The main use of constructors is to initialize the private fields of the class while creating an instance for the class . When you have not created a constructor in the class, the compiler will automatically create a default constructor of the class.
Read moreWhat does super () do in Java?
The super() in Java is a reference variable that is used to refer parent class constructors . super can be used to call parent class’ variables and methods. super() can be used to call parent class’ constructors only.
Read moreIs super () necessary Java?
Calling exactly super() is always redundant . It’s explicitly doing what would be implicitly done otherwise. That’s because if you omit a call to the super constructor, the no-argument super constructor will be invoked automatically anyway.
Read moreHow does super constructor work in Java?
super() calls the parent constructor with no arguments . It can be used also with arguments. I.e. super(argument1) and it will call the constructor that accepts 1 parameter of the type of argument1 (if exists).
Read moreDoes Java call super constructor automatically?
Automatic insertion of super class constructor call When an object is created, it’s necessary to call the constructors of all super classes to initialize their fields. Java does this automatically at the beginning if you don’t .
Read moreCan we inherit constructor of superclass in Java?
Superclass constructor CAN’T be inherited in extended class .23 Şub 2010
Read moreDoes a superclass need a constructor?
A subclass needs a constructor if the superclass does not have a default constructor (or has one that is not accessible to the subclass). If the subclass has no constructor at all, the compiler will automatically create a public constructor that simply calls through to the default constructor of the superclass.
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