说这是用于存储月份的数组,
String months[] = {"January","February","March","April","May","June","July","August","September","October","November","December"};
我用这种方法来获得当前月份
int monthName=calendar.get(Calendar.MONTH);
从当前月份开始,将数组重新排序为新数组或arraylist的最佳方法是什么.
例如:当前月份是八月,所以所需的阵列或Arraylist将是
months[] = {"August","December","January","July"};
解决方法
您可以使用Collections.rotate.要向左旋转,您可以使用元素的负值.
String months[] = {"January","December"}; int monthIndex = LocalDate.now().getMonth().ordinal();//indexed from 0 Collections.rotate(Arrays.asList(months),-monthIndex); //negative value rotates to left System.out.println(Arrays.toString(months));
产出:[8月,9月,10月,11月,12月,1月,2月,3月,4月,5月,6月,7月]