Java 中的日本年代 getId()方法，示例

原文:https://www . geeksforgeeks . org/Japanese 年表-getid-method-in-Java-with-example/

类的 getId() 方法用于检索 getId()方法被撤销的特定年表的标识状态。

语法:

public String getId()

参数:此方法不接受任何参数作为参数。

返回值:该方法返回 getId()方法被撤销的特定年表的标识状态。

以下是说明 getId() 方法的例子:

例 1:

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

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

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

        // getting JapaneseChronology
        // used in JapaneseDate
        JapaneseChronology crono
            = hidate.getChronology();

        // getting id of this Chronology
        // by using getId() method
        String id = crono.getId();

        // display the result
        System.out.println("id : " + id);
    }
}

输出:

id : Japanese

例 2:

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

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

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

        // getting JapaneseChronology
        // used in JapaneseDate
        JapaneseChronology crono
            = hidate.getChronology();

        // getting id of this Chronology
        // by using getId() method
        String id = crono.getId();

        // display the result
        System.out.println("id : " + id);
    }
}

输出:

id : Japanese

参考:https://docs . Oracle . com/javase/9/docs/API/Java/time/chrono/Japanese seriogram . html # getId–

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