How are this() and super() used with constructors? Constructors use this to refer to another constructor in the same class with a different parameter list . Constructors use super to invoke the superclass’s constructor. If a constructor uses super, it must use it in the first line; otherwise, the compiler will complain.
Read moreDo you have to call super in constructor?
It is required if the parameterized constructor (a constructor that takes arguments) of the superclass has to be called from the subclass constructor . The parameterized super() must always be the first statement in the body of the constructor of the subclass, otherwise, we get a compilation error.
Read moreWhy super is called in constructor?
What happens if we call “super()” in a constructor without extending any class, in java? A super keyword is a reference of the superclass object in Java . Using this, you can invoke the instance methods constructors and, variables, of a superclass.2 Tem 2019
Read moreWhat is super () in constructor Java?
super() can be used to invoke immediate parent class constructor . 1) super is used to refer immediate parent class instance variable. We can use super keyword to access the data member or field of parent class. It is used if parent class and child class have same fields.
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