Take an integer user input n$.11.$ Create an array of object of "Account" class of size n and fill them up with user input values. $111.$ Write a method called "WriteToFile" which will take a file as parameter and write to a file called "AccountRecords". This method will only write those objects of the array for which the accountNo is unique $($means the accountNo doesn't already exist in the file$).($note: remember to write to the file in a tabular method with columns: AccountNO, FirstName, LastName, Balance$)$ iv$.$ The program should throw a custom exception "Duplicate Account Exception" whenever it encounters a duplicate account number or have negative number as balance. V$.($Bonus Question$)$ Write another method called "ReadFile" which will take a file as parameter and read that file and throw a custom exception "CapitalException" whenever any Name has any Capital letter in it$.$