package generics;

import java.util.*;

/**

* RUN:

* javac generics/GenericArray.java && java generics.GenericArray

* OUTPUT:

*

*/

public class GenericArray<T> {

private T[] array;

@SuppressWarnings("unchecked")

public GenericArray(int size) {

array = (T[])new Object[size];

}

public void put(int index, T item) {

array[index] = item;

}

public T get(int index) {

return array[index];

}

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

public static void main(String[] args) {

GenericArray<Integer> gai = new GenericArray<Integer>(10);

// Exception java.lang.ClassCastException:

//

// [Ljava.lang.Object; cannot be cast to [Ljava.lang.Integer;

//

// Integer[] a = gai.rep();

Object[] oa = gai.rep();

}

}