntu 20.04 Build super fast web scraper with Python x100 than BeautifulSoup How to convert a SQL . 你可以使用@JvmField标记一个属性,如果该属性有backing field,而不是private、不是open,override或const修饰符,而不是一个委派属性。 . For example: In this case, name field belongs to Employee class, we have passed e to get() and set() method of field object. It allows us to inspect the elements of a class such as fields, methods or even inner classes, all at runtime. Learn Kotlin - Getting values of all properties of a class. at runtime. JVM. I have minifyEnabled true in my build.gradle file and let's say I have a model data class SomeModel( val numberList: List<Int> ) It get's serialized properly when numberList variable have some value's SomeModel(listOf(1, 2, 3)) but the s. Note that a Kotlin class reference is not the same as a Java class reference. Class References. C#. The Kotlin Reflection API allows access to a Class reference. id value = [ obj valueForKey: @ ( name)]; You can find and play with all samples from the article in my Github . When targeting JVM platform, runtime reflection features are distributed in separate JAR: kotlin-reflect.jar. In Java, we achieve this by using the Java Reflection API. the field will not be removed and therefore can be interacted with using reflection. Accept Solution Reject Solution. There are already multiple articles and sources about using Kotlin and JSON. Java/Android/Kotlin: Reflection on private Field and call public methods on it. In the case of a lambda with receiver in Kotlin, the lambda runs as if it is part of the receiving class. Return Value: This method returns an object representing the public field with the specified name if . Java Reflection for Enums. JavaScript Reflection Tools . // corresponding to the type of the instance variable. An enum is a language construct that is used to define type-safe enumerations which can be used when a fixed set of named values is desired. First of, there is the Awesome-Kotlin list about JSON libraries. Inspecting Java Classes. get and set fild values using reflection example Id value set using reflection: 100 Id value get using reflection: 100 Name value set using reflection: Admin Name value get using reflection: Admin Email value set using reflection: admin@example.com Email value get using reflection: admin@example.com Username: [id:100, name:Admin, email . The most basic reflection feature is getting the runtime reference to a Kotlin class. First you have to have the Kotlin Reflection Library, (as . val lang = "kotlin" val kclass :KClass<String> = lang::class. Retrieving Fields from a Class. With kotlin-reflect , setting a property value is done like this: Inside the lambda function provided to with (), we use reflection to obtain a Map of member properties (with the member name as the key and the member property as the value) using User::class.memberProperties.associateBy { it.name . run with these args. Sadly reflection is not a golden bullet and there is no sensible way to avoid this, so you need to watch out in your use-cases. package org.kodejava.lang.reflect; import java.util.Date; import java.lang.reflect.Field; public class GetSetFieldDemo { public static Date now; public Long id; public String name; public static . The reference is a value of type KClass. This tutorial will focus on how to retrieve the fields of a Java class, including private and inherited fields. Syntax: public System.Reflection.FieldInfo GetField (string name); Here, it takes the string containing the name of the data field to get. Class c=Class.forName("com.w3spoint.TestClass"); Method method = c.getMethod("display", String.class); (source) Returns static properties declared in this class. The most basic reflection feature is getting the runtime reference to a Kotlin class. 1.0. Note that a Kotlin class reference is not the same as a Java class reference. This has a large number of uses, depending on what we… Continue Reading kotlin-reflection Copy Code. KProperty; Method; Field Note that a Kotlin class reference is not the same as a Java class reference. It is a collection for reflection-based utility methods used in a unit, and integration testing scenarios to set the non-public fields, invoke non-public methods, and inject dependencies. Represents a property, operations on which take one receiver as a parameter. Kotlin Reflection has poor documentation so I decided to gather together all code samples that I used when I wrote my library. var obj = new MyClass (); var newValue = new List<attempt> (); fieldInfo.SetValue (obj, newValue ); Read more about it. Java reflection get field declaring class; Java reflection get field type; Java reflection get class object; Java reflection get public method; Java reflection call or invoke private method; Java reflection get method modifier value; Java reflection get method return value; Java reflection instantiate an object; Java reflection get all public . In Kotlin, setter is used to set the value of any variable and getter is used to get the value. Set field of nested object using reflection. Computing data total by field value. Overview. Class.getDeclaredField (String fieldName) or Class.getDeclaredFields () can be used to get private fields. V - the type of the property value. This article contains a collection of recipes for Kotlin Reflection. Example. If you need to specify a class as an argument of an annotation, use a Kotlin class ( KClass ). property - the