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ChronoPeriod isNegative() method in Java with Examples

The isNegative() method of ChronoPeriod class in Java is used to check whether any of the three YEAR, MONTH, DAYS in period is negative or not.

Syntax:

boolean isNegative()

Parameters: This method does not accepts any parameter.

Return Value: This method returns True if any of the three-valued YEARs, MONTHS, DAYS for the given period is negative, else this will return false.

Below programs illustrate the isNegative() method in Java:

Program 1:




// Java code to show the function isNegative()
// to check whether any of the three given units
// YEAR, MONTH, DAY is negative
  
import java.time.*;
import java.time.chrono.*;
import java.time.temporal.ChronoUnit;
  
public class ChronoPeriodDemo {
  
    // Function to check if any of the three
    // YEAR, MONTH, DAY is negative
    static void ifNegative(int year, int months, int days)
    {
        ChronoPeriod period = Period.of(year, months, days);
        System.out.println(period.isNegative());
    }
  
    // Driver Code
    public static void main(String[] args)
    {
        int year = -12;
        int months = 3;
        int days = 31;
  
        ifNegative(year, months, days);
    }
}


Output:

true

Program 2:




// Java code to show the function isNegative()
// to check whether any of the three given units
// YEAR, MONTH, DAY is negative
  
import java.time.*;
import java.time.chrono.*;
import java.time.temporal.ChronoUnit;
  
public class ChronoPeriodDemo {
  
    // Function to check if any of the three
    // YEAR, MONTH, DAY is negative
    static void ifNegative(int year, int months, int days)
    {
        ChronoPeriod period = Period.of(year, months, days);
        System.out.println(period.isNegative());
    }
  
    // Driver Code
    public static void main(String[] args)
    {
        int year = 12;
        int months = 3;
        int days = 31;
  
        ifNegative(year, months, days);
    }
}


Output:

false

Reference: https://docs.oracle.com/javase/9/docs/api/java/time/chrono/ChronoPeriod.html#isNegative–

Dominic Rubhabha-Wardslaus
Dominic Rubhabha-Wardslaushttp://wardslaus.com
infosec,malicious & dos attacks generator, boot rom exploit philanthropist , wild hacker , game developer,
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