Java year adjustInto()方法及示例

Year 类的 adjustInto() 方法用于调整传递的时间对象，使其具有该方法所适用的年份。该实例是不可改变的，不受该方法调用的影响。

语法

public Temporal adjustInto(Temporal temporal)

参数： 该方法接受 temporal 作为参数，它是要调整的目标时间对象。它不应该是空的。

返回值： 该方法返回调整后的对象。

异常： 该方法会抛出以下异常。

下面的程序说明了adjustInto()方法：

程序1 :

// Java program to demonstrate// Year.adjustInto() method  import java.time.*;  public class GFG {    public static void main(String[] args)    {          // create a Year object        Year yr            = Year.of(2019);          // create a temporal object        LocalDate date = LocalDate.parse("2007-12-03");          // print instance        System.out.println("LocalDate :"                           + date);          // apply adjustInto method of Year class        LocalDate updatedlocal = (LocalDate)yr.adjustInto(date);          // print instance        System.out.println("LocalDate after"                           + " applying adjustInto method: "                           + updatedlocal);    }}

输出:

LocalDate :2007-12-03LocalDate after applying adjustInto method: 2019-12-03

程序2

// Java program to demonstrate// Year.adjustInto() method  import java.time.*;  public class GFG {    public static void main(String[] args)    {        // create a Year object        Year yr            = Year.of(2032);          // create a temporal object        LocalDate date = LocalDate.parse("2017-01-13");          // print instance        System.out.println("LocalDate :"                           + date);          // apply adjustInto method of Year class        LocalDate updatedlocal = (LocalDate)yr.adjustInto(date);          // print instance        System.out.println("LocalDate after"                           + " applying adjustInto method: "                           + updatedlocal);    }}

输出:

LocalDate :2017-01-13LocalDate after applying adjustInto method: 2032-01-13

**参考资料: ** https://docs.oracle.com/javase/10/docs/api/java/time/Year.html#adjustInto(java.time.temporal.Temporal)。