Compiling simultaneously two classes referencing each other

Hi,
When we want to compile 2 classes simultaneously in a package, we give command --
javac package-name/*.java
Suppose the two classes are ClassA and ClassB and ClassA has a reference of ClassB. So the compiler will finish compiling ClassB before compiling ClassA.
But, if both the classes have each others' reference, how does compiler resolve this? Because, even in that case both classes get compiled
Regards,
Amit

Lets say that compilation is done in 2 steps.
The first step is done for all files first.
Then the second step is done for all files.
That means that for the second step the compile-time resolution has takes place.
Two classes that refers to each other must go through the first step in
the same compilation so that in the second step when
they are referring to each other they are easily resolved.
This is different from runtime resolution.

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Compiling simultaneously two classes referencing each other

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