Exception Handling in C++, try , catch, throw, Learn C++ in Easy way

C++ Exception Handling  Exception Handling in C++ is a process to handle runtime errors. We perform exception handling so the normal flow of the application can be maintained even after runtime errors. Types of errors 1.Syntax error:- This error occurs due to not properly follow grammatical rules like ; missing, } missing, Not declaring an identifier etc. 2. Logical error:- This error won’t be displayed on the screen. This error occurs due to not wrong formula or logic used. Due to this program display wrong result. Example avg=a+b+c+d/4, the correct way to find average is avg=(a+b+c+d)/4 3. Runtime error:- This error occurs while running a program.

Advantages  1) Separation of Error Handling code from Normal Code  2) We perform exception handling so the normal flow of the application can be maintained even after runtime errors.  3) Grouping of Error Types: In C++, both basic types and objects can be thrown as exception. We can create a hierarchy of exception objects, group exceptions in namespaces or classes, categorize them according to types.

 In C++, we use 3 keywords to perform exception handling:

1. try
2. catch
3. throw  The try statement allows you to define a block of code to be tested for errors while it is being executed.  The throw keyword throws an exception when a problem is detected.  The catch statement allows you to define a block of code to be executed, if an error occurs in the try block.

Bandicam software is used to capture screen

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