I have a simple pair class and have created an array of them.
private static class Pair
{
private String l;
private String e;
}
(a, de), (g, e), (dde, gh)
(a, de), (dde, gh), (g,e)
Using an inline custom comparator:
Arrays.sort(pairArray, new Comparator<Pair>() {
@Override
public int compare(Pair p1, Pair p2) {
return p1.getL().compareTo(p2.getL());
}
});