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JapaneseDate minus(long, TemporalUnit) method in Java with Examples

  • Last Updated : 10 Oct, 2021

The minus() method of java.time.chrono.JapaneseDate class is used to get the Japanese date after subtracting an amount of temporal accessor unit from the current Japanese date.
Syntax: 
 

public JapaneseDate minus(long amountToAdd,
                          TemporalUnit unit)

Parameter: This method takes the following argument as a parameter: 
 

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  • amountToSubtract: which is the value of temporal unit which is going to subtracted from the current Japanese date.
  • unit: which is the object of temporal unit or chrono unit.

Return Value: This method returns the Japanese date after subtracting an amount of temporal accessor unit from current Japanese date.
Below are the examples to illustrate the minus() method:
Example 1:
 

Java




// Java program to demonstrate minus() 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();
 
            // Display the result
            System.out.println("old japanese date: "
                               + hidate);
 
            // Subtracting japanese date
            // by using minus() method
            JapaneseDate newdate
                = hidate.minus(
                    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 32-03-23
new japanese date: Japanese Heisei 32-03-01

 

Example 2: 
 

Java




// Java program to demonstrate minus() 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();
 
            // Display the result
            System.out.println("old japanese date: "
                               + hidate);
 
            // Subtracting japanese date
            // by using minus() method
            JapaneseDate newdate
                = hidate.minus(
                    4, ChronoUnit.DECADES);
 
            // 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 32-03-23
new japanese date: Japanese Showa 55-03-23

 

Reference: https://docs.oracle.com/javase/9/docs/api/java/time/chrono/JapaneseDate.html#minus-long-java.time.temporal.TemporalUnit-
 




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