语法

JAVA 计算两个日期相差月份

代码如下：

public static void main(String[] args) throws ParseException{
    SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
    String str1 = "2014-02-06";
    String str2 = "2012-02-05";
    Calendar bef = Calendar.getInstance();
    Calendar aft = Calendar.getInstance();
    bef.setTime(sdf.parse(str1));
    aft.setTime(sdf.parse(str2));
    int surplus = aft.get(Calendar.DATE) - bef.get(Calendar.DATE);
    int result = aft.get(Calendar.MONTH) - bef.get(Calendar.MONTH);
    int month = (aft.get(Calendar.YEAR) - bef.get(Calendar.YEAR)) * 12;
    System.out.println(surplus);
    surplus = surplus <= 0 ? 1 : 0;
    System.out.println(surplus);
    System.out.println("相差月份：" + (Math.abs(month + result) + surplus));
}

打印结果：

-1
1
相差月份：25
Process finished with exit code 0

参考链接：https://blog.csdn.net/qq_33887333/article/details/72676492 注：因为参考跟我需求不太一样，稍微改了下贴出来了

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