Category: Java Tutorial

Java super Keyword The super keyword in Java is a reference variable that refers to the immediate parent class object. It is used to access parent class members (variables, methods, and constructors) from a...

Java Polymorphism Polymorphism in Java is an OOP concept that allows objects to take multiple forms. In simple terms, one name can have many forms, depending on how it is used. Polymorphism improves code...

Java Inheritance Inheritance in Java is an OOP concept where a class (child/subclass) acquires the properties and methods of another class (parent/superclass). It promotes code reusability and establishes a hierarchical relationship between classes. ✅...

Java Packages A package in Java is a namespace that organizes a set of related classes and interfaces. Using packages helps in avoiding name conflicts, improving code maintainability, and reusing code. 1. Types of...

Java Encapsulation Encapsulation is an OOP concept that wraps data (variables) and methods together in a class and restricts direct access to some of the object’s components. It is also known as data hiding....

Java Non-Access Modifiers Non-access modifiers in Java provide additional properties or behavior to classes, methods, and variables. They do not control