Exceptions are simply errors. The term is a bit misleading since errors need not be exceptional nor disastrous. You can throw exceptions to indicate an error has occurred. Unlike an error value, which can simply be ignored, an exception must be handled appropriately. This means the code that throws the error must be placed in a try-catch statement, where the catch block catches any exceptions thrown by the try block.
Exception handling is the means by which exceptions -- anomalous events -- are resolved without causing a runtime error.
General debugging techniques include using exceptions and using the debugger to step-into certain sections of code to check for errors.
b+b+b+c+c+c+c =3b+4c
c + c + 2c + c + c = 6c
b + b + b + c + c + c + c = 3b + 4c
4c
c + c + c + c + c = 5 * c.
There are no "primary and secondary keys" in c and c plus plus.
3c
There is no such thing as 'unix C++'.
They do exist in C and C++.
C plus is between 3 and 3.2. C = 75% 0% < Plus < 5% 75%+0% < C Plus < 75%+5% 75 < C Plus < 80% 75%*4 < C Plus < 80% * 4 (3/4)*4 < C Plus < (4/5) * 4 3 < C Plus < 16/5 3 < C Plus < 3.2