32 lines
673 B
Java
32 lines
673 B
Java
// generics/CreatorGeneric.java
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// (c)2016 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://mindviewinc.com/Books/OnJava/ for more book information.
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abstract class GenericWithCreate<T> {
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final T element;
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GenericWithCreate() { element = create(); }
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abstract T create();
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}
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class X {}
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class XCreator extends GenericWithCreate<X> {
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@Override
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X create() { return new X(); }
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void f() {
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System.out.println(
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element.getClass().getSimpleName());
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}
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}
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public class CreatorGeneric {
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public static void main(String[] args) {
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XCreator xc = new XCreator();
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xc.f();
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}
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}
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/* Output:
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X
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*/
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