class Wildcard {

    static void printArray(Object[] elements) {
        for (Object element : elements) {
            System.out.print(element + " ");
        }
        System.out.println();
    }

    public static void main(String[] args) {
        Integer[] intArray = { 1, 2, 3, 4, 5 };
        String[] stringArray = { "Hello", "World" };
        Double[] doubleArray = { 1.1, 2.2, 3.3 };

        System.out.println("Integer Array:");
        printArray(intArray);

        System.out.println("String Array:");
        printArray(stringArray);

        System.out.println("Double Array:");
        printArray(doubleArray);
    }
}