Inheritance In Java With Example Programs


What Is an Object? As the name object-oriented implies, objects are key to understanding object-oriented technology. We have a complete explanation of Inheritance in Java so if you don't know what Inheritance in Java is then check this article out. This section covers the list of topics for C# programming examples. Josephus Problem – Create a program which links together various node objects and then every Nth object is removed until you have one object left. java training in chennai. In simple inheritance, a subclass or derived class derives the properties from its parent class, but in multilevel inheritance, a subclass is derived from a derived class. Clone via HTTPS Clone with Git or checkout with SVN using the repository's web address. Following article contains brief examples of C++ public inheritance. of() and Map. In the process of inheritance, one object can acquire the properties of another class. A total of five classes are required. Consider the following example. Originally called OAK, the Java language was designed for. It supports the concept of hierarchical classification. In simple words, Inheritance is an ability to obtain the same functionality with the existing classes. Inheritance is one of the basic features of object oriented programming. Java and Multiple Inheritance Multiple Inheritance is a feature of object oriented concept, where a class can inherit properties of more than one parent class. Hybrid inheritance is combination of both single inheritance and multiple inheritance. They are separated broadly by handout, but borders are necessarily blurred. Simple Program On Java for the implementation of Multiple inheritance using interfaces to calculate the area of a rectangle and triangle these example java programs. Since Java does not support multiple inheritance through the classes so the program source code for hybrid inheritance will be discussed when we will learn the interface chapter. But interfaces provide a good solution. I found one of the good resource related JAVA and OOPS concepts. Lets see the diagram representation of this: As you can see in the above diagram that when a class has more than one child classes (sub classes). More about Inheritance – in Java Language. For example, let's say a program has created multiple instances of the Man and Woman objects. Example of hybrid inheritance program in java? This is the scenario wherein your java code exhibits traits of more than one of the inheritance types: Public class FerrariF12011 extends Ferrari. Refer to Handout #2 for help with the UML syntax. Inheritance. 3 Explain the structure of Java program. Student information management abstract - Java pro Super market billing system abstract - Java progra Call by reference example - Java; Object reference example - Java; Intro to C++; Simple java program using inheritance; What is Java ? Hackerrank Soluntions: Java Stdin and Stdout II; Java project ideas 2016! HACKERRANK SOLUTIONS: JAVA IF. the Java programming language) Inheritance is one of the key principles that is beneficial to use in the design of any software application. ), or writing data to some destination (another file, the screen, etc. This tutorial shows how to avoid broken code from the inheritance method in Java, by either removing the setters or constructers methods in the parent class. Your valuable input will help us improve this site please give your comments. In this tutorial, we will learn the different types of practical inheritance example program in Java with the explanation. Introduction This tutorial explains how to use Java 9 Collections’ new factory methods for creating immutable collection instances with examples to show their usage. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere. Most programs use stacks implicitly because they support a natural way to implement function calls, as follows: at any point during the execution of a function, define its state to be the values of all of its variables and a pointer to the next instruction to be executed. The inheritance which we have seen till now is single inheritance where a class extends a single super class. If you wish to learn how to program with java, you will need to know these concepts. Hierarchical Inheritance Program in Java? I am trying to write a Java program to create a set of classes (Circle, Rectangle, Square) and create a different object for the different shapes and display the area of each shape. Example about inheritance in C#. In this example, you can observe two classes namely Calculation and My_Calculation. In other words, package is set of programs by types which help to organize properly. Java is an object-oriented programming language with a built-in application programming interface (API) that can handle graphics and user interfaces and that can be used to create applications or applets. Java program to display student result using class Java program to use interface to add and subtract Java Program to implement Static and Dynamic Stack Java Program to Calculate Salary of an Employee us Java program to create an array of objects to acce Java program to add and multiply two matrices usin. Java is an Object-Oriented Programming Language (NOTE that it is not pure OOP language as it supports primitive data types such as int, float, double etc. As child inherit some properties or behaviors from parents, similarly in inheritance (OOP Concept) a child class can inherit properties and methods from parent class. Below given is an example demonstrating Java inheritance. Java program to implement single inheritance; Java program to animated text or moving text; Java program to illustrate menubar with the help o Java program to create login form using applet; Java program to