Java 中的 minuo 年表 eras()方法，示例

原文:https://www . geeksforgeeks . org/minguoberogram-eras-method-in-Java-with-example/

Java . time . chrono . Minguo 年表类的纪元()方法用于检索该特定 Minguo 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民国年表下的所有时代。

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
            // MinguoDate Object
            MinguoDate hidate
                = MinguoDate.now();

            // getting MinguoChronology
            // used in MinguoDate
            MinguoChronology crono
                = hidate.getChronology();

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

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

输出:

MinguoEra is: BEFORE_ROC

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
            // MinguoDate Object
            MinguoDate hidate
                = MinguoDate.now();

            // getting MinguoChronology
            // used in MinguoDate
            MinguoChronology crono
                = hidate.getChronology();

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

            // getting list Iterator
            Iterator iter = list.iterator();

            // display the result
            System.out.println("List of MinguoEra : ");
            for (int i = 0; i < 2; i++)
                System.out.println(iter.next());
        }
        catch (DateTimeException e) {
            System.out.println(
                "MinguoEra is invalid");
            System.out.println(
                "Exception thrown: " + e);
        }
    }
}

输出:

List of MinguoEra : 
BEFORE_ROC
ROC

参考:https://docs . Oracle . com/javase/9/docs/API/Java/time/chrono/Minguo 年表. html # eras–

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