Java 中的 HijrahChronology eras()方法，示例

原文:https://www . geesforgeks . org/hijrah 年表-eras-Java 中的方法-示例/

Java . time . chrono . hijrah 年表类的纪元()方法用于检索该特定 Hijrah 年表下的所有纪元。

语法:

public List eras()

参数:此方法不接受任何参数作为参数。

返回值:这个方法返回这个特定的 hijrah 年表下的所有时代。

以下是说明纪元()方法的示例:

例 1:

// Java program to demonstrate
// eras() method

import java.util.*;
import java.io.*;
import java.time.*;
import java.time.chrono.*;

public class GFG {
    public static void main(String[] argv)
    {
        try {
            // creating and initializing
            // HijrahDate Object
            HijrahDate hidate = HijrahDate.now();

            // getting HijrahChronology
            // used in HijrahDate
            HijrahChronology crono
                = hidate.getChronology();

            // getting all HijrahEras present
            // by using eraOf() method
            List<Era> list = crono.eras();

            // display the result
            System.out.println("HijrahEra is: "
                               + (list.iterator()).next());
        }
        catch (DateTimeException e) {
            System.out.println("HijrahEra is invalid");
            System.out.println("Exception thrown: " + e);
        }
    }
}

输出:

HijrahEra is: AH

例 2:

// Java program to demonstrate
// eras() method

import java.util.*;
import java.io.*;
import java.time.*;
import java.time.chrono.*;

public class GFG {
    public static void main(String[] argv)
    {
        try {
            // creating and initializing
            // HijrahDate Object
            HijrahDate hidate
                = HijrahDate.now(
                    Clock.systemDefaultZone());

            // getting HijrahChronology
            // used in HijrahDate
            HijrahChronology crono
                = hidate.getChronology();

            // getting all HijrahEras present
            // by using eraOf() method
            List<Era> list = crono.eras();

            // display the result
            System.out.println("HijrahEra is: "
                               + (list.iterator())
                                     .next());
        }
        catch (DateTimeException e) {
            System.out.println("HijrahEra is invalid");
            System.out.println("Exception thrown: " + e);
        }
    }
}

输出:

HijrahEra is: AH

参考:https://docs . Oracle . com/javase/9/docs/API/Java/time/chrono/Hijrah 年代学. html # eras–

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