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Can we call a constructor from another constructor in C++?

Can we call a constructor from another constructor in C++?

No, you can’t call one constructor from another in C++03 (called a delegating constructor).

Can a constructor call another constructor of the same class?

Calling a constructor from the another constructor of same class is known as Constructor chaining. The real purpose of Constructor Chaining is that you can pass parameters through a bunch of different constructors, but only have the initialization done in a single place.

Can we have more than one constructor in a class in C++?

In C++, We can have more than one constructor in a class with same name, as long as each has a different list of arguments. This concept is known as Constructor Overloading and is quite similar to function overloading. A constructor is called depending upon the number and type of arguments passed.

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Can we pass parameters to base class constructor though derived class or derived class?

Explanation: Yes, we pass parameters to base class constructor though derived class or derived class constructor.

Can we create object of base class in C#?

In C#, both the base class and the derived class can have their own constructor. The constructor of a base class used to instantiate the objects of the base class and the constructor of the derived class used to instantiate the object of the derived class.

How do you call a constructor from a different class?

Yes, any number of constructors can be present in a class and they can be called by another constructor using this() [Please do not confuse this() constructor call with this keyword]. this() or this(args) should be the first line in the constructor. This is known as constructor overloading.

Can we overload the constructor?

Yes! Java supports constructor overloading. In constructor loading, we create multiple constructors with the same name but with different parameters types or with different no of parameters.

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Can a destructor be overloaded in C++?

Answer: No, we cannot overload a destructor of a class in C++ programming. Destructor in C++ neither takes any parameters nor does it return anything. So, multiple destructor with different signatures are not possible in a class. Hence, overloading is also not possible.

How to define constructors inside and outside a class?

Inside the constructor we set the attributes equal to the constructor parameters ( brand=x, etc). When we call the constructor (by creating an object of the class), we pass parameters to the constructor, which will set the value of the corresponding attributes to the same: Just like functions, constructors can also be defined outside the class.

What is constructor in C++ with example?

A constructor in C++ is a special method that is automatically called when an object of a class is created. To create a constructor, use the same name as the class, followed by parentheses (): Example. class MyClass { // The class public: // Access specifier MyClass() { // Constructor

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What are the parameters of a constructor?

Constructors can also take parameters (just like regular functions), which can be useful for setting initial values for attributes. The following class have brand, model and year attributes, and a constructor with different parameters.

Is it better to create an object in constructor or self?

The answer is depends. If you want to give access to the caller of the constructor you should receive that in constructor. If caller is not needed to provide that object, you create your self. That’s just matter of design. You are not at all creating new object, so it points to the same instance you passed.