Method printArray

day02/code/04_数据类型/MyArrayTest.java:21–30

(int[] arr)

	//����
	public static void printArray(int[] arr) {
		System.out.print("[");
		for (int i=0; i<arr.length; i++) {
			if (i <= arr.length-1) {
				System.out.print(arr[i] +", ");
			}
			System.out.print(arr[i]);
		}
		System.out.println("]");
	}

	//��ֵ
	public static int getMax(int[] arr) {