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# &lt;stdexcept&gt;
Defines several standard classes used for reporting exceptions. The classes form a derivation hierarchy all derived from class [exception](../standard-library/exception-class.md) and include two general types of exceptions: logical errors and run-time errors. The logical errors are caused programmer mistakes. They derive from the base class logic_error and include:  
  
-   `domain_error`  
  
-   `invalid_argument`  
  
-   `length_error`  
  
-   `out_of_range`  
  
 The run-time errors occur because of mistakes in either the library functions or in the run-time system. They derive from the base class runtime_error and include:  
  
-   `overflow_error`  
  
-   `range_error`  
  
-   `underflow_error`  
  
### Classes  
  
|||  
|-|-|  
|[domain_error Class](../standard-library/domain-error-class.md)|The class serves as the base class for all exceptions thrown to report a domain error.|  
|[invalid_argument Class](../standard-library/invalid-argument-class.md)|The class serves as the base class for all exceptions thrown to report an invalid argument.|  
|[length_error Class](../standard-library/length-error-class.md)|The class serves as the base class for all exceptions thrown to report an attempt to generate an object too long to be specified.|  
|[logic_error Class](../standard-library/logic-error-class.md)|The class serves as the base class for all exceptions thrown to report errors presumably detectable before the program executes, such as violations of logical preconditions.|  
|[out_of_range Class](../standard-library/out-of-range-class.md)|The class serves as the base class for all exceptions thrown to report an argument that is out of its valid range.|  
|[overflow_error Class](../standard-library/overflow-error-class.md)|The class serves as the base class for all exceptions thrown to report an arithmetic overflow.|  
|[range_error Class](../standard-library/range-error-class.md)|The class serves as the base class for all exceptions thrown to report a range error.|  
|[runtime_error Class](../standard-library/runtime-error-class.md)|The class serves as the base class for all exceptions thrown to report errors presumably detectable only when the program executes.|  
|[underflow_error Class](../standard-library/underflow-error-class.md)|The class serves as the base class for all exceptions thrown to report an arithmetic underflow.|  
  
## See Also  
 [Header Files Reference](../standard-library/cpp-standard-library-header-files.md)   
 [Thread Safety in the C++ Standard Library](../standard-library/thread-safety-in-the-cpp-standard-library.md)