The correct answer to the question “Which of the following is not OOPS concept in Java” is option (d). Because there are 4 OOPS concepts in Java, and they are: Inheritance, Encapsulation, Polymorphism, And Abstraction. And Compilation is not a part of the OOPS concept in Java.
What are the 4 OOP concepts in Java?
Encapsulation. Binding (or wrapping) code and data together into a single unit are known as encapsulation. For example, a capsule, it is wrapped with different medicines. A java class is the example of encapsulation.
What are the 5 OOPS concepts?
When completing an object-oriented design, there are five basic concepts to understand: classes/objects, encapsulation/data hiding, inheritance, polymorphism, and interfaces/methods.
Is encapsulation OOPS concept in Java?
Encapsulation is one of the four fundamental OOP concepts. … Encapsulation in Java is a mechanism of wrapping the data (variables) and code acting on the data (methods) together as a single unit.
How many OOPS concepts are there in Java?
Now, let’s see the real-life characteristics of the four main OOP concepts in Java: abstraction, encapsulation, inheritance, and polymorphism.
Which of these is not an important concept of OOP?
Explanation: There are 7 basic features that define whether a programing language is pure OOP or not. The 4 basic features are inheritance, polymorphism, encapsulation and abstraction. … Data transfer is not a feature of OOP. Also, message reading is not a feature of OOP.
What are OOP concepts?
Now, there are four fundamental concepts of Object-oriented programming – Inheritance, Encapsulation, Polymorphism, and Data abstraction. It is very important to know about all of these in order to understand OOPs.
Is Python an OOP?
Well Is Python an object oriented programming language? Yes, it is. With the exception of control flow, everything in Python is an object.
Why we need Oops concepts?
Object-oriented programming aims to implement real-world entities like inheritance, hiding, polymorphism etc in programming. The main aim of OOP is to bind together the data and the functions that operate on them so that no other part of the code can access this data except that function.
Why Java is OOP language?
Java is purely an object oriented language due to the absence of global scope, Everything in java is an object, all the program codes and data resides within classes and objects. It comes with an extensive set of classes, arranged in packages, object model in java in sample and easy to extend.
Where is encapsulation used in Java?
Everything is an abstraction. Encapsulation is the process of hiding information details and protecting data and behavior of an object from misuse by other objects. In Java, encapsulation is done using access modifiers (public, protected, private) with classes, interfaces, setters, getters.
Is a relationship in Java?
In Java, an Is-A relationship depends on inheritance. Further inheritance is of two types, class inheritance and interface inheritance. … When there is an extends or implement keyword in the class declaration in Java, then the specific class is said to be following the Is-A relationship.
Why Multiple inheritance is not supported in Java?
Java supports multiple inheritance through interfaces only. A class can implement any number of interfaces but can extend only one class. Multiple inheritance is not supported because it leads to deadly diamond problem.
How can we achieve oops concept in Java?
We will use Java programming language for code examples so that you know how to implement OOPS concepts in Java.
- Abstraction. Abstraction is the concept of hiding the internal details and describing things in simple terms. …
- Encapsulation. …
- Polymorphism. …
- Inheritance. …
- Association. …
Which of the following is not a Java features?
2) Which of the following is not a Java features? Explanation: The Java language does not support pointers; some of the major reasons are listed below: One of the major factors of not using pointers in Java is security concerns. Due to pointers, most of the users consider C-language very confusing and complex.