Explanation of Object-Oriented Programming in Java. why it is called so even though it has primitive datatypes and also it doesnot support multiple inheritance completely. The primitive data types like int, char, float, bool, etc must not be supported by a Purely Object-Oriented Language. If you compare Java to, say, Ruby, everything in Ruby is an object, even its primitives. it only supports in the case of interfaces but not in the case of classes. This differs from the more common meaning of "pure" object-oriented (everything is an object) in that Java has primitive types and primitive operations on them - int, char, double, float, long and addition, subtraction, multiplication, division. Learn: why java is not so pure object oriented language?Why java is not 100 % pure object oriented language? then why it is called pure object oriented. All moot because it isn't a "pure" OO language. Good question. That's why Java is not a pure object-oriented language. No it isn't. The Java Programming Language is based on Object-Oriented Programming Methodology or Paradigm that has different kinds of concepts such as Classes, Objects, Inheritance, Polymorphism, Encapsulation, and Abstraction which can be described as below:. In Java, we treat predefined data types as non-objects but the primitive data types in Java are treated as objects in Smalltalk. Fully Object Oriented Language A language is called FULLY object oriented if it contains all the fundamental features of object oriented programming and it … Submitted by Preeti Jain, on February 02, 2018 . ex: JAVA is not a 'Pure Object Oriented Language' as in contains Primitive Data Types (int, long, double) and wrapper class. Well, no. Java is called a "pure" object-oriented language because it requires that all code written in it be wrapped in objects. This means it also violates #6. i know that java is called as pure object oriented language. At first,according to Balaguruswamy,Java is purely object-oriented programming language,but the answer for your question can be :If ur method is static,then no need to create the object of the corresponding class to call the static method,so in this case,Java is not 100% object-oriented programming language. Java language is not a pure Object-Oriented Language because it has the following properties: 1. If you want to learn more about Object-Oriented Design in Java, you can further check out Java Fundamentals: Object-oriented Design course on Pluralsight, it's free for one month in April, make most of that time to go through this course. Why are we still using Java for object oriented programming? Object-oreineted programming is a programming model which is based on representing things as "objects" which can have associated data and functions to operate on the data. (i.e. 5993,why java is not pure object oriented language tutorial, question, answer, example, Java, JavaScript, SQL, C, Android, Interview, Quiz, ajax, html Java is called a "pure" object-oriented language because it requires that all code written in it be wrapped in objects. This is supported by most modern languages (Java, C++, C#, Python, etc). An example of a purely Object-Oriented Language is Smalltalk, it is unlike C++ and Java. A language that supports or has features to treat everything inside the program as objects can be called a Purely Object-Oriented Language, Fully Object-Oriented Language or Completely Object-Oriented Language. OO is about objects, not classes, that's why it's called OO and not CO. And you can have objects in Java: two instances of the same interface can not inspect each other's representation, so instances of interfaces are objects and interfaces describe objects. I will modify the question a bit for my discussion here. 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