Different Types of Inheritance in Java : Intro to Types of Inheritance in Java

Types of Inheritance in Java : Everything you need to Know

Java is a general purpose programming language, which, among others, provides support for types of inheritance in Java program. Among different types of inheritance in Java, the most basic types are Single and Multi-level inheritance. Inheriting objects from any object is called inheritance in Java. There are three types of inheritance in Java, namely, single-level inheritance, multi-level inheritance and hierarchical inheritance.

Types of inheritance in Java can be categorized into two main categories, namely, interface and multilevel types. Interface types of inheritance in Java can be classified into two main categories, namely, abstract types and concrete types. All types of inheritance in Java have their own advantages and drawbacks.

Java language makes use of types of inheritance in Java in various ways. Primarily, Java uses the classical type system of object-oriented programming, whereby inheritance is performed on specific instances. Another way through which inheritance is performed in Java is by code modeling, which consists of a hierarchy of methods and their names. With the help of interfaces, the programmer has the flexibility to specify the behavior of an instance of an object at different levels of abstraction. It also allows for the usage of abstract types of inheritance in Java.

Java programmers can write generic functions to create various types of inheritance in Java. For example, the Java compiler provides the facilities for the implementation of classes by the user. A class that can be derived from another one can be derived from a supertype. The Java standard library comes with a large number of generic types and the programmers can use these types to implement inheritance.

Java inherits many features of object-oriented programming languages, like classes, interfaces, closures, and templates. However, the major difference between inheritance in Java i.e. through interfaces and in Java i.e. through classes is that the former enables an instance to be used as if it was an abstract class, and the latter enables an instance to be used just like a regular class.

Classes and interfaces can be inherited from multiple inheritance in Java via a superclass. When a superclass is defined, all the subclasses inherit from it. Multiple inheritance in Java can be achieved through the use of a superclass factory. A factory creates an object which can be used to create superclasses and sublasses. Since every Java program has at least one superclass, the use of a factory is not mandatory. One can also create a superclass without a factory, by writing multiple methods.

There are two types of inheritance in Java namely, the public or internal, and private. In a public inheritance, all sub-class instances of an object are publicly available and accessible. An example of public inheritance in Java would be the Supertype in the Java standard library. A private inheritance, on the other hand, occurs when a member of the hierarchy is private and only certain code accesses it. An example of private inheritance in Java would be the Supertype defined by the Java standard library that is used to implement a static inner class expression.

Inheriting objects is fairly easy in Java because most of the built-in types allow for simple inheritance example. However, one should always remember that if any of the inherited object needs to be static or private, then it should be declared static or private before any other declarations. Inheriting more than one type is pretty easy as well, the most common example of this being the superclass and the base class in Java. The Java standard even defines a generic type called Object that can be used as the basis of inheritance in Java.

Also Read – What is Substring In Java

Understanding the Different Types of Inheritance in Java Programming

In earlier times, it was very difficult to find different types of inheritance in Java. Such a situation was created by the programmers when they wanted to have an object in their program that was derived from different types of inheritance in Java. It was difficult to implement in earlier times because the Java memory model was new and not used by the programmers before. When the programmers wanted to add a new derived class to the program, then they needed to create a new interface for the same and modify the public static variables. This situation was very troublesome because the programmer was required to change the code for each and every time he added a new class or object.

This is not so much the case with different types of inheritance in Java. The Java memory model provides facilities to provide different types of inheritance in Java. The main difference between an inherited and a non-inherited type in Java is that the inherited type creates a new and stronger type of object while the non-inherited one does not create a new strong or base class but rather modifies the existing one. Let’s see how different types of inheritance in Java work.

There are two different types of inheritance in Java i.e. single inheritance and multiple inheritance. Single inheritance is the simplest of all the different types of inheritance in Java and that is because there is only one responsibility associated with a single type. Single inheritance allows the programmer to deal with more than one type at the same time without the fear of a null pointer dereference.

Another feature of single inheritance in Java is the ability to implement interfaces. Interface is nothing but the abstract or internal representation of a class. There can be only one interface and hence there is only one method that needs to be called for executing the given task. The main advantage of interface in Java is that the programmer can safely rely on the generic representation of the classes rather than having to create an implementation of the classes as well. Moreover, the different types of inheritance in Java makes it easy to create a generic interface that can be implemented by any class.

Multiple inheritance in Java is also possible but not possible in the conventional manner, where you would have to create two classes and the various levels of the hierarchy need to be instantiated separately. For creating multiple copies of any object in Java, a use strict form of programming is required where you would have to specify the relationships among the different classes from their base class to the superclass and their superclass to their parent. Another significant aspect of the Java programming language is the usage of the superclass keywords which indicate the relationship of a Java object to other Java objects.

The Java programming language has several built in facilities to facilitate the programmers with different types of inheritance in Java. The Java platform automatically provides the required information on the different types of inheritance in Java. In fact, you may be wondering what types of inheritance are available in Java. Well, one of the types of inheritance in Java is the derived class feature. A derived class in Java is the fundamental construct that enables the programmers to define the interfaces and the classes directly. All the objects created as a result of the use of the derived classes are referred to as derived classes.

There is another important type of inheritance in Java programming language, which is the abstract inheritance. An abstract inheritance occurs when one or more objects do not need to have a specific specialized structure or functionality. However, the inherited object needs to have certain structural aspects defined so as to provide a certain degree of functionality or a specific functionality. The abstract inheritance in Java also allows for the possibility of multiple inheritance as well. The different types of inheritance in Java can be created by making use of the keywords supertype, superclass, instance, static, private, public and inherited. You can see all of them from the Java documentation.

Another important concept to understand the different types of inheritance in Java is the interface. The interface is a specified set of procedures and statements that defines the expected behavior of the various objects when they are used as an interface within a program. The Java platform supports different types of interfaces as well as the extension mechanism for creating new ones. The different types of interfaces in Java can be created with the help of different types of inheritance in Java such as, interfaces, base interfaces, abstract interfaces, structural interfaces, and derived interfaces. All these different types of inheritance in Java can be created in the Java programming language.

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