Look at the below figure to understand the Is-A relationship in java.Ī car is a type of Vehicle, so inheritance hierarchy might begin from the Vehicle class as follows: public class Vehicle Let’s take one more example to understand Is-A relationship better. The Java compiler will treat the above code like this: Hence, we can say that an object class is the superclass of every class. So, every class acquires its properties from the object class. In the real world, a child inherits the features of its parents such as beauty of mother and intelligence of father as shown in the below figure. Realtime Example of Inheritance in Javaġ. Let us take real-time examples to understand the concept of inheritance. The child class inherits data and behavior from the parent class. The existing class is called parent class (a more general class) and the new class is called child class (a more specialized class). In other words, inheritance is a process by which a child class acquires all the properties and behaviors of the parent class. The technique of creating a new class by using an existing class functionality is called inheritance in Java. In this tutorial, we will understand the basics of inheritance in Java with real-time example, as well as Is-A relationship, creating superclasses and subclasses, uses, and advantages. This relationship is known as parent-child relationship in Java. It does this by allowing the programmer to build a relationship between a new class and an existing class and define a new code in terms of existing code. Thereby, the programmer can reduce the code duplication. Java Inheritance provides a reusability mechanism in object-oriented programming for the programmers to reuse the existing code within the new applications. This powerful feature allows to one class to inherit the properties and behaviours of another class. Inheritance is a technique of organizing information in a hierarchical form. In other words, it is one of the main four pillars (core concepts) of OOPs (object-oriented programming system) in Java. Inheritance is a powerful object-oriented programming feature offered by Java.
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