Sorting a List alphabetically using compareTo() method

Question

I am writing a phonebook program in java and i need to list people in the list alphabetically and to do that i need to write a sorting algorithm for a list in java and it sh

Answer 1

Implement Comparable in your Person class.

Your compareTo() method would then be something like:

public int compareTo(Person other) {
    return name.compareTo(other.getName())
}

Then use Collections.sort();