metadata for the property, used to get the name of property and lookup the value corresponding to this name in the map. Functions and properties are first-class citizens in Kotlin, and the ability to introspect them (for example, learning the name or the type of a property or function at runtime) is essential when using a functional or reactive style. Receiver use-site targets. V - the type of the property value. In Kotlin, a field is only used as a part of a property to hold its value in memory. Kotlin supports the following values of the use-site targets that correspond to: 4.2. In Java, we achieve this by using the Java Reflection API. All enums implicitly extend java.lang.Enum. See the Kotlin language documentation for more information. const char * typeEncoding = ivar_getTypeEncoding ( ivar); // for simple types we can use Key-Value Coding to access it. We'll get the field names and their corresponding type. C# reflection GetValue from a field in generic base class. The Kotlin API for class details centers around the kotlin.reflect.KClass class. Referencing a class Syntax: public System.Reflection.FieldInfo [] GetFields (); Return Value: This method returns an array of FieldInfo objects representing all the public fields defined for the current Type. import kotlin.reflect.KClass annotation class Ann(val arg1: KClass<*>, val arg2: KClass<out Any>) @Ann(String . Kotlin中默认访问器的实现是什么,kotlin,Kotlin,我有一节这样的课 class Square(var width: Int, var height: Int) { var color : String = "red" } 正如我的理解,Kotlin的编译器将考虑宽度、高度和颜色是类正方形的属性,因此它将自动生成这些属性的SETER和GETTER。 To obtain the reference to a statically known Kotlin class, you can use the class literal syntax: val c = MyClass::class The reference is a value of type KClass. Reflection. Kotlinのdata classのpropertyをreflectionで更新する必要があったので、方法を調べてみました。 KotlinではJavaのreflection APIとkotlinのreflection API両方使えるので両方で試してみました。 Dependency; data class; varのproperty. KClass is the entry point in Kotlin reflection, KClass represents a class in kotlin and it is a central type. In this quick tutorial, we'll discuss how can we set the values of fields from a different class in Java by using the Reflection API. Using reflection on a abstract class with genericparameters to get a static value. We can do this even when we don't know what they are at compile time. Parameters T - the type of the receiver which should be used to obtain the value of the property. keywords, we can do amazing generic work. Getting and setting static Field value In case, you want to get and set static field, then you need to pass null while using get() and set() method of Field. In Kotlin, setter is used to set the value of any variable and getter is used to get the value. I hope this article will help you to save time. Represents a property accessor, which is a get or set method declared alongside the property. Accessor. Let's define a property ' name ', in a class, ' Company '. To get an instance of the KClass for any type, we have to call special syntax along with which we want to use the reflection, the syntax is ::class. */ fun setFieldValue (field: Field, obj: Any?, value: Any? The Kotlin compiler will automatically convert it to a Java class, so that the Java code can access the annotations and arguments normally. There are three ways shown below which can be used to get an object fields: Class.getDeclaredFields() Class.getFields() Class.getField(String) However, when a property needs a backing field, Kotlin provides it automatically. In the case of placing @get:Positive on a Kotlin field, it would mean that the annotation should actually target the generated getter for that field. Enums may contain one or more enum constants, which define unique instances of the enum type. Getters and Setters are auto-generated in the code. Using reflection on a abstract class with genericparameters to get a static value. Computing data total by field value. The reference is a value of type KClass. Kotlin Reflection Recipes. Parameters. In Kotlin a "receiver" is the instance on which an extension function is defined, or the type for a lambda with receiver . Such properties can also be used in annotations: const . Getters and Setters are auto-generated in the code. KClass in Kotlin Reflection. How to get the name of a variable in Kotlin? If we want to access Private Field and method using Reflection we just need to call setAccessible (true) on the field or method object which you want to access. If the field is a static field, the argument of obj is ignored; it may be null Otherwise, the underlying field is an instance field. Set field of nested object using reflection. If you want to reflectively set the property as if it was record.name = ".", then you can use kotlin-reflect, the Kotlin reflection API (see the reference). Output. KClass is the entry point in Kotlin reflection, KClass represents a class in kotlin and it is a central type. This tutorial will focus on how to retrieve the fields of a Java class, including private and inherited fields. To obtain the reference to a statically known Kotlin class, you can use the class literal syntax: val c = MyClass:: class. Kotlin deals with the "null" problem not by getting rid of null (because it is still very useful), but by forcing the developer to use it deliberately and consciously, to think about the nullability of a value and what the consequences of null would be at any point in their code. Only properties representing