super() is used to call Base class’s constructor(i.e, Parent’s class) while this() is used to call current class’s constructor . super() is use to call Base class’s(Parent class’s) constructor. Flow of Program : In main, we have made a statement new Child(), so it calls the no argument constructor of Child class.
Read moreCan you use this in a constructor Java?
Within an instance method or a constructor, this is a reference to the current object — the object whose method or constructor is being called. You can refer to any member of the current object from within an instance method or a constructor by using this .
Read moreWhat is this () in Java?
The this keyword refers to the current object in a method or constructor . The most common use of the this keyword is to eliminate the confusion between class attributes and parameters with the same name (because a class attribute is shadowed by a method or constructor parameter).
Read moreWhy do we use Java constructor?
The purpose of a Java constructor is to initializes the newly created object before it is used . … Typically, the constructor initializes the fields of the object that need initialization. Java constructors can also take parameters, so fields can be initialized in the object at creation time.9 Mar 2021
Read moreWhat is constructor and class constructor?
The instance constructor is executed each time you create an object (instance) with the CREATE OBJECT statement, while the class constructor is executed exactly once before you first access a class . The constructors are always present.
Read moreWhat are the properties of constructors?
Characteristics of Constructors
Read moreWhat is the property of 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() .
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