print fibonacci series upto a give Java program to illustrate exception handling; Java program to find distance between two points i. Multilevel Inheritance in Java Example by Dinesh Thakur Category: Inheritance In Our Example illustrates Multilevel Inheritance, Here Class B is derived from superclass A which itself acts as a superclass for the subclass C. When you inherit from an existing class, you reuse (or inherit) its methods and fields and you add new methods and fields to adapt your new class to new situations. It is an alternative to multiple inheritance and solves the problem of knowing which parent will be called because we need to implement those inherited methods (since the interface provides only method signatures). Java uses Interface to implement multiple inheritance. Inheritance is one of the key features of OOP (Object-oriented Programming) that allows us to define a new class from an existing class. Inheritance makes a relationship between the two classes : Parent and Child. This is a bit over my java experience and would greatly appreciated some guidance. List> Thanks. Inheritance in Java Inheritance is one of the feature of Object-Oriented Programming (OOPs). If we want the program to work with any length of word, there is no straightforward way of performing this task. This object oriented concepts also has been extended to the Java programming language and the. For example, we can mix multilevel and hierarchical inheritance etc. When a Class extends another class it inherits all non-private members including fields and methods. The following kinds of inheritance are there in java. Today's article will focus on understanding some key programming concepts in Java. Java program to display student result using class Java program to use interface to add and subtract Java Program to implement Static and Dynamic Stack Java Program to Calculate Salary of an Employee us Java program to create an array of objects to acce Java program to add and multiply two matrices usin. 2 Your First Program in Java: Printing a Line of Text 38. The child class is said to be derived from the parent class. At some point, every programmer needs to deal with reading data from some source (a file, the keyboard, a URL, etc. BlueJ is a Java™ development environment specifically designed for teaching at an introductory level. Multiple inheritance in java is the capability of creating a single class with multiple superclasses. This article explains about Superclass and Subclass concept or inheritance in java with examples. In Java, inheritance showcases the IS-A relationship, i. The problem occurs when there exist methods with same signature in both the super classes and subclass. parent child relationship. Object class. In this tutorial, we will learn the different types of practical inheritance example program in Java with the explanation. For example when class A and B extends class C & another class D extends class A then this is a hybrid inheritance, because it is a combination of single and hierarchical inheritance. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere. Single inheritance is the most simplest type of inheritance in java. Java and Multiple Inheritance Multiple Inheritance is a feature of object oriented concept, where a class can inherit properties of more than one parent class. We group the "inheritance concept" into two categories: subclass (child) - the class that inherits from another class; superclass (parent) - the class being inherited from; To inherit from a class, use the extends keyword. The class which inherits the properties of another class is called Derived or Child or Sub class and the class whose properties are inherited is called Base or Parent or Super class. Java Interfaces are blueprint like class but will have only method declaration. In c#, Inheritance is a one of the primary concept of object oriented programming (OOP) and it is used to inherit the properties from one class (base) to another (child) class. Java instanceof interface example. Those classes are defined with the final keyword. Repeat using recursion and name your program DirectoryR. All Inheritance in Java with example programs PDF are in Java 11, so it may change on different from Java 9 or 10 or upgraded versions. If we want the program to work with any length of word, there is no straightforward way of performing this task. Spring allows to inherit all these bean properties. An example of inheritance and polymorphism in Java - AnimalDemo. Spring bean inheritance configuration. For example, Apple is a Fruit, Car is a Vehicle etc. 1 Inheritance in Java 1. Since there is no Java lecture course, I have included some Java questions that pick up on points in the ticks. In simple inheritance, a subclass or derived class derives the properties from its parent class, but in multilevel inheritance, a subclass is derived from a derived class. Inheritance in java is one of the core concepts of Object Oriented Programming. Inheritance with Interface provides same job of multiple inheritance. We know that in multiple inheritance, sub classes are derived from multiple super classes. A great and concise guide to what’s new in Java8, with plenty of examples to get you going in a hurry. lang Object Number String Long FloatInteger Double 4 Other terms from inheritance Super class/type Derived class Subtype 5 //Person. Inheritance concept in Java Description: Inheritance is one of the most-used features of Object-Oriented Programming. +Classes + Objects + Inheritance + Methods+ State Issues with inheritance, C# Inheritance in java question. Follow this tutorial to understand the principles of object oriented programming and write reusable and clean code. Welcome to the advanced Java programming tutorials section of the