public void registerHint(final String hint) {
		if (hints == null) {
			hints = new ArrayList<>(hintCount);
		}
		hints.add(hint);
	}
public void registerHint(final String hint) {
		if (hints == null) {
			hints = new ArrayList<>(hintCount);
		}
		hints.add(hint);
	}
public void registerHint ( final String hint ) { if ( hints == null ) { hints = new ArrayList <> ( hintCount ) ; } hints . add ( hint ) ; }
Registers a hint.
Registers a hint .