example2_function_class_definitions.cpp

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#include <iostream>

// Function definition
void printMessage() {
    std::cout << "Hello from a function!" << std::endl;
}

// Class definition
class MyClass {
public:
    MyClass() {
        std::cout << "Constructor called" << std::endl;
    }
    
    void memberFunction() {
        std::cout << "Member function called" << std::endl;
    }
};

int main() {
    printMessage();
    
    MyClass obj;
    obj.memberFunction();
    
    return 0;
}