Difference: implements means you are using the elements of a Java Interface in your class. extends means that you are creating a subclass of the base class you are extending . You can only extend one class in your child class, but you can implement as many interfaces as you would like.
Read moreWhat is extends in Java with example?
The extends keyword extends a class (indicates that a class is inherited from another class) . In Java, it is possible to inherit attributes and methods from one class to another. We group the “inheritance concept” into two categories: subclass (child) – the class that inherits from another class.
Read moreWhat does polymorphism in office mean?
In simplest term polymorphism in C++ is using one thing in many forms. The most common example is a human that perform different tasks at different places such as in office he/she is an employee, whereas in market he/she is a customer and in college or school a student.
Read moreWhat is a polymorphism reference?
A polymorphic reference is a variable that can refer to different types of objects at different points in time . It is typically compatible with the class that it refers to. For example, in the following case: Employee employee; The ’employee’ is a reference variable that may refer to an instance of the Employee class.19 Mar 2019
Read moreWhat do you mean by polymorphism?
Definition of polymorphism : the quality or state of existing in or assuming different forms : such as. a(1) : existence of a species in several forms independent of the variations of sex. (2) : existence of a gene in several allelic forms also : a variation in a specific DNA sequence.
Read moreWhat is polymorphism in Java and its types?
Polymorphism is the ability to process objects differently on the basis of their class and data types . There are two types of polymorphism in Java: compile time polymorphism and run time polymorphism in java. This java polymorphism is also referred to as static polymorphisms and dynamic polymorphisms.
Read moreWhat is polymorphism with an example?
In simple words, we can define polymorphism as the ability of a message to be displayed in more than one form . A real-life example of polymorphism, a person at the same time can have different characteristics. Like a man at the same time is a father, a husband, an employee.
Read more