Java’da this Anahtar Kelimesi ve Kullanımı
Read moreCan this and super be used in methods?
super can be used to call parent class’ variables and methods . super() can be used to call parent class’ constructors only.
Read moreCan this be used in a constructor?
From within a constructor, you can also use the this keyword to call another constructor in the same class . Doing so is called an explicit constructor invocation.
Read moreCan we use this () and super () in a method in Java?
super keyword is used to access methods of the parent class while this is used to access methods of the current class . this is a reserved keyword in java i.e, we can’t use it as an identifier. this is used to refer current-class’s instance as well as static members.
Read moreIs it necessary to call super ()?
There is an implicit call to super() with no arguments for all classes that have a parent – which is every user defined class in Java – so calling it explicitly is usually not required . However, you may use the call to super() with arguments if the parent’s constructor takes parameters, and you wish to specify them.
Read moreWhat happens if we don’t use constructor for a class?
No-argument constructor If we don’t define a constructor in a class, then the compiler creates a default constructor(with no arguments) for the class .
Read moreWhat is the purpose of super ()?
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.
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