Problems with recognizing variables and methods from same package

Problems with recognizing variables and methods from same package

I understand how to use and import outside packages, but I've never
packaged my own classes before. I read the Oracle Tutorial on Creating a
Package, and looked at In Java, what's the difference between public,
default, protected and private in addition to several sites/SO threads on
packages. For the life of me, I can't figure out why this extraordinary
simple example doesn't work:
package PTest;
public class A
{
protected final int SIZE = 10;
public void printSize()
{
System.out.println(SIZE);
}
}
package PTest;
public class B
{
public static void main(String[] args)
{
System.out.println(SIZE);
hello();
}
}
I used eclipse's autopackaging feature, so I assume that the actual
packing is correct. Here's an image to show that they are indeed packaged
correctly:
As you can see, neither the protected SIZE or the public hello() are
recognized. I've tried this outside of eclipse, also to no avail. Any help
would be greatly appreciated.