java数组的for遍历

class ArrayDome
{
	public static void main(String[] args)
	{
		int[] arr = {12,51,12,11}; 

		//顺序遍历
		for(int x = 0; x < arr.length; x++)
		{
			System.out.println(arr[x]);
		}

		//反向遍历
		for(int x = arr.length-1; x >= 0; x--)
		{
			System.out.println(arr[x]);
		}

	}
}