Java constructor ne işe yarar

this() can be used to invoke current class constructor . this can be passed as an argument in the method call. this can be passed as argument in the constructor call. this can be used to return the current class instance from the method.

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.

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 .

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).