assigning random numbers to arraylist

I'm trying to make a thing to assign random Stats to Characters in DnD I have the list of strings like this,

 List<String> list = new ArrayList<String>();
        list.add("STR");
        list.add("DEX");
        list.add("CON");
        list.add("INT");
        list.add("WIS");
        list.add("CHA");