Checks if this period is equal to another period.
!(p)
The comparison is based on the type {@code Period} and each of the three amounts.
To be equal, the years, months and days units must be individually equal.
Note that this means that a period of "15 Months" is not equal to a period
of "1 Year and 3 Months".
@param obj the object to check, null returns false
@return true if this is equal to the other period
Checks if this period is equal to another period. !(p) The comparison is based on the type {@code Period} and each of the three amounts. To be equal, the years, months and days units must be individually equal. Note that this means that a period of "15 Months" is not equal to a period of "1 Year and 3 Months".
@param obj the object to check, null returns false @return true if this is equal to the other period