Removal of Adjacent Duplicate Characters

 public class RemovalAdjacentDuplicateCharacters {

    //ouput: raamu = rmu
    public static String remove(String s) {
        char[] values = s.toCharArray();
        char[] tempArray = new char[values.length];
        int k = 0;
        int i = 0;
        for (i = 1; i < values.length; i++) {
            if (values[i - 1] != values[i]) {
                tempArray[k++] = values[i - 1];
            } else {
                // remove adjacent duplicates
                while (i < values.length && values[i - 1] == values[i]) {
                    i++;
                }
            }
        }

        if (i <= values.length) {
            tempArray[k++] = values[i - 1];
        }

        return String.valueOf(tempArray);
    }

    public static void main(String args[]) {

        System.out.println(remove("apple")); //op:rmu
    }
}