public class GenericArray<T> {

private T[] array;

@SuppressWarnings("unchecked")

public GenericArray(int size){

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

}

public void put(int index, T value){

array[index] = value;

}

public T get(int index){

return array[index];

}

public T[] rep(){

return array;

}

public String toString(){

String str = "";

for(int index = 0; index < array.length; index++){

str += array[index] + " ";

}

return str;

}

public static void main(String[] args){

GenericArray<Integer> gai = new GenericArray<Integer>(4);

//Exception in thread "main" java.lang.ClassCastException: [Ljava.lang.Object; cannot be cast to [Ljava.lang.Integer;

// at GenericArray.main(GenericArray.java:23)

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

Object[] oa = gai.rep();

for(int index = 0; index < 4; index++){

gai.put(index, index);

}

System.out.println(gai.toString());

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

//System.out.println(oa.toString());

}

}