java 获取几年第一天年月日时分秒LocalDateTime
时间: 2024-02-02 21:10:29 浏览: 29
以下是Java获取几年第一天年月日时分秒的示例代码:
```java
import java.time.LocalDateTime;
public class Main {
public static void main(String[] args) {
int year = 2022; // 假设要获取2022年第一天的年月日时分秒
LocalDateTime firstDayOfYear = LocalDateTime.of(year, 1, 1, 0, 0, 0);
System.out.println("Year: " + firstDayOfYear.getYear()); System.out.println("Month: " + firstDayOfYear.getMonthValue());
System.out.println("Day: " + firstDayOfYear.getDayOfMonth());
System.out.println("Hour: " + firstDayOfYear.getHour());
System.out.println("Minute: " + firstDayOfYear.getMinute());
System.out.println("Second: " + firstDayOfYear.getSecond()); System.out.println("Nanosecond: " + firstDayOfYear.getNano());
}
}
```
输出结果为:
```
Year: 2022
Month: 1
Day: 1
Hour: 0
Minute: 0
Second: 0
Nanosecond: 0
```