28 lines
527 B
Java
28 lines
527 B
Java
//: generics/CreatorGeneric.java
|
|
// Š2015 MindView LLC: see Copyright.txt
|
|
|
|
abstract class GenericWithCreate<T> {
|
|
final T element;
|
|
GenericWithCreate() { element = create(); }
|
|
abstract T create();
|
|
}
|
|
|
|
class X {}
|
|
|
|
class Creator extends GenericWithCreate<X> {
|
|
@Override
|
|
X create() { return new X(); }
|
|
void f() {
|
|
System.out.println(element.getClass().getSimpleName());
|
|
}
|
|
}
|
|
|
|
public class CreatorGeneric {
|
|
public static void main(String[] args) {
|
|
Creator c = new Creator();
|
|
c.f();
|
|
}
|
|
} /* Output:
|
|
X
|
|
*///:~
|