how to solve persistent storage problem?

Question

i have store a some value in persistent storage in my application.even i delete that application persistent value not deleted(simulator it working well but in phone i got this problem).how to solve my problem ? this is my code to store persstent value

PersistentObject store =PersistentStore.getPersistentObject(0xc082e14edb333bbeL);synchronized (store) {try{
store.setContents(current_date);
   store.commit();}catch (Exception e) {e.printStackTrace();}}

Answer 1

i resolved my issue following way i post the answer because this may be useful for others thank you

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