Java 中的 hijrah 年表 eraOf()方法，示例

原文:https://www . geesforgeks . org/hijrah 年表-java 中的 eraof-method-with-example/

Java . time . chrono . HijrahCronology类的 eraOf() 方法用于通过使用数值 1 来检索 Hizrah Era，因为 HijRahnology 只包含一个 HijrahEra。

语法:

public HijrahEra eraOf(int eraValue)

参数:该方法将整数值作为将要生成 HijrahEra 的参数。

返回值:该方法使用数值 1 返回 Hizrah 纪元，因为 HijrahCronology 只包含一个 HijrahEra。

以下是举例说明 eraOf() 方法的例子:

例 1:

// Java program to demonstrate
// eraOf() 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 HijrahEra for the
            // given integer value
            // by using eraOf() method
            HijrahEra era = crono.eraOf(1);

            // display the result
            System.out.println("HijrahEra is: "
                               + era);
        }
        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
// eraOf() 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 HijrahEra for the
            // given integer value
            // by using eraOf() method
            HijrahEra era = crono.eraOf(0);

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

输出:

HijrahEra is invalid
Exception thrown: java.time.DateTimeException: invalid Hijrah era

参考:https://docs . Oracle . com/javase/9/docs/API/Java/time/chrono/HijRahEr 年表. html#eraOf-int-

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