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C++ 异常处理
demo_try_catch2
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#include
using namespace std; int main() { try { int age = 20; if (age > 18) { cout << "Access granted - you are old enough."; } else { throw (age); } } catch (int myNum) { cout << "Access denied - You must be at least 18 years old.\n"; cout << "Age is: " << myNum; } return 0; }
Access granted - you are old enough.