@Test
	public void test() {
		String[] sortedArray =   {"a","b","c","d","e","1"};
		String[] unsortedArray = {"a","2","c","3","1","4"};


		int number = 0;
		for(int i=0;i<sortedArray.length;i++){
			if(!NumberUtils.isNumber(sortedArray[i])){
				continue;
			}
			number = Integer.parseInt(sortedArray[i]);
		}

		for(int i=0;i<unsortedArray.length;i++){
			if(NumberUtils.isNumber(sortedArray[i])&&
					number==Integer.parseInt(sortedArray[i])){
				System.out.println(number);
			}
		}

	}