Re: ArrayList called with specific object constructors
The idea is that you want to be able to use a factor of Integers (e.g.)
to fill a list of Numbers. The other way of doing this is to do this:
public <T> List<? super T> makeList(Factory<T> factory)
That's clear, but I have problems with calling the interface Factory.
Still viewed Robert code but it can't work because instantiating an
interface.
This is my edited fragment:
//START
*** Factory interface ***
public interface Factory<T> {
public T makeObject(String s1, String s2);
}
*** class calling generic method (implements Factory ??? implements
Factory<T> ???***
....
ArrayList<Ric> ricList=xmlService.xml2ListGEN(new Factory<Ric>());
*** class with generic method ***
private <T> ArrayList<T> xml2ListGEN(Factory<T> factory){
ArrayList<T> list=new ArrayList<T>();
list.add(factory.makeObject("value1","value2"));
return list;
}
*** Ric class was the same ***
//END
Please could you give just again a look ?
Thanks and best regards,
Alessandro
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