Multiple classes in a single .cs file - good or bad? [duplicate]

Question

Possible Duplicate:
Is it a bad practice to have multiple classes in the same file?

Is it advisable to create multiple classes within a .cs file or should each .cs file have an individual class?(Class file name also Animal.cs)

public class Animal { }  public class Person { }  public class Utility { } 

Answer 1

Simply say good practice is one class from one file. BUT if your application is quite small you can use several classes in one file.