Java 中的日本纪年日期现在(时钟)方法，示例
原文:https://www . geeksforgeeks . org/Japanese 年表-date now clock-Java 中的方法-示例/
Java . time . chrono . Japanese 年表类的 dateNow() 方法用于从指定的时钟对象中获取根据日本日历系统的当前日本日期。
语法:
public JapaneseDate dateNow(Clock clock)
参数:该方法以时钟的对象为参数，用于从指定的时钟对象中获取根据日本日历系统的当前日本日期。
返回值:此方法从指定的时钟对象返回根据日本日历系统的日本日期。
以下是举例说明 dateNow() 方法的例子:
例 1:
// Java program to demonstrate
// dateNow() 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 JapaneseChronology
// used in JapaneseDate
JapaneseChronology crono
= hidate.getChronology();
// creating and initializing
// clock object
Clock clock = Clock.systemUTC();
// getting JapaneseDate for the
// given clock object
// by using dateNow() method
JapaneseDate date
= crono.dateNow(clock);
// display the result
System.out.println(
"JapaneseDate is: "
+ date);
}
catch (DateTimeException e) {
System.out.println(
"passed parameter can "
+ "not form a date");
System.out.println(
"Exception thrown: " + e);
}
}
}
输出:
JapaneseDate is: Japanese Heisei 32-03-11
例 2:
// Java program to demonstrate
// dateNow() 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 JapaneseChronology
// used in JapaneseDate
JapaneseChronology crono
= hidate.getChronology();
// creating and initializing
// clock object
Clock clock
= Clock.systemUTC();
// setting clock
clock = Clock.tick(
clock,
Duration.ofDays(100));
// getting JapaneseDate for the
// given clock object
// by using dateNow() method
JapaneseDate date
= crono.dateNow(clock);
// display the result
System.out.println(
"JapaneseDate is: "
+ date);
}
catch (DateTimeException e) {
System.out.println(
"passed parameter can "
+ "not form a date");
System.out.println(
"Exception thrown: " + e);
}
}
}
输出:
JapaneseDate is: Japanese Heisei 32-02-08
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