How can i use Collections.sort

hi! i hope someone can help me. Im trying to sort a list that has Strings on it...
list.add("rmjBBrmj");
list.add("rmjAArmj");
list.add("rmjDDrmj");
list.add("rmjCCrmj");
How can i use the "Collections.sort" if i wanted it sorted by the capital letters, like rmjAArmj,rmjBBrmj,rmjCCrmj,rmjDDrmj. Thank you very much for your help.

You override the "natural" sort order by suppling a Comparitor which orders any pair of strings as you see fit, e.g. convert them to upper case before comparing.

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