How do I cast a generic type T into an object as Class<T>?
Something like Class<T> T.class or Class<T> T.getClass() does not work, because T is no variable.
A function should look like this:
public Class<T> getType() {
return // Class of T
}
Background info: I have some classes Class1<T>, Class2<T>, ... which all extend ParentClass<T>. ParentClass has the function getType(). I'm looking for an more elegant way to get the type then just creating a variable Class<?> type and saving the type that way.
You don't know T at runtime (because of Type erasure).
Basically, MyWonderfulClass<String> will become MyWonderfulClass<Object> at runtime so you don't have any chance to retrieve it except if you directly give the class in the constructor or in a setter :
//class is a reserved keyword so I call it clazz instead.
public MyClass(Class<T> clazz) {
this.clazz = clazz;
}
public Class<T> getType() {
return this.clazz;
}
You can also force your subclasses to implement getType() : Class<T>.
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