public static void main(String[] args) {
		// TODO Auto-generated method stub
		int[] num ={10,20,30,40,50};

		System.out.println(num.length);
		
		for(int cnt =num.length; cnt>0;cnt--){
			
		System.out.println("num[" + (cnt-1) + "]=" + num[cnt-1]);
		}

	}