5 questions
sealed class response<T>{ data class success <T> (value:T): Response <T>() data class fail<T>(valueerrorMessage: String):Response<T>()}fun<T>fetch(onResponse:(Respo...
(Windows, Java 1.8.0)Currently, I am writing the following code as an API using JAX-RS (Jersey).@Path(API_01)//URL at API call @POST @Produce(MediaType.APPLICATION_JSON) publicResponseObj execute(Req...
If you look at the same example below in the OOP book, If you have an Animal class, each animal has several friends. And the subclasses are Dog, Duck, Mouse, etc. Each of them makes a bark(), a quack(...
Due to the Java generic implementation, it cannot be implemented as follows:public class GenSet<E> { private E a[]; public GenSet() { a = new E[INITIAL_ARRAY_LENGTH]; // error: generic array cr...
It's confusing how Java Generics deals with inheritance and polymorphism.Let's say there's a hierarchy like this.Animal (Parent)Dog - Cat (child) Assuming that there is a DoSomething(List<Animal>...
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