Java中的 JapaneseDate getEra() 方法与示例

Java.time.chrono.JapaneseDate类的getEra()方法用于检索与这个日本日期相关的纪元。

句法：

public JapaneseEra getEra()

参数：此方法不接受任何参数。

返回值：该方法返回这个日本日期的时代。

以下是说明getEra()方法的示例：
示例 1：

Java

// Java program to demonstrate
// getEra() 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
            // JapaneseDate Object
            JapaneseDate hidate = JapaneseDate.now();
  
            // getting chronology of this date
            // by using getChronology() method
            JapaneseEra crono = hidate.getEra();
  
            // display the result
            System.out.println("JapaneseEra: "
                               + crono);
        }
        catch (DateTimeException e) {
            System.out.println("passed parameter can"
                               + " not form a date");
            System.out.println("Exception thrown: "
                               + e);
        }
    }
}

输出

JapaneseEra: Heisei

示例 2：

Java

// Java program to demonstrate
// getEra() 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
            // JapaneseDate Object
            JapaneseDate hidate
                = JapaneseDate.of(2008, 04, 24);
  
            // getting chronology of this date
            // by using getChronology() method
            JapaneseEra crono = hidate.getEra();
  
            // display the result
            System.out.println("JapaneseEra: "
                               + crono);
        }
        catch (DateTimeException e) {
            System.out.println("passed parameter can"
                               + " not form a date");
            System.out.println("Exception thrown: "
                               + e);
        }
    }
}

输出：

Some error occured or ide is down,please try again

输出

JapaneseEra: Heisei

参考： https://docs.oracle.com/javase/9/docs/api/ Java/time/chrono/JapaneseDate.html#getEra–