Which one to use, int or Integer

I need to create a data transfer object, which I will use for storing the records retrieved from database. In this data transfer object, I need to declare a numeric field. For that which one is better - **int** or **Integer** If I am defining the field as Integer, will there be any performance impact because of 'Integer' type if I am going to retrieve more than 2000 records from DB!? Thanks in advance.
You will most likely find that the overhead of physically getting data moved from the database to your program overwhelms the performance impact of an Integer-wrapper.

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