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explain the syntax for passing arguments to base class constructors in multiple inheritance.

Question

Explain the syntax for passing arguments to base class constructors in multiple inheritance.

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Solution

In multiple inheritance, a derived class can inherit from multiple base classes. If these base classes have parameterized constructors, we need to pass arguments to these constructors when creating an object of the derived class.

Here is the syntax for passing arguments to base class constructors in multiple inheritance in C++:

class Base1 {
public:
    Base1(int);
};

class Base2 {
public:
    Base2(int);
};

class Derived : public Base1, public Base2 {
public:
    // The constructor of the derived class accepts three parameters.
    // The first parameter is passed to the constructor of Base1,
    // and the second parameter is passed to the constructor of Base2.
    Derived(int x, int y, int z) : Base1(x), Base2(y) {
        // The body of the constructor can use the third parameter 'z'.
    }
};

In this example, when creating an object of class Derived, you need to pass three arguments. The first argument is passed to the constructor of Base1, the second argument is passed to the constructor of Base2, and the third argument can be used in the constructor of Derived.

This is how you can pass arguments to base class constructors in multiple inheritance in C++.

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