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CustomException.h #ifndef CUSTOMEXCEPTION_H #define CUSTOMEXCEPTION_H #include <stdexcept> #include <string> class OutOfRangeException : public std::out_of_range { public: OutOfRangeException(const std::string& message) : std::out_of_range(message) {} }; #endif CustomException.cpp #include "CustomException.h" ArrayAccess.cpp #include "CustomException.h" int getFromArray(int index) { int array[10] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}; if (index < 0 || index >= 10) { throw OutOfRangeException("Index out of range: " + std::to_string(index)); } return array[index]; } main.cpp #include <iostream> #include "CustomException.h" int getFromArray(int index); int main() { try { int val = getFromArray(5); std::cout << "Value at index 5: " << val << std::endl; val = getFromArray(-1); // This will throw an exception val = getFromArray(20); // This will also throw an exception } catch (const OutOfRangeException& e) { std::cerr << "Exception: " << e.what() << std::endl; } return 0; }
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