7

Exceptions

Exception handling has many advantages over return-value–based error reporting. Good framework design helps the application developer realize the benefits of exceptions. This section discusses the benefits of exceptions and presents guidelines for using them effectively.

Exception handling offers the following benefits:

  • Exceptions integrate well with object-oriented languages. Object-oriented languages tend to impose constraints on member signatures that are not imposed by functions in non-object-oriented languages. For example, in the case of constructors, operator overloads, and properties, the developer has no choice in the return value. For this reason, it is not possible to standardize on return-value–based error reporting ...

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