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The minus(long, unit) method of Year class is used to return a copy of this year after subtracting the specified amount of unit from this Year object.An exception is thrown, If the specified unit cannot be subtracted from Year. This instance is immutable and unaffected by this method call. Syntax:

public Year minus(long amountToSubtract, TemporalUnit unit)

Parameters: This method accepts two parameters:

amountToSubtract: This parameter represents the amount of the unit to subtract from the result.
unit: This parameter represents the unit of the amount to subtract.

Return Value: This method returns a Year based on this year with the specified amount subtracted. Exception: This method throws following Exceptions:

DateTimeException - This exception is thrown if the subtraction cannot be made.
UnsupportedTemporalTypeException - This exception is thrown if the unit is not supported.
ArithmeticException - This exception is thrown if numeric overflow occurs.

Below programs illustrate the minus(long, unit) method: Program 1:

Java

// Java program to demonstrate
// Year.minus(long, unit) method

import java.time.*;
import java.time.temporal.*;

public class GFG {
    public static void main(String[] args)
    {
        // create a Year object
        Year year = Year.of(2019);

        // print instance
        System.out.println("Year :"
                           + year);

        // apply minus(long, unit) method
        // subtracting 20 years
        Year value
            = year.minus(20, ChronoUnit.YEARS);

        // print result
        System.out.println("After subtraction year: "
                           + value);
    }
}

Output:

Year :2019
After subtraction year: 1999

Program 2:

Java

// Java program to demonstrate
// Year.minus(long, unit) method

import java.time.*;
import java.time.temporal.*;

public class GFG {
    public static void main(String[] args)
    {
        // create a Year object
        Year year = Year.of(2022);

        // print instance
        System.out.println("Year :"
                           + year);

        // apply minus(long, unit) method
        // subtracting 30 years
        Year value
            = year.minus(30, ChronoUnit.YEARS);

        // print result
        System.out.println("After subtraction year: "
                           + value);
    }
}

Output:

Year :2022
After subtraction year: 1992

References: https://docs.oracle.com/javase/10/docs/api/java/time/Year.html#minus(long, java.time.temporal.TemporalUnit)

Year minus(long,unit) method in Java with Examples

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