In Java, remove empty elements from a list of Strings

Question

In Java, I have an ArrayList of Strings like:

[,Hi, ,How,are,you]

I want to remove the null and empty elements, how to change it so it is l

Answer 1

   private List cleanInputs(String[] inputArray) {
        List result = new ArrayList(inputArray.length);
        for (String input : inputArray) {
            if (input != null) {
                String str = input.trim();
                if (!str.isEmpty()) {
                    result.add(str);
                }
            }
        }
        return result;
    }