class ArrayInitialization {
	public static void print(String s, String[] arr){
		System.out.println(s);
		if (arr == null)
			System.out.println("Empty array");
		else
			for (int index=0;index < arr.length; index++)
				System.out.println(arr[index]);
	}

	public static void main(String[] args){
		String[] names = null;
		String[] cities = {"Roma", "Paris", "London", "Lønholt"};

		print("The names reference refers to: ", names);
		print("The cities reference refers to: ", cities);


		names = new String[3];
		names[0] = "Hans";
		names[1] = "Sidhartha";
		names[2] = "Krzysztof";
		print("The names reference refers to: ", names);

		// State shown in slide 1

		names = new String[]{"Bill","Reagan","Bush Jr"};
		print("The names reference refers to: ", names);

		String[][] twoDim = { {"monkey","donkey"},
							  {"cow", "giraffe"}};
		print("The first dimension refers to: ", twoDim[0]);
		print("The second dimension refers to: ", twoDim[1]);

		// State shown in slide 2

		twoDim[0] = names;
		twoDim[1] = cities;
		print("The first dimension refers to: ", twoDim[0]);
		print("The second dimension refers to: ", twoDim[1]);

		// State shown in slide 3
	}
}