Copyright 2002 by
Prentice Hall, Inc.
How Can Legacy Systems be
Restructure the system:
systems that are basically doing the
job but run inefficiently or “fragile.”
Seven Steps in restructuring:
Evaluate the amount of structure in
the current system - number of
layers of nesting, degree of
complexity, etc. Use tools to trace
program control logic.
Compile the program, to be sure it
is in working order