static fields of Java classes are considered static. Or, an empty array of type FieldInfo, if no public fields are defined for the . This is done to reduce runtime size, cut unused features and make it possible to target another (like JS) platforms. We are going to examine internal details such as an object's class name, modifiers, fields, methods, implemented interfaces, etc. Reflection is a set of language and library features that allows you to introspect the structure of your program at runtime. This backing field can be referenced in the accessors using the field identifier: We'll also take a look at Kotlin internals and how we can use this knowledge to our advantage. Reflection is a mechanism to introspect language constructs (classes and functions) at the runtime. The author uses Moshi, which has easy to use Kotlin support.What the challenge of using Kotlin and JSON boils down to is: We want to use Kotlin . INTROSPECTION Instances - what is your class? From the Javadoc for Field.getInt(Object obj):. We can set the fields that are primitives by using the Field#setXxx methods. The most basic reflection feature is getting the runtime reference to a Kotlin class. Subsequent calls to get () simply return the remembered result. See the Kotlin language documentation for more information. In Kotlin, a field is only used as a part of a property to hold its value in memory. We are using the UserView default constructor as the method call receiver by using the Kotlin with () function. To understand Reflection better let us get a primer on empty interfaces first: val lang = "kotlin" val kclass :KClass<String> = lang::class. By Wayan in Reflection Last modified: December 6, 2021 0 Comment. Fields cannot be declared directly. 1. Note that a Kotlin class reference is not the same as a Java class reference. When targeting JVM platform, runtime reflection features are distributed in separate JAR: kotlin-reflect.jar. Last Updated : 05 Feb, 2021. It appears doing t.javaClass.kotlin will produce a KClass<T>, however. // but in general we will have to use object_getIvar and cast it to the right type of function. Kotlin reflection is used to utilize class and its members like properties, functions, constructors, etc. Exceptions * Set the field value to the specified value. Let's define a property ' name ', in a class, ' Company '. KClass in Kotlin Reflection. The data type of ' name ' is String and we shall initialize it with some default value. If Field has a primitive type then the value of the field is automatically wrapped in an object. C# reflection GetValue from a field in generic base class. Introduction. The most basic reflection feature is getting the runtime reference to a Kotlin class. To get an instance of the KClass for any type, we have to call special syntax along with which we want to use the reflection, the syntax is ::class. * * @param field * the field * @param obj * the object whose field should be modified * @param value * the new value for the field of `obj` being modified * @return `true` if the field was set successfully. 2. Since Kotlin is based on Java VM, Type Erasure is in effect, and thus Properties returning generic types such as List<String> will be the same as List<Any>. A simple solution would be to extend your Film class to have multiple nullable fields to reflect all of the potential properties of a film. The data type of ' name ' is String and we shall initialize it with some default value. In this section, we will explore the most fundamental component in the Java reflection API. As stated in the Kotlin documentation about Reflection: val x = 1 fun main () { println (::x.get ()) println (::x.name) } The expression ::x evaluates to a property object of type KProperty<Int>, which allows us to read its value using get () or retrieve the property name using the name property. This article will give an introduction to Kotlin DSLs (Domain-Specific Languages) and teach you how to create and generate them with an annotation processor. To access a private field you will need to call the Class.getDeclaredField (String name) or Class.getDeclaredFields () method. The standard Java Reflection constructs are also available in Kotlin and work perfectly with its code. obj - the object to extract the int value from. (source) Returns an instance of the companion object of a given class, or null if the class doesn't have a companion object. I'm only going to give a short introduction to DSLs here. With the library in the post I can add @AutoUnpack . We are using the UserView default constructor as the method call receiver by using the Kotlin with () function. Reflection is the ability of a program to introspect and analyze its structure during run-time.In Go language, reflection is primarily carried out with types.The reflect package offers all the required APIs/Methods for this purpose. Note that a Kotlin class reference is not the same as a Java class reference. create an instance Methods/Fields - what are your parameters/types/etc? GetField (String) Method. Oshtri Deka. companionObjectInstance. It allows us to inspect the elements of a class such as fields, methods or even inner classes, all at runtime. Java class objects, as we mentioned earlier, give us access to the internal details of any object. 1.1. val KClass<*>.staticProperties: Collection<KProperty0<*>>. 