Duration isNegative() method in Java with Examples Last Updated : 26 Nov, 2018 Comments Improve Suggest changes Like Article Like Report The isNegative() method of Duration Class in java.time package is used to check if this duration is negative or not. It returns a boolean value depicting the same. Syntax: public boolean isNegative() Parameters: This method do not accepts any parameter. Return Value: This method returns a boolean value. If the duration is negative, then it returns true. Else it returns false. Below examples illustrate the Duration.isNegative() method: Example 1: Java // Java code to illustrate isNegative() method import java.time.Duration; public class GFG { public static void main(String[] args) { // Get the text String time = "P2DT3H4M"; // Duration using parse() method Duration duration = Duration.parse(time); // Duration using isNegative() method boolean isNegative = duration.isNegative(); System.out.println(isNegative); } } Output: false Example 2: Java // Java code to illustrate isNegative() method import java.time.Duration; public class GFG { public static void main(String[] args) { // Get the text String time = "-P2DT3H4M"; // Duration using parse() method Duration duration = Duration.parse(time); // Duration using isNegative() method boolean isNegative = duration.isNegative(); System.out.println(isNegative); } } Output: true Reference: https://docs.oracle.com/javase/9/docs/api/java/time/Duration.html#isNegative-- Comment More infoAdvertise with us Next Article Duration getNano() method in Java with Examples C code_r Follow Improve Article Tags : Java Java-Functions Java-time package Java-Duration Practice Tags : Java Similar Reads Duration isZero() method in Java with Examples The isZero() method of Duration Class in java.time package is used to check if this duration is of 0 length ot not. It returns a boolean value depicting the same. Syntax: public boolean isZero() Parameters: This method do not accepts any parameter. Return Value: This method returns a boolean value. 1 min read Duration getNano() method in Java with Examples The getNano() method of Duration Class in java.time package is used to get the nanos value of this duration. Syntax: public long getNano() Parameters: This method do not accepts any parameter. Return Value: This method returns a long value of the nanos of this duration. Below examples illustrate the 1 min read Duration abs() method in Java with Examples The abs() method of Duration Class in java.time package is used to get an immutable copy of this duration with the absolute duration. Syntax: public Duration abs() Parameters: This method do not accepts any parameter. Return Value: This method returns a Duration which is an immutable copy of the exi 1 min read Duration getUnits() method in Java with Examples The getUnits() method of Duration Class in java.time package is used to get the list of units that are supported by this duration. Syntax: public List<TemporalUnit> getUnits() Parameters: This method do not accepts any parameter. Return Value: This method returns a list of units that are suppo 1 min read Period isNegative() method in Java with Examples The isNegative() method of Period class in Java is used to check whether any of the three YEAR, MONTH, DAYS in period is negative or not. Syntax: public boolean isNegative() Parameters: This method does not accepts any parameter. Return Value: This method returns True if any of the three valued YEAR 2 min read Duration getSeconds() method in Java with Examples The getSeconds() method of Duration Class in java.time package is used to get the second value of this duration. Syntax: public long getSeconds() Parameters: This method do not accepts any parameter. Return Value: This method returns a long value of the seconds of this duration. Below examples illus 1 min read Like