It is possible for a class to have no constructor . (An important distinction to draw here is that the JVM does not require all class files to have a constructor; however, any class defined in Java does have a default constructor if a constructor is not explicitly declared.
Read moreWhat happens if you don’t create a constructor for a class C++?
In C++, the compiler creates a default constructor if we don’t define our own constructor. In C++, compiler created default constructor has an empty body, i.e., it doesn’t assign default values to data members.
Read moreCan C++ class have no constructor?
If your class has no constructors, C++ will automatically generate a public default constructor for you . This is sometimes called an implicit constructor (or implicitly generated constructor). The Date class has no constructors.5 Eyl 2007
Read moreIs it mandatory to use constructor in a class C++?
Answer: C++ Empty constructor necessity depends upon class design requirements . We know that C++ class constructor is called when we create an object of a class. If a class is not required to initialize its data member or does not contain data member, there is no need to write empty constructor explicitly.10 Eki 2016
Read moreIs a constructor mandatory for a class?
Users do not need to write constructors for every class . A constructor can be declared using any of the access modifiers. It is mandatory to have a constructor with the right access modifier. However, the compiler supplies a default if an access modifier is not defined in the class and a constructor is not declared.
Read moreIs it mandatory to use constructor in a class?
Users do not need to write constructors for every class. A constructor can be declared using any of the access modifiers. It is mandatory to have a constructor with the right access modifier . However, the compiler supplies a default if an access modifier is not defined in the class and a constructor is not declared.
Read moreIs it mandatory to use constructor in a class?
Users do not need to write constructors for every class. A constructor can be declared using any of the access modifiers. It is mandatory to have a constructor with the right access modifier . However, the compiler supplies a default if an access modifier is not defined in the class and a constructor is not declared.
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