M182-lect1 pdf

The programming process3. Test and debug :A program that compiles and executes successfully doesnot necessarily work as expected.It is very important to test the program with several kindsof inputs to make sure that it always gives the expectedoutcome.Programs often contain a type of error called a bug (or,more formally, a logic or design error). Such errors are hardto find and sometimes are not found until long after aprogram has been released.A tool called the debugger is very helpful in finding sucherrors.13