Chapter 12, Problem 15E

Explanation of Solution

Method definition:

//method definition

    public static String vowelsToEnd(String s)

    {

    //condition to validate the length of the string

    if (s.length() <= 1)

     {

        //return the string

        return s;

    }

    //else part

    else

     {

        //set the string first position

        char first = s.charAt(0);

        //set the substring value

        String rest = s.substring(1);

        //condition to validate the vowels

        if (first == 'a' || first == 'e' || first == 'i' || first == 'o' || first == 'u')

 ...