build a graphical FSA environment in java

In this assignment, you will build a complete graphical FSA environment, in a class named FSAEditor, that permits simulation and rudimentary editing of FSAs. The FSA that you display will be stored in the FSAImpl class you wrote for practical 2. Your FSAEditor program can read a FSAnet from a file, or write one to a file, using the FSAReaderWriter class you built previously. You will also be able to simulate the FSA, as it receives events