Java 中的 JapaneseDate plus(long,TemporalUnit)方法
原文:https://www . geesforgeks . org/japanesedate-plus long-temporalunit-method-in-Java/
Java . time . chrono . japanesedate类的 plus() 方法用于在当前日语日期的基础上增加一定数量的时态访问器单元,得到日语日期。
语法:
public JapaneseDate plus(long amountToAdd,
TemporalUnit unit)
参数:该方法以以下参数为参数:
- amounttoad:是时间单位的数量,将与当前日本日期相加。
- 单位:是时间单位或时辰单位的对象。
返回值:该方法将当前日语日期加上一定量的时态取值单位后,返回日语日期。
下面举例说明加()的方法:
例 1:
Java 语言(一种计算机语言,尤用于创建网站)
// Java program to demonstrate
// plus() 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.of(
4000, 06, 23);
// Display the result
System.out.println(
"Old Japanese date: "
+ hidate);
// Adding some amount in Japanese date
// by using plus() method
JapaneseDate newdate
= hidate.plus(
22,
ChronoUnit.DAYS);
// Display the result
System.out.println(
"New Japanese date: "
+ newdate);
}
catch (DateTimeException e) {
System.out.println(
"Passed parameter can"
+ " not form a date");
System.out.println(
"Exception thrown: "
+ e);
}
}
}
Output:
Old Japanese date: Japanese Heisei 2012-06-23
New Japanese date: Japanese Heisei 2012-07-15
例 2:
Java 语言(一种计算机语言,尤用于创建网站)
// Java program to demonstrate
// plus() 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.of(
4000, 06, 23);
// Display the result
System.out.println(
"Old Japanese date: "
+ hidate);
// Adding some amount in Japanese date
// by using minus() method
JapaneseDate newdate
= hidate.plus(
6,
ChronoUnit.YEARS);
// Display the result
System.out.println(
"New Japanese date: "
+ newdate);
}
catch (DateTimeException e) {
System.out.println(
"Passed parameter can"
+ " not form a date");
System.out.println(
"Exception thrown: "
+ e);
}
}
}
Output:
Old Japanese date: Japanese Heisei 2012-06-23
New Japanese date: Japanese Heisei 2018-06-23
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