What is the difference between an int and an Integer in Java and C#?

Question

I was reading More Joel on Software when I came across Joel Spolsky saying something about a particular type of programmer knowing the difference between an i

Answer 1

In C#, int is just an alias for System.Int32, string for System.String, double for System.Double etc...

Personally I prefer int, string, double, etc. because they don't require a using System; statement :) A silly reason, I know...