class Test { void foo(String[] ss) { Integer[] levels = new Integer[]{Integer.valueOf(1), Integer.valueOf(2), Integer.valueOf(3),}; Integer[] nextWinNumber = new Integer[6]; newMethod(levels, nextWinNumber); } private void newMethod(Integer[] levels, Integer[] nextWinNumber) { for (Integer level : levels) { Integer nextWinNum = nextWinNumber[level - 1]; } } }