The reason is that “Constructor call must be the first statement in a constructor”.
Read moreShould be the first statement in the constructor?
The Eclipse compiler says “Constructor call must be the first statement in a constructor”. So, it is not stopping you from executing logic before the call to super . It is just stopping you from executing logic that you can’t fit into a single expression. There are similar rules for calling this().11 Tem 2019
Read moreWhy super is called first in constructor?
Actually, super() is the first statement of a constructor because to make sure its superclass is fully-formed before the subclass being constructed . Even if you don’t have super() in your first statement, the compiler will add it for you!12 Mar 2017
Read moreShould super be the first line in constructor?
Subclass Constructors Invocation of a superclass constructor must be the first line in the subclass constructor. super(); … Object does have such a constructor, so if Object is the only superclass, there is no problem.
Read moreDoes Super have to be the first line in a constructor?
Historically, this() or super() must be first in a constructor . This restriction was never popular, and perceived as arbitrary. There were a number of subtle reasons, including the verification of invokespecial, that contributed to this restriction.12 Mar 2017
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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