Java 中的日本日期范围()方法,示例

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

Java . time . chrono . japanesedate类的 range() 方法用于从 TemporalField 类型的指定字段中获取范围。

语法:

public ValueRange range(TemporalField field)

参数:该方法将临时场类型的作为要获取其范围的参数。

返回值:该方法以 ValueRange 的形式返回指定字段的范围

以下是说明范围()方法的示例:

例 1:

Java 语言(一种计算机语言,尤用于创建网站)

// Java program to demonstrate
// range() 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 the ValueRange for
            // given ChronoField
            // by using range() method
            ValueRange range
                = hidate.range(ChronoField.ERA);

            // display the result
            System.out.println("Equivalent Range : "
                               + range);
        }
        catch (DateTimeException e) {
            System.out.println("passed parameter can"
                               + " not form a date");
            System.out.println("Exception thrown: " + e);
        }
    }
}

Output:

Equivalent Range : -1 - 2

例 2:

Java 语言(一种计算机语言,尤用于创建网站)

// Java program to demonstrate
// range() 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 the ValueRange for
            // given ChronoField
            // by using range() method
            ValueRange range
                = hidate.range(ChronoField.YEAR);

            // display the result
            System.out.println("Equivalent Range : "
                               + range);
        }
        catch (DateTimeException e) {
            System.out.println("passed parameter can"
                               + " not form a date");
            System.out.println("Exception thrown: " + e);
        }
    }
}

Output:

Equivalent Range : 1873 - 999999999

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