We can use super() as well this() only once inside constructor . If we use super() twice or this() twice or super() followed by this() or this() followed by super(), then immediately we get compile time error i.e, we can use either super() or this() as first statement inside constructor and not both.
Read moreWhat is the use of super constructor 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 moreWhy do we use super function?
The super() function is used to give access to methods and properties of a parent or sibling class . The super() function returns an object that represents the parent class.
Read moreCan you use super in a constructor Java?
In Java, the superclass constructor can be called from the first line of a subclass constructor by using the special keyword super() and passing appropriate parameters , for example super(); or super(theName); as in the code below.
Read moreWhat is superclass with example?
A superclass is the class from which many subclasses can be created . The subclasses inherit the characteristics of a superclass. The superclass is also known as the parent class or base class. In the above example, Vehicle is the Superclass and its subclasses are Car, Truck and Motorcycle.
Read moreWhat is a superclass of?
Definition of superclass : a category in biological classification ranking below a phylum or division and above a class .
Read moreWhat is the difference between superclass and subclass in Java?
The key difference between the Superclass and Subclass is that Superclass is the existing class from which the new classes are derived while Subclass is the new class that inherits the properties and methods of the Superclass .
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