OnJava8-Examples/generics/CreatorGeneric.java at master · CSapprenticeWT/OnJava8-Examples · GitHub

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// generics/CreatorGeneric.java

// We make no guarantees that this code is fit for any purpose.

// Visit http://OnJava8.com for more book information.

abstract class GenericWithCreate<T> {

final T element;

GenericWithCreate() { element = create(); }

abstract T create();

}

class X {}

class XCreator 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) {

XCreator xc = new XCreator();

xc.f();

}

/* Output: