// generics/GenericArrayWithTypeToken.java

// (c)2021 MindView LLC: see Copyright.txt

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

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

import java.lang.reflect.*;

public class GenericArrayWithTypeToken<T> {

private T[] array;

@SuppressWarnings("unchecked")

public

GenericArrayWithTypeToken(Class<T> type, int sz) {

array = (T[])Array.newInstance(type, sz);

}

public void put(int index, T item) {

array[index] = item;

}

public T get(int index) { return array[index]; }

// Expose the underlying representation:

public T[] rep() { return array; }

public static void main(String[] args) {

GenericArrayWithTypeToken<Integer> gai =

new GenericArrayWithTypeToken<>(

Integer.class, 10);

// This now works:

Integer[] ia = gai.rep();

}

}