在将日期插入数据库时，JDBC无法正常工作

my code seems to now work as intended and i can't seem to understand why . I'm trying to update a date from the database with anotherDate+14. The problem is all the updated dates have the same value. The code works when i try debugging it , but i got code different results in the db . Here is the code : my code seems to now work as intended and i can