java - How to remove a string from an arraylist randomly -


so program supposed user inputs name text box , presses button add array displayed onto text area. thing can't figure out how take away name arraylist randomly. noob programmer.

here have far.

 random r = new random();  arraylist <string> names = new arraylist<string>();   private void btnaddactionperformed(java.awt.event.actionevent evt) {                                             names.add(txtadd.gettext());     txtdisplay.settext("" + names);  }

names.remove(r.nextint(names.size()));


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