Format eleven digit number to string

Question

I have number eleven digit number from my DB: 12345678910 I need to get this number in the following format: 123-456-789-10 How i can get it with standart Java?

Answer 1

You can use a StringBuilder:

    long number = 12345678910L;
    String stringNumber = new StringBuilder(number + "")
            .insert(3, '-')
            .insert(7, '-')
            .insert(11, '-')
            .toString();