When does it make sense to use a public field?

Question

This is a question I have had for a while now:

When does it make sense to expose a field publicly like so?

public class SomeClass()
{
   public int backi         


        

Answer 1

When does it make sense to expose a field publicly?

Among other places, on private classes as below.

public class MyOuterClass
{
      private class MyInnerClass
      {
            public int val ; // why bother w/boiler plate
      }
}