A CDE Definition
Programming source code that is either poorly written or so complex that it is extremely difficult to figure out. See program maintenance.
Updating applications to reflect changes in the organization's business or to adapt to new operating environments. Although maintaining old programs written by ex-employees is often much more difficult than writing new ones, the task is usually given to junior programmers because the most talented professionals in IT want the creative jobs.
The Real World of Program Maintenance
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