java Java 中的 OffsetDateTime adjustInto()方法，带示例

Java 中的 OffsetDateTime adjustInto()方法，带示例

原文:https://www . geeksforgeeks . org/offsetdatetime-adjustint-method-in-Java-with-examples/

Java 中 OffsetDateTime 类的adjustitinto()方法将指定的时态对象调整为与该对象具有相同的日期和时间。

语法:

public Temporal adjustInto(Temporal temporal)

参数:该方法接受单个参数时态，指定要调整的目标对象，不为空。

返回值:返回调整后的对象，不为空

错误和异常:此方法抛出如下所述的两个异常:

datetimeexception : If adjustment is not possible.
Arithmetic exception : If there is a numerical overflow.

以下程序说明了 adjustInto()方法:

程序 1 :

// Java program to demonstrate the adjustInto() method

import java.time.OffsetDateTime;
import java.time.ZonedDateTime;

public class GFG {
    public static void main(String[] args)
    {

        // Current time
        ZonedDateTime date = ZonedDateTime.now();

        // Prints the current date
        System.out.println("Current date is: " + date);

        // Parses the date
        OffsetDateTime date1 = OffsetDateTime.parse("2018-12-12T13:30:30+05:00");

        // Function used
        date = (ZonedDateTime)date1.adjustInto(date);

        // Prints the date
        System.out.println(date);
    }
}

输出:

Current date is: 2018-12-11T09:53:15.294Z[Etc/UTC]
2018-12-12T13:30:30Z[Etc/UTC]

程序二 :

// Java program to demonstrate the adjustInto() method
// exceptions

import java.time.OffsetDateTime;
import java.time.ZonedDateTime;

public class GFG {
    public static void main(String[] args)
    {
        try {
            // Current time
            ZonedDateTime date = ZonedDateTime.now();

            // Prints the current date
            System.out.println("Current date is: " + date);

            // Parses the date
            OffsetDateTime date1 = OffsetDateTime.parse("2018-13-12T13:30:30+05:00");

            // Function used
            date = (ZonedDateTime)date1.adjustInto(date);

            // Prints the date
            System.out.println(date);
        }
        catch (Exception e) {
            System.out.println(e);
        }
    }
}

输出:

Current date is: 2018-12-11T09:53:24.660Z[Etc/UTC]
java.time.format.DateTimeParseException: Text '2018-13-12T13:30:30+05:00' could not be parsed: Invalid value for MonthOfYear (valid values 1 - 12): 13