My understanding is that C# and java differ with respect to generics in some ways, one of which is that generic type parameters are available at runtime in C#/.NET but not ... |
I have a method fetchObjects(String) that is expected to return an array of Contract business objects. The className parameter tells me what kind of business objects I should return (of course ... |
What is the best way to retrieve the runtime value of a generic parameter for a generic class? For example:
public class MyClass<T> {
public void printT() {
...
|
My obviously wrong understanding of Java Generics was up to now, that Type Erasure removes all type information such that there is nothing left at all at runtime. Recently I stumbled ... |
I couldn't find a duplicate for this question for Java, although there are a lot of them for C#.
I have this method:
public <T> T getSomething() {
//
}
According to the type of ... |
class Json<T>
{
@SerializedName( "T's type here" )
private final ArrayList<T> _bucket = new ArrayList<T>( 5 );
...
}
I'd like to know how (if possible) the generic parameters of ... |
How can i achieve this?
public class GenericClass<T>
{
public Type getMyType()
{
//How do I return the type of ...
|
|
I have a method that looks like this
public static <T extends MyClass, X extends AnotherClass> List<T> (Class<T> aParameter, X anotherParameter)
Now if AnotherClass is an abstract class that does NOT Have ... |
Given the a class with the following structure. I am trying to determine the type of the parameter T assigned by the caller of the generic method.
public class MyClass{
...
|
This is my code:
The ExecutorImp extends AbstractExecutor which extract the same execute logics of its implementers(ExecutorImp is one case),when calling the execute() method of ExecutorImp, it will call the method in ... |
You know, like the CLR does. Is anyone even admitting the lack of runtime generic information is a problem, and working to solve it?
|
I have a method with the following signature:
// Converts a json string to a list of objects
// Assumption: json is an array, and all items in the list are of the ...
|
public class AutoKeyMap<K,V> {
public interface KeyGenerator<K> {
public K generate();
}
...
|
I wanted to know if there are any run time advantages to Generics provided from Java5. I mean, I know that we can achieve type safety for classes/collections and allow a ... |
I have read much about the generic concept in java. I already had some doubt, which were cleared with precise answers on StackOverflow.
I don't think this question has been asked before ... |
|
Possible Duplicate:
Why are not all type information erased in Java at runtime?
Java's generics are implemented via type erasure, so I thought it was no ... |
When I wanted a generic object extended from a class, in Java I used to write:
Class<AuthenticationProvider> c1;
What am I supposed to write in C# to do the same? How can I ... |
I'd like to instantiate an object of a generic class during run-time; I call a method which gives me back a Type Object; I'd like to convert this generic class into ... |
I have an object called Node<Value>. Objects NodeInternal<Value> and NodeLeaf<Value> inherit from Node<Value>.
I am trying to test what is the type of the object using instanceof as follows:
if (node instanceof NodeInternal). ... |
My tests show that Java reflection cannot determine object types assigned at runtime to a generic object reference that uses a wildcard declaration. To overcome that problem, I wrote the ... |
HashMap<String, Boolean> myMap = new HashMap<String, Boolean>();
System.out.println(func1(myMap)); //should print "HashMap<String, Boolean>"
I want to know is there such a function. This function should take an object and return the exact type ... |
Hello, I am currently writing a generic class (an implementation of Iterator, actually), and have a question about it. When I get the data I want to iterate through, I need the class type; that is, the "T" in Iterator. Is there a way to get it? I am afraid there is none (apart from providing a class in the constructor, ... |
Originally posted by Ilja Preuss: Why wouldn't that just be class SubClass extends SuperClass ? What are you trying to do? It's not exactly the same - I think Neha tries to use the actual type, so the value returned by getClass(). This doesn't have to be Foo - it can be a subclass (or implementing class if Foo ... |
|
|
Hello, I want to write a method that creates an array whose element type is a type variable. The run-time type of the array is known by using a "template" array of the same compile-time type. Something like this: ... (T is a type variable) ... T[] createArray (T[] template, int size) { ... ? ... } I want to do ... |