Suggested Read: OOPs Interview Questions And Answers Basic OOPs Concepts with Examples The basic Java OOPs concepts in general includes, 1) Class The class is the first basic OOPs concepts, which is a group of the same entities. Class is a logical component and not a physical entity. For e...
Object-oriented programming System(OOPs) is a programming paradigm based on the concept of "objects" that contain data and methods. The primary purpose of object-oriented programming is to increase the flexibility and maintainability of programs. Object oriented programming brings together data and its...
Note: If you are looking for a real-life example of encapsulation then refer this guide:OOPs features explained using real-life examples. For other OOPs topics such asinheritanceandpolymorphism, referOOPs concepts Lets get back to the topic. What is encapsulation? The whole idea behind encapsulati...
Core OOPS concepts are: Abstraction Encapsulation Polymorphism Inheritance Association Aggregation Composition Let’s look into these object-oriented programming concepts one by one. We will use Java programming language for code examples so that you know how to implement OOPS concepts in Java. 1. Abst...
Learn about inheritance in Java, its types, advantages, and real-world examples. Understand how to implement single, multiple, and hierarchical inheritance i…
With this change, we can check for such null expressions as the separate case itself. Before Java 17if (s == null) { System.out.println("oops!"); return; } switch (s) { case "Foo", "Bar" -> System.out.println("Great"); default -> System.out.println("Ok"); } In Java 17...
-XX:-UseCompressedOops Disables the use of compressed pointers. By default, this option is enabled, and compressed pointers are used when Java heap sizes are less than 32 GB. When this option is enabled, object references are represented as 32-bit offsets instead of 64-bit pointers, which ...
Important Note:If you found this instanceof operator confusing, we recommend you first understand the concept of class, object, OOPs concept, create few complex programs and comeback to this topic again. Then you will understand it more deeply and clearly. ...
Polymorphism is one of the OOPs feature that allows us to perform a single action in different ways. For example, lets say we have a class Animal that has a method sound(). Since this is a generic class so we can't give it a implementation like: Roar, Me
This Java tutorial discusses 4 pillars of OOP i.e. abstraction, encapsulation, inheritance, and polymorphism with easy examples.