death calculator by date of birth make in java

1Death: 1899 03 18 --> 1899 02 --> 1898 13 
2Birth: 1805 04 27 --> 1805 04 --> 1805 03 
3Alive from April 27th to 30st  in 1805 = 4 days
4Alive from March 1st to 18th, but don't count last day = 17 days
5Total of 21 days.
6
7Giving an age of 93 years 10 months 21 days
8

1Death: 1899 03 18 --> 1899 02 18+30 --> 1898 14 48
2Birth: 1805 04 27 --> 1805 04 27    --> 1805 04 27
3
4Giving an age of 93 years 10 months 21 days
5