Your submission should follow our general guidelines. Please follow object-oriented principles.
Demonstrate the calculation on the following net:
R1 1 2 1k R2 1 3 2k R3 2 3 4k R4 1 0 8k R5 3 0 6k
You should read a netlist from a file specified on the command line. If no command-line argument has been given, you should use a JFileChooser to query the user for the filename.