Thread: HELP!

Hello, I need some help.

For my situation, let say I have a 3 classes, Calculator main, Computation and Graph.

Basically, it's like the following:
Computation main class will calls ComputeCircleMethod from computation class.
The computation class will generate a input and use it as a variable and calls a method of the graph class.
The graph class will then return a output.
This will repeat for a few times until the final desired output is gotten.

Input || Graph Class || Output
A -----------------------> B
B -----------------------> C
C -----------------------> D
D -----------------------> E (Final Desired Output)

My question is, I know that the calling class, Computation class would have access to value A,B,C,D and E. However is it possible, to create a class or any other ways which allow me to get the value A, B and C within the method of the computation class, without adding any codes into the computation class or graph class.

Many thanks in advance.

depends. Are there getters already in these classes, or is the variable holding the values public?