public class ArrayDemo {
	public static void main(String[] args) {
		int[][] array = new int[3][];
		//output "class [[I"
		System.out.println(array.getClass());
		array[0] = new int[8];
		array[1] = new int[5];
		array[2] = new int[10];
		//output "class [I"
		System.out.println(array[0].getClass());
		System.out.println(array.length); //3
		System.out.println(array[0].length); //8
		System.out.println(array[1].length); //5
		System.out.println(array[2].length); //10
	}
}