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/*
* Static ITD of a method onto a generic type that utilises
* a type variable from the target generic
*/
import java.util.*;
class MathUtils<N> {
public N doubleIt(N n) {
int i = Integer.parseInt(n);
return i*2;
}
}
public class StaticMethodITDOnGenericType {
public static void main(String[] argv) {
List<Integer> ints = new ArrayList<Integer>();
ints.add(10);
System.err.println("Double(10)=" + MathUtils<Integer>.doubleIt(5));
System.err.println("First=" + MathUtils.first(ints));
}
}
aspect X {
// Using the type variable from the type. this is not a generic method.
static E MathUtils<E>.first(List<E> elements) { return elements.get(0); }
}
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