Write a stream based program which will accept Roll Number, Name, Age and Address from user. Age and Roll-no should be numeric. Handle with built-in exception. None of the field should be blank....

Write a stream based program which will accept Roll Number, Name, Age and Address from user. Age and Roll-no should be numeric. Handle with built-in exception. None of the field should be blank. Handle with custom exception. Ask user, whether to write the data in the file. If answer is yes, then data is saved into a file as an object (User can write many records in the file), otherwise terminate the current program. Write another program to display all the records saved into the file. write java code