The plusDays(long) method of Duration Class in java.time package is used to get an immutable copy of this duration with the specified number of days added, passed as the parameter.
public Duration plusDays(long numberOfDays)
Parameters: This method accepts a parameter numberOfDays which is the number of days to be added. It can be positive or negative but not null.
Return Value: This method returns a Duration which is an immutable copy of the existing duration with the parameter amount of days added to it.
Exception: This method throws ArithmeticException if numeric overflow occurs.
Below examples illustrate the Duration.plusDays() method:
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