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LocalDate minus() method in Java with Examples
  • Last Updated : 18 Dec, 2018

In LocalDate class, there are two types of minus() method depending upon the parameters passed to it.

minus(long amountTosubtract, TemporalUnit unit)

minus() method of a LocalDate class used to Returns a copy of this LocalDate with the specified amount of unit subtracted to LocalDate.If it is not possible to subtract the amount, because the unit is not supported or for some other reason, an exception is thrown.

Syntax:

public LocalDate minus(long amountToSubtract,
                       TemporalUnit unit)

Parameters: This method accepts two parameters:

  • amountToSubtract: which is the amount of the unit to subtract to the result, may be negative
  • unit: which is the unit of the amount to subtract.

Return value: This method returns LocalDate based on this date-time with the specified amount subtracted.



Exception: This method throws following Exceptions:

  • DateTimeException: if the subtraction cannot be made
  • UnsupportedTemporalTypeException: if the unit is not supported
  • ArithmeticException: if numeric overflow occurs

Below programs illustrate the minus() method:

Program 1:




// Java program to demonstrate
// LocalDate.minus() method
  
import java.time.*;
import java.time.temporal.ChronoUnit;
  
public class GFG {
    public static void main(String[] args)
    {
  
        // create a LocalDate object
        LocalDate zonedlt
            = LocalDate.parse("2018-12-06");
  
        // subtract 12 Years to LocalDate
        LocalDate value
            = zonedlt.minus(12, ChronoUnit.YEARS);
  
        // print result
        System.out.println("LocalDate after "
                           + "subtracting Months: "
                           + value);
    }
}
Output:
LocalDate after subtracting Months: 2006-12-06

minus(TemporalAmount amountTosubtract)

minus() method of a LocalDate class used to returns a copy of this LocalDate with the specified amount subtracted to LocalDate.The amount is typically Period or Duration but may be any other type implementing the TemporalAmount interface.

Syntax:

public LocalDate minus(TemporalAmount amountTosubtract)

Parameters: This method accepts one single parameter amountTosubtract which is the amount to subtract, It should not be null.

Return value: This method returns LocalDate based on this date-time with the subtractition made, not null.

Exception: This method throws following Exceptions:

  • DateTimeException: if the subtraction cannot be made
  • ArithmeticException: if numeric overflow occurs

Below programs illustrate the minus() method:

Program 1:




// Java program to demonstrate
// LocalDate.minus() method
  
import java.time.*;
public class GFG {
    public static void main(String[] args)
    {
  
        // create a LocalDate object
        LocalDate zonedlt
            = LocalDate.parse("2018-12-06");
  
        // subtract 30 Days to LocalDate
        LocalDate value
            = zonedlt.minus(Period.ofDays(30));
  
        // print result
        System.out.println("LocalDate after"
                           + " subtracting Days: "
                           + value);
    }
}
Output:
LocalDate after subtracting Days: 2018-11-06

Reference:

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