A default constructor is a 0 argument constructor which contains a no-argument call to the super class constructor . To assign default values to the newly created objects is the main responsibility of default constructor.
Read moreWhat is a default constructor where is it used?
The default constructor is used to provide the default values to the object like 0, null, etc., depending on the type .
Read moreHow do you call a default constructor in Java?
You can’t call a default constructor once you’ve created a constructor that takes arguments. You’ll have to create the no argument constructor yourself in order to make a call from the parameterized constructor .
Read moreWhat do you mean by default constructor?
A default constructor is a constructor that either has no parameters, or if it has parameters, all the parameters have default values . If no user-defined constructor exists for a class A and one is needed, the compiler implicitly declares a default parameterless constructor A::A() .
Read moreWhat is the default constructor for a class Java?
Java’s Default Constructor The compiler automatically provides a no-argument , default constructor for any class without constructors. This default constructor will call the no-argument constructor of the superclass.25 Kas 2020
Read moreWhat is default constructor called Java?
A constructor is always called when constructing a new object, and a constructor of every superclass of the class is also called. If no constructor is explicitly called, the default constructor is called (which may or may not be declared).
Read moreWhat happens to default constructor in Java?
Java compiler automatically creates a default constructor (Constructor with no arguments) in case no constructor is present in the java class . Following are the motive behind a default constructor. Initialize all the instance variables of the class object.13 Ağu 2018
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