site! Is it not entirely necessary to know this material to program in Java. Explaining Inheritance in java using Bank Accounts Example This entry was posted on July 5, 2012, in java and tagged Bank Accounts , Inheritance , java. Your polymorphism example is merely method overloading and that's not actually what the Object Oriented folks mean by polymorphism. Java is Object Oriented Programming and it implements Object oriented programming by Inheritance. This tutorial shows how to avoid broken code from the inheritance method in Java, by either removing the setters or constructers methods in the parent class. Inheritance by definition means to aquire the properties / state and behaviour of an other class. Peggy Fisher explores command-level programming, basic techniques such as managing loops and creating methods, debugging Java code, working with classes and objects, and storing and sorting arrays. Inheritance is an Object Oriented Programming(OOP) concept. Good use of inheritance is critical to developing effective object-oriented solutions. Multi-level inheritance can be considered as a addon to single inheritance as in this type we have more than one level of inheritance (shown in the diagram below). Inheritance Example in Java. Consistency in using an interface Classes Superclass(Base Class) Subclass(Child Class) It is a class from which other classes can be derived. To make things easy, I named the parent class Parent, and the child class which inherits from the Parent class is named Child:. Pada tutorial ini kita akan belajar: Kenapa kita harus menggunakan inheritance? Contoh Program inheritance; Method Overriding; Mari kita mulai…. This Object class is the root of the class hierarchy. Java Programming Tutorial, learn Java programming, Java aptitude question answers, Java interview questions with answers, Java programs, find all basic as well as complex Java programs with output and proper explanation making Java language easy and interesting for you to learn. In Java, classes may inherit or acquire the properties and methods of other classes. (a) Define class Rectangle by inheriting from class Point. Unlike some other popular object oriented programming languages like C++, java doesn't provide support for multiple inheritance in classes. It first shows an example of inheritance, and then shows how to improve the inheritance design by using composition. To make things easy, I named the parent class Parent, and the child class which inherits from the Parent class is named Child:. Examples of text editors you can use are notepad, vi, emacs, etc. Those classes are defined with the final keyword. It will also explain how one class can be derived from another with the help of simple syntax as suggested by the Java programming language. Inheritance is also known as parent-child relationship or IS-A relationship. Your valuable input will help us improve this site please give your comments. Following article contains brief examples of C++ public inheritance. Now let's start java inheritance questions and answers for core java interviews. The attack() method of Insect invokes move() method. In conclusion, discuss examples of Java Implements and Java extends with a difference between Java Extends vs Implements. java" into Java portable bytecode (or machine code) "Xxx. Java Reference and Examples with Casting, Primitives, JSPs, Servlets, Applets, Applications, JMS, Arrays, and more!. Below given is an example demonstrating Java inheritance. Why no multiple inheritance in Java through classes Multiple inheritance by extending several classes is one feature omitted in the Java language as the designers of the Java language opined that multiple inheritance is a confusing feature and it causes more problems than it solves. When more than one classes inherit a same class then this is called hierarchical inheritance. Multiple inheritance is not allowed in Java, a class can extend at most one super class. Object-Oriented Programming: Inheritance. Josephus Problem – Create a program which links together various node objects and then every Nth object is removed until you have one object left. Multiple Inheritance Example c# The following example program in c# implements multiple inheritance in. Interface Inheritance Java Program. Inheritance (IS-A) Inheritance is one of the key features of Object Oriented Programming. This tutorial is an introduction to using the BlueJ programming environment. The class which inherits the properties of another class is called Derived or Child or Sub class and the class whose properties are inherited is called Base or Parent or Super class. Inheritance - Tutorials for Java Language with examples. When multiple classes are involved and their parent-child relation is formed in a chained way then such formation is known as multi-level inheritance. View Write a Java program to demonstrate the use of inheritance, polym. Furthermore, we talk about the super keyword, constructor chaining, class constants, inheritance, final classes, and private constructors. In Object Oriented programming (i. How to use inheritance in a sentence. 