package p; | |
import java.util.ArrayList; | |
import java.util.Collection; | |
import java.util.LinkedList; | |
import java.util.List; | |
@SuppressWarnings("unused") | |
class A { | |
{ | |
Collection<Integer> c= new LinkedList<Integer>(); | |
c.add(42); | |
Generic g= new Generic(); | |
List<Integer> list= g.toList(c); | |
ArrayList<Integer> arrayList= (ArrayList<Integer>) g.toList(c); | |
} | |
} | |
class Generic<E> { | |
public <T> List<T> toList(Collection<T> c) { | |
return new ArrayList<T>(c); | |
} | |
} |