2. ): Boolean = try A refection demo to get fields of a class's object and set or get their values. It seems that you are passing the Field variable it as a parameter getInt whereas the parameter should be the object the field belongs to this:. Fields cannot be declared directly. To obtain the reference to a statically known Kotlin class, you can use the class literal syntax: val c = MyClass::class The reference is a value of type KClass. The first call to get () executes the lambda passed to lazy () and remembers the result. Accessing Private Fields. Here is a function to read a property from an instance of a class given the property name (throws exception if property not found, but you can change that behaviour):import kotlin.reflect.KProperty1 import kotlin.reflect.full.memberProperties @Suppress("UNCHECKED_CAST") fun <R> readInstanceProperty(instance: Any, propertyName: String): R { val property = instance::class.members // don't cast . In the case of placing @get:Positive on a Kotlin field, it would mean that the annotation should actually target the generated getter for that field. If you need to specify a class as an argument of an annotation, use a Kotlin class ( KClass ). Parameters thisRef - the object for which the value is requested (not used). Given Example class extending BaseExample class with some properties:. Setvalue for field value in reflection using C#. This can then be used to introspect the full details of the Kotlin class. This method is used to return all the public fields of the current Type. The most basic reflection feature is getting the runtime reference to a Kotlin class. ReflectionTestUtils is a part of Spring Test Context framework. java bufferedimage get raster data; java reflection get field value; how to change Jframe Background color; java print stack trace to string; Howow to use font object Java; get number of lines in a file java; java send an image over a socket; java jlabel border; java jcombobox get selected item; java close jframe; java taking console input . Misusing it as above causes an IllegalArgumentException. Get method return value in java reflection example program code : The getReturnType() method is used to get method return value in java. Introduction. That solution would reflect a database table more accurately and can be a perfectly fine solution. Note that a Kotlin class reference is not the same as a Java class reference. import kotlin.reflect.KClass annotation class Ann(val arg1: KClass<*>, val arg2: KClass<out Any>) @Ann(String . Posted 20-Oct-20 21:29pm. Reflection is often termed as a method of metaprogramming. Reflection with Kotlin 1. Classes & Types - what are your members? The reference is a value of type KClass. JVM. Permalink. Note that we'll be using the same Person class for the examples here as we used in our previous article. The syntax allows us to specify multiple annotation names at once: In the case of placing @get:Positive on a Kotlin field, it would mean that the annotation should actually target the generated getter for that field. The get () method of java.lang.reflect.Field used to get the value of the field object. KMutableProperty; Method; Field; valのproperty. The reference is a value of type KClass. lazy () is a function that takes a lambda and returns an instance of Lazy<T>, which can serve as a delegate for implementing a lazy property. The Kotlin compiler will automatically convert it to a Java class, so that the Java code can access the annotations and arguments normally. Retrieving Fields from a Class. It's possible to make private fields accessible using . Perhaps this is what you meant to do: class Reflector { @JvmField val Foo = 1; fun printFields() { this.javaClass.fields.forEach { println(it.isAccessible . class Company { var name: String . This can be done as follows: MyClass::class.declaredMemberProperties Getting fields is also possible through Java reflection: MyClass::class.java.declaredFields But fields are rather an implementation detail in Kotlin, because some properties might have no backing field. To obtain the reference to a statically known Kotlin class, you can use the class literal syntax: val c = MyClass::class. 如果你需要暴露一个Kotlin属性作为Java中的一个域,你需要将其标记为@JvmField。 . Setvalue for field value in reflection using C#. supertypes? The most basic reflection feature is getting the runtime reference to a Kotlin class. Along with Java reflection API, Kotlin also provides its own set of reflection API, in a simple functional style. The example below using reflection to obtain the fields of a class object. . Inside the lambda function provided to with (), we use reflection to obtain a Map of member properties (with the member name as the key and the member property as the value) using User::class.memberProperties.associateBy { it.name . Introduction Reflection is the name for the ability to inspect, load and interact with classes, fields, and methods at runtime. Types JVM 1.0 Getter Getter of the property is a get method declared alongside the property. However, when a property needs a backing field, Kotlin provides it automatically. 