1 Java Inheritance Example. (A child can have only one parent) A Parent class can be inherited by multiple Child classes. In this java tutorial, we will understand the working of single inheritance in java with a program example. It supports the concept of hierarchical classification. The Java programming language was developed by a small team of engineers, known as the Green Team, who initiated the language in 1991. When one class can access all the properties and characteristics of another class, it is known as inheritance. All code examples are available for download. Here’s a Simple C++ Program to find Area of Rectangle using inheritance in C++ Programming Language. When the subclass calls super. e one Parent class has many sub classes. Online Java OOPs programs and examples with solutions, explanation and output for computer science and information technology students pursuing BE, BTech, MCA, MTech, MCS, MSc, BCA, BSc. In the above example, QA object can access the properties of its own as well as Employee class. I have successfully compiled and tested the programs under Visual Studio Dot Net. The inheritance will enable us to create a new class by inheriting the properties from other classes to reuse, extend and modify the behaviour of other class members. Child class can reuse the properties and behavior of parent class and child class can also add a personal methods. com, we won't encourage audio ads, popups or any other annoyances at any point, hope you support us :-) Thank you. Inheritance is one of the most crucial concepts in object-oriented programming, and it has a very direct effect on how you design and write your Java classes. INHERITANCE (PEWARISAN) Konsep inheritance atau pewarisan ini mengadopsi dunia nyata dimana sebuah objek dapat mewariskan sifat pada turunannya. 14 Wrap-Up 32 2 Introduction to Java Applications 37 2. The child class can also define methods of its own if required. Inheritance in Java is the process where one object or class acquires all the states (or properties) and behaviour of another object/class. Example of multiple inheritance(not supported in java) class Vehicle { } class Car { } class Truck extends Vehicle, Car { } In the above example class Truck tries to occur the property of both Vehicle and Car Which makes the code to fail at compilation in java. In object-oriented programming (OOP), Inheritance allows reusing of software by extending an existing class members. Entire courses in computer science are devoted to extolling OOPs many virtues and we will not have space to mention them all here. These basic input and output capabilities (I/O) are used in most real-world programs. But remember java allows single inheritance i. The inheritance which we have seen till now is single inheritance where a class extends a single super class. Inheritance - The complete C# Tutorial. Java does not support the ability for one class to extend more than one other class. Try Free Demo Try Free Demo Core Java Java Live Class Java Live Class Core Java. If you find any difficulty in understanding the following example then refer this guide: Java - Inheritance. For example class C extends both classes A and B. Inheritance is a concept in which you define parent classes and child classes. Many students find their initial exposure to Eclipse to be a bit daunting--Eclipse is a professional code development environment, so there's a lot there!. In this tutorial of Java programming, we will see the different types of inheritance in Java. Before we construct an example of inheritance within Java, we first need to set the stage with the following Programming Example. These are: inheritance include polymorphism, interface and abstract class. Inheritance : – It is allows a class to inherit the properties of another class. Welcome to the world of Java examples, organized by categories and Java packages. java training in chennai. What is Inheritance. It can inherit its general attributes from its parent class. The output of this process is a file of Java bytecodes with the file extension. Inheritance - The complete C# Tutorial. This tutorial shows how to avoid broken code from the inheritance method in Java, by either removing the setters or constructers methods in the parent class. Important Note: Class implements interface but an interface extends another interface. I hope the example classes are made clear enough to understand my intention. Each type of employee extends a common base class Employee and has the methods getHours, getSalary, getVacationDays, and getVacationForm. This means that we can call the toString() method inherited from java. Copy and paste the following program in a file with name My_Calculation. Every example program includes the description of the program, C# code as well as output of the program. This part of the Java tutorial is an introduction to object-oriented programming in Java. For example, Apple is a Fruit, Car is a Vehicle etc. Syntax : class Parent { // Parent class properties, i. It is a computer base education. 9 Java and a Typical Java Development Environment 18 1. Now let's start java inheritance questions and answers for core java interviews. The inheritance which we have seen till now is single inheritance where a class extends a single super class. Some classes can't be inherited. Entire courses in computer science are devoted to extolling OOPs many virtues and we will not have space to mention them all here. The class whose states and behaviours is being acquired is known as the parent class or superclass, while the one that inherits is called the subclass. Multiple Inheritance: refers to the concept of one class extending more than one classes, which means a child class has two parent classes. If a variable is set to the public it can be accessed from any class available in the Java world. Interfaces and Inheritance. What is the use of Inheritance in Java? Examples where you used the concept of Inheritance in your project? Inheritance: Code reuse using subclass and super class relationship. Deep dive in to Java classes to understand these concepts. all sub classes can have only one super class. 