Articles by Octopus

Byte and Character Streams Byte and Character Streams are described below:- The java.io package contains nearly every class you might ever need to perform input […]

Interfaces and Packages Interfaces and Packages are syntactically similar to classes, but they lack instance variables, and their methods are declared without anybody. A package […]

Polymorphism Polymorphism is the ability of an object to take on many forms. The most common use of it in OOP occurs when a parent […]

 Multilevel Hierarchy We have been using simple class hierarchies that consist of only a superclass and a subclass. However, you can build hierarchies that contain […]

Inheritance and Member Access Inheritance simply defined as the behaviour and character that the subclass or the child class gets itself by default from the […]

Introduction to Multithreading Introduction to Multithreading is given below:- Multithreading in java is a process of executing multiple threads simultaneously. Thread is basically a lightweight […]

Method and Instance Variables Method and Instance Variables are described such as Methods are a collection of statements that are group together to operate. Method […]

Features of Object-Oriented Programming The features of Object-Oriented Programming are given bellow:- Object Class Data Hiding and Encapsulation Dynamic Binding Message Passing Inheritance Polymorphism   […]

Introduction to Object-Oriented Programming Introduction to Object-Oriented Programming:- OOP is a programming paradigm in which you program using objects to represent things you are programming […]

Operators An operator, in Java, is a special symbol performing specific operations on one, two, or three operands and then returning a result. They are […]

Scope and Lifetime of Variables Scope and  Lifetime of variables define the section of the code in which the variable is visible. As a general […]