java 当月最后一天_java中取得当月最后一天的四种方法
时间: 2023-09-10 17:15:02 浏览: 69
以下是 Java 中取得当月最后一天的四种方法:
方法一:通过 Calendar 类实现
```
Calendar calendar = Calendar.getInstance();
calendar.set(Calendar.DAY_OF_MONTH, calendar.getActualMaximum(Calendar.DAY_OF_MONTH));
Date lastDayOfMonth = calendar.getTime();
```
方法二:通过 Date 类实现
```
Date date = new Date();
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
calendar.set(Calendar.DAY_OF_MONTH, calendar.getActualMaximum(Calendar.DAY_OF_MONTH));
Date lastDayOfMonth = calendar.getTime();
```
方法三:通过 LocalDate 类实现
```
LocalDate today = LocalDate.now();
LocalDate lastDayOfMonth = today.with(TemporalAdjusters.lastDayOfMonth());
```
方法四:通过 Joda-Time 库实现
```
DateTime dateTime = new DateTime();
DateTime lastDayOfMonth = dateTime.dayOfMonth().withMaximumValue();
```
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