1 Java Inheritance Example. Simple Inheritance; Multilevel Inheritance. JavaScript does not support multiple inheritance. Multilevel Inheritance in Java. Inheritance is one of the compile-time mechanism in the Object Oriented Programming language like Java, that enables you to organize classes in a hierarchical form. IMPLEMENTATION OF INHERITANCE IN JAVA AND C#. A Java class can implement multiple Java Interfaces. Inheritance is a basic object oriented feature in which one class acquires and extends upon the properties of another class, using the keyword extends. Java Inheritance is one of the most important features of object-oriented programming, that makes it very useful. So I am finding for the multilevel inheritance topic in java online. It is an important part of OOPs (Object Oriented programming system). Inheritance is one of the most crucial concepts in object-oriented programming, and it has a very direct effect on how you design and write your Java classes. It cannot be instantiated just like abstract class. Inheritance is a concept in which you define parent classes and child classes. lang includes the Object class, the foundation of all user defined (and many Java defined. Any Method in any Class can access the given variable v ia Inheritance or Direct access. This file is stored in a disk file with the extension. Associative arrays, looping, and JScript. This example demonstrates the usage of inheritance in Java programming language. Inheritance is the OOP ability that allows Java classes to be derived from other classes. It helps in reusing the code and establishes a relationship between different classes. As shown in block diagram class B is derived from class A which is single inheritance and then Class D is inherited from B and class C which is multiple inheritance. In the Java programming language, each class is allowed to have one direct superclass, and each superclass has the potential for an unlimited number of subclasses: A hierarchy of bicycle classes. Inheritance is a feature of object oriented programming system, by which a class can inherit the commonly used properties/features of another classes. Benefits of Java's Inheritance 1. Java Training and Tutorials. C++ Ambiguity in multiple inheritance Posted on November 13, 2016 by admin In multiple inheritance, there may be possibility that a class may inherit member functions with same name from two or more base classes and the derived class may not have functions with same name as those of its base classes. To fix the problem, we can: eliminate the subclass's attack() method. Horstmann and Gary Cornell explain inheritance, which allows you to create new classes that are built on existing classes. They mean how you can have a interface that exposes a method, and the various classes that implement that interface can implement the method to have different behaviors. Please note that during inheritance only object of subclass is created,. As the Child class has to manage the dependency of more than one Parent class. In todays post we will talk about Inheritance in Java. People come to this course with many different goals -- and we are really. In this section you will get solved c++ programs using inheritance: simple inheritance, multiple inheritance, multilevel inheritance, hybrid inheritance, hierarchical inheritance. This java program uses Hierarchical inheritance and is useful to Calculate Salary of Full Time or Part Time Employee who works in a Company. java [java] public class Base. Inheritance in nothing just a concept that helps us to inherit features of the class. Java supports class reuse through inheritance and composition. We know that in multiple inheritance, sub classes are derived from multiple super classes. Inheritance in Java with Example Programs. Studying Object and its methods will help you gain a more functional understanding of inheritance and how it works in your Java programs. Inheritance is the way of re-usability of code. •Java only supports single inheritance. inheritance is one of the oops concepts in java. Those classes are defined with the final keyword. A Java class can implement multiple Java Interfaces. Polymorphism is very powerful in OOP to separate the interface and implementation so as to allow the programmer to program at the interface in the design of a complex system. The syntax for declaring interface is given below:. Example of Hierarchical Inheritance. Object oriented languages use class inheritance as the fundamental tool for code reuse. The classes Account and CheckingAccount both implement this interface. Inheritance in Java Programming Inheritance. In object-oriented programming (OOP), Inheritance allows reusing of software by extending an existing class members. For example, all Java objects are inherited from the java. Let's take a look first at inheritance. Learn to code in Java and improve your programming and problem-solving skills. With the help of inheritance it is possible to form new classes using already defined and more generalized ones. java class Calculation. One problem that adds complexity to previous efforts is the need to pass a. It also enables a derived class to call the parent class implementation for a specific method if this method is overridden in the derived class or the parent class constructor. This detail can cause you no end of grief as you gain proficiency in Java programming. In this chapter you will understand Inheritance in simple and easy language with real world example. Object Oriented Programming (or OOP) may be classified by three main principles. It’s a great first language for any aspiring programmer, so whether you want to program Android apps, web apps, or simply learn the foundational skills that all programmers use, this course is a great place to start!. Single inheritance is just a parent and child class relationship. Inheritance in C++ Example | C++ Inheritance Tutorial os today's topic. Inheritance in java with example program code : Inheritance is a way to implement IS-A relationship i. Inheritance in JAVA PPT 1. Here is a simple