Object Array

public class Test {
	public static void main(String[] args) {

		// type safe to hold a list of Strings
		MyGenericArrayList<String> strLst = new MyGenericArrayList<String>(Integer.parseInt(args[1]));

		for (int i = 0; i < strLst.size(); i++) {
			strLst.add("Cluck");
		}

		for (int j = 0; j < strLst.size(); ++j) {
				String str = strLst.get(j); // compiler inserts the downcasting
											// operator (String)
				System.out.println(str);
			}

		}
	}



// A dynamically allocated array with generics
class MyGenericArrayList<E> {
private int size;     // number of elements
private int index = 0;
private Object[] elements;

public MyGenericArrayList(int size) {  // constructor
   elements = new Object[size];  // allocate initial capacity of 10
   this.size = size;
}

public void add(E e) {
      elements[index] = e;
      index++;
}

public E get(int index) {
   if (index >= size)
      throw new IndexOutOfBoundsException("Index: " + index + ", Size: " + size);
   return (E)elements[index];
}

public int size() { return size; }
}