Child class is the class that inherits from another class , also called derived class.
Read moreWhat is class hierarchy and example?
A class hierarchy or inheritance tree in computer science is a classification of object types, denoting objects as the instantiations of classes (class is like a blueprint, the object is what is built from that blueprint) inter-relating the various classes by relationships such as “inherits”, “extends”, “is an …
Read moreWhich class is highest in hierarchy in Java?
The class at the top of the exception class hierarchy is the Throwable class , which is a direct subclass of the Object class.
Read moreWhat is base class in Java?
Object class is the super base class of all Java classes. Every other Java classes descends from Object.
Read moreWhat is base class and derived class with example?
Inheritance enables you to create new classes that reuse, extend, and modify the behavior defined in other classes. The class whose members are inherited is called the base class, and the class that inherits those members is called the derived class . A derived class can have only one direct base class.
Read moreWhat is the base object in Java?
The Object class is the parent class of all the classes in java by default . In other words, it is the topmost class of java. The Object class is beneficial if you want to refer any object whose type you don’t know. Notice that parent class reference variable can refer the child class object, know as upcasting.
Read moreWhy super class is used in Java?
The super keyword in Java is a reference variable which is used to refer immediate parent class object . Whenever you create the instance of subclass, an instance of parent class is created implicitly which is referred by super reference variable. 1. super can be used to refer immediate parent class instance variable.
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