program to illustrate the concept of hybrid. But mostly, you have been doing object. Why Use Inheritance in Java Method overriding (so runtime polymorphism can be obtained) : When there is a single name of a method in the sub class, the same type of logic and the same type of signature is known as a method in its super class, then the method is known as the overridden method. When creating a new class, you may want the new class to inherit the properties and members of an existing class instead of implementing same proprieties and members again in the new class. Following simple code example explains the inheritance concepts in Java programming. Inheritance in java (IS-A relationship) is referred to the ability where child objects inherit or acquire all the properties and behaviors from parent object. We will see this in Interface section. There are even more reasons for why using Java inheritance is powerful, but we won't go into those reasons in this tutorial. In some cases, the accessibility modifiers can limit the availability of base class members in the derived class, but we will cover that issue later. you will walk through object-oriented programming by example; learning to use a simple object, examining the definition, extending the definition, and then designing your own object. Inheritance is an OOPS (Object Oriented Programming) concept, which allows a subclass to extend a parent class, inheriting some of its features. Java Inheritance is used when we have is-a relationship between objects. We can achieve hybrid inheritance through interfaces. In this Java Example PDF we have discussed about java basic programs and some objects oriented example, Java inheritance example, Java this example etc. Inheritance in Java with Example Programs. java class Calculation. Java is Object Oriented Programming and it implements Object oriented programming by Inheritance. java - characteristics common to all. The class that wants to inherit the feature of another class is called subclass, whereas the class whose features are to be inherited is referred to as superclass. These are: inheritance include polymorphism, interface and abstract class. What is Inheritance in C#? Inheritance is an important concept in C#. Inheritance makes a relationship between the two classes : Parent and Child. We have a complete explanation of Inheritance in Java so if you don’t know what Inheritance in Java is then check this article out. This mechanism is known as inheritance. Notice that Car. Entire courses in computer science are devoted to extolling OOPs many virtues and we will not have space to mention them all here. Deitel and Deitel and Associates Staff (2003, Paperback) at the best online prices at eBay!. Inheritance in Java with Example Programs. Example when they press D9 it will return a type of candy bar which is an instance of Mr GoodBar. You can do this in JS by making the virtual class an object instead of a function. For example, a car Class can inherit some properties from a general vehicle Class. This program will help you to learn how to use Inheritance object oriented concept in your Java code. Suppose that you have a flower class in which you create the qualities of a flower like color, smell, type etc. Let’s discuss it in more detail with the help of some examples below. (A child can have only one parent) A Parent class can be inherited by multiple Child classes. As the name suggests, inheritance means to take something that is already made. When you inherit methods and properties from an existing class, you can reuse the methods and fields of a parent class. For the next several exercises you will add classes to this inheritance hierarchy. Inheritance in Java is the process where one object or class acquires all the states (or properties) and behaviour of another object/class. In this chapter you will understand Inheritance in simple and easy language with real world example. This is a complete an in-depth core Java Tutorial for beginners. Lab 1 Inheritance Lab Exercises In this lab we'll look at some of the basics of inheritance in Java. Welcome to the beginwithjava. These are: inheritance include polymorphism, interface and abstract class. But interfaces provide a good solution. Hybrid inheritance in java with example and simple program - In hybrid inheritance, we use mixed of different types of inheritance relationship in java program. This Complete Beginners Java Tutorial Course get you up and running and will give you the skills you need to master the Java programming language. The Inheritance is a process of obtaining the data members and methods from one class to another class, plus can have its own is known as inheritance. When a class extends all the properties of another class it means that class inherits all non-private variables including methods and fields. To achieve multiple inheritance in Java you have to use interface. As shown in block diagram class B is derived from class A which is single inheritance and then Class D is inherited from B and class C which is multiple inheritance. Inheritance is when an object or class is based on another object or class, using the same implementation specifying implementation to maintain the same behavior. Spring bean inheritance configuration. The interface in Java is a mechanism to achieve abstraction. Inheritance in Java is the process where one object or class acquires all the states (or properties) and behaviour of another object/class. Inheritance is one of the basic building blocks of OO programs. Java Programming questions and answers with explanation for interview, competitive examination and entrance test. {2 Programs} is my own program and for reference refer java tutorial about interface AND INHERITANCE. Step 2: Compile the source code "Xxx.