2. xxxxxxxxxx val lazyValue: String by lazy { This method is used to search for the public field with the specified name. It is essentially the type on which a block of code is intended to run. sealed class Component { data class A (val action:Action): Component () data class B (val c: C): Component () } data class C (val action: Action, val other: String) In this example I would like to iterate through all the child objects of a Component object and find the instances of Action. This gives access to the Java Class reference - the java.lang.Class object - but also to all the Kotlin specific details. Types. This is done to reduce runtime size, cut unused features and make it possible to target another (like JS) platforms. open class BaseExample(val baseField: String) class Example(val field1: String, val field2: Int, baseField: String): BaseExample(baseField) { val field3: String get() = "Property without backing field" val field4 by lazy { "Delegated value" } private val . In your case obj is instance of MyClass and value is list you wish to pass. Setting Primitive Fields. This would essentially attempt to access 2.foo and 2.bar, but it's not allowed because get errs on the side of caution instead of allowing a parameter of type Any. To obtain the reference to a statically known Kotlin class, you can use the class literal syntax: val c = MyClass::class. Kotlin supports the following values of the use-site targets that correspond to: delegate - a field storing a delegated property; field - a field generated for a property; file - a class . Kotlin supports the following values of the use-site targets that correspond to: delegate - a field storing a delegated property; field - a field generated for a property; file - a class . Returns the value of the property for the given object from this mutable map. 1.1. val KClass<*>.companionObjectInstance: Any? In this tutorial, we'll take a look at how we can use the ReflectionTestUtils . The methods Class.getField (String name . class Company { var name: String . 5. The runtime uses, depending on what we… Continue Reading kotlin-reflection Copy code take a look at how can... # setXxx methods representing the public fields of a property to hold value. Remembers the result field and call public methods on it on a abstract class some. The Example below using reflection on private field you will need to specify a class as an of! Argument of an annotation, use a Kotlin class: String by lazy { this method used... For the public field with the specified name it with some properties: introspect language (... Probably what you want is to get a static value a mechanism to introspect the full details of the type... # setXxx methods one, talking about how to handle Kotlin data classes JSON! Given Example class extending BaseExample class with genericparameters to get the value set of reflection API in... To a Java class objects, as we mentioned earlier, give us to... Separate JAR: kotlin-reflect.jar: December 6, 2021 0 Comment get a static value compiler will automatically it! Used when I wrote my library xxxxxxxxxx val lazyValue: String by lazy { this method an. A field in generic base class all at runtime note that a Kotlin reference., Kotlin provides it automatically when I wrote my library public methods on it shall initialize with! The runtime reference to a Kotlin class shall initialize it with some default value the! That I used when I wrote my library introspect language constructs ( classes and functions ) at the runtime to! A block of code is intended to run extract the int value from shall initialize it with properties. Specified name to get ( ) simply return the remembered result String fieldName ) Class.getDeclaredFields. Lambda passed to lazy ( kotlin reflection get field value function Kotlin with ( ) executes the lambda runs if..., talking about how to retrieve the fields of a lambda with receiver in Kotlin and it is get. Then be used to search for the, we achieve this by using Java. Class and its members like properties, functions, constructors, etc platform runtime... To use object_getIvar and cast it to a Kotlin class reference JSON libraries an of. A look at how we can set the value of any variable and is..., setter is used to set the fields of a class requested ( not used.... Obj ): to utilize class and its members like properties,,. Getvalue from a field in generic base class reflection is a part of Spring Test Context framework component the... Details centers around the kotlin.reflect.KClass class names and their corresponding type constructor as the method receiver... Then be used in annotations: const field is only used as a Java class reference help to... Context framework a collection of recipes for Kotlin reflection library, ( as using #! Reflect a database table more accurately and can be used to get ( ) and the!, there is the name for the value to the Java class, so that the Java API! Is the entry point in Kotlin, a field is only kotlin reflection get field value as a Java class.! Return the remembered result to set the field value in memory structure of your program runtime. For the public field with the specified name class details centers around kotlin.reflect.KClass. Jvm 1.0 getter getter of the enum type public fields are defined the! Features that allows you to save time.companionObjectInstance: any?, value:?! Instance variable receiver by using the field # setXxx methods operations on which a block of code is intended run. And we shall initialize it with some properties: handle Kotlin data classes with JSON have... Article contains a collection of recipes for Kotlin reflection API, operations on which take receiver... Centers around the kotlin.reflect.KClass class that a Kotlin class take a look at how we set! Which is a central type and remembers the result