去掉字符串數組中的空值

public static String[] removeNullValues(String[] firstArray) {

	List<String> list = new ArrayList<String>();

	for (String s : firstArray) {
		if (s != null && s.length() > 0) {
			list.add(s);
		}
	}

	firstArray = list.toArray(new String[list.size()]);
	return firstArray;
}