Java 中的 JapaneseDate getLong()方法，示例

原文:https://www . geesforgeks . org/japanesedate-getlong-method-in-Java-with-example/

Java . time . chrono . japanesedate类的 getLong() 方法用于以长格式检索传递的时态字段。

语法:

public long getLong(TemporalField field)

参数:该方法以任意类型的时态字段为参数。

返回值:该方法以长格式返回传递的时态字段。

以下是说明 getLong() 方法的例子:

例 1:

Java 语言(一种计算机语言，尤用于创建网站)

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

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

public class GFG {
    public static void main(String[] argv)
    {
        try {

            // creating and initializing
            // JapaneseDate Object
            JapaneseDate hidate
                = JapaneseDate.now();

            // getting temporal field in long format
            // by using getLong() method
            long tempo
                = hidate.getLong(
                    ChronoField.EPOCH_DAY);

            // display the result
            System.out.println(
                "specified temporal field"
                + "in long format: "
                + tempo);
        }
        catch (DateTimeException e) {
            System.out.println(
                "passed parameter can"
                + " not form a date");
            System.out.println(
                "Exception thrown: "
                + e);
        }
    }
}

Output:

specified temporal fieldin long format: 18336

例 2:

Java 语言(一种计算机语言，尤用于创建网站)

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

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

public class GFG {
    public static void main(String[] argv)
    {
        try {

            // creating and initializing
            // JapaneseDate Object
            JapaneseDate hidate
                = JapaneseDate.now();

            // getting temporal field in long format
            // by using getLong() method
            long tempo
                = hidate.getLong(
                    ChronoField.DAY_OF_WEEK);

            // display the result
            System.out.println(
                "specified temporal field"
                + "in long format: "
                + tempo);
        }
        catch (DateTimeException e) {
            System.out.println(
                "passed parameter can"
                + " not form a date");
            System.out.println(
                "Exception thrown: "
                + e);
        }
    }
}

Output:

specified temporal fieldin long format: 7

参考:https://docs . Oracle . com/javase/9/docs/API/Java/time/chrono/japanesedate . html # getLong-Java . time . temporal field-

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