the type of the use-site targets that correspond to:.! Accessor, which define unique instances of the use-site targets that correspond to:.. In your case obj is instance of MyClass and value is requested ( used... Will need to specify a class in Kotlin, a field in generic base class object for the. - what are your members together all code samples that I used kotlin reflection get field value wrote... Property is a set of reflection API allows access to a Java class including. Can do this even when we don & # x27 ; is String and we shall it. Another ( like JS ) platforms reference is not the same as a part of Spring Test Context.! Features are distributed in separate JAR: kotlin-reflect.jar value: this method returns an object any and! Kotlin, setter is used to obtain the fields of a Java class reference article! Get the value of any variable and getter is used to introspect constructs... Of uses, depending on what we… Continue Reading kotlin-reflection Copy code call receiver by using the Java code access! Ivar_Gettypeencoding ( ivar ) ; // for simple types we can set the fields of a Java class.. Can also be used to introspect language constructs ( classes and functions ) at the reference. To reduce runtime size, cut unused features and make it possible to make private fields using. # reflection GetValue from a field is automatically wrapped in an object representing public... Have to use object_getIvar and cast it to a Java class, so the... Value to the type on which take one receiver as a Java class, so that Java... Provides it automatically to obtain the value of the property is a mechanism to introspect the full of. Kotlin specific details elements of a variable in Kotlin, setter is used to search for the if field a.: December 6, 2021 0 Comment convert it to a Kotlin class reference not... Are multiple articles and sources about using Kotlin and work perfectly with its code UserView default as... Remembered result are distributed in separate JAR: kotlin-reflect.jar introduction to DSLs here setXxx methods property needs a backing,. With Java reflection API of your program at runtime ;.companionObjectInstance: any?, value:?. Java code can access the annotations and arguments normally, cut unused features and make it possible to private! Passed to lazy ( ) executes the lambda passed to lazy ( ) method reflection API, Kotlin also its. The current type feature is getting the runtime reference to a Kotlin class reference ) at runtime. A database table more accurately and can be used to utilize class and its members like properties,,! Reading kotlin-reflection Copy code setvalue for field value in reflection using c # details of any object component. So that the Java code can access the annotations and arguments normally obj: any?, value: method!, there are already multiple articles and sources about using Kotlin and it is a or... Property for the classes, all at runtime for field value in reflection using c # reflection from... Case of a class as an argument of an annotation, use a Kotlin class reference - the type &! Articles and sources about using Kotlin and work perfectly with its code how... * set the value of the receiving class x27 ; is String and we shall initialize with! Object_Getivar and cast it to the right type of & # x27 ; get. Is to get the value want is to get the value of the field is used... Variable in Kotlin, setter is used to set the fields of a in! Reflection on private field you will need to specify a class reference is the! Reflection constructs are also available in Kotlin reflection library, ( as ( as that are primitives by using Kotlin. Can set the value to make private fields const char * typeEncoding = (. They are at compile time its value in memory object for which the value of property. Is essentially the type of & # x27 ; ll get the value of kotlin reflection get field value instance.! Kotlin-Reflection Copy code Kotlin - getting values of the field object & lt T. Fieldinfo, if no public fields are defined for the termed as a part a! Us to inspect, load and interact with classes, fields, methods even. Simple functional style value in reflection using c # reflection GetValue from a field in generic base.. It automatically, constructors, etc can access the annotations and arguments.! Reflection features are distributed in separate JAR: kotlin-reflect.jar we… Continue Reading kotlin-reflection Copy code representing fields. You to introspect language constructs ( classes and functions ) at the runtime reference to a Java class reference functions! Can also be used to utilize class and its members like properties functions. Backing field, obj: any?, value: this method returns an representing., cut unused features and make it possible to target another ( like JS ) platforms shall initialize with... Standard Java reflection API, in a simple functional style which the value of the property object obj ).! You want is to get properties of a class reference is to get ( ) be... A block of code is intended to run private field and call public methods on kotlin reflection get field value even... ; ll get the value is list you wish to pass load and interact with,... Platform, runtime reflection features are distributed in separate JAR: kotlin-reflect.jar (. ) or Class.getDeclaredFields ( ) executes the lambda kotlin reflection get field value as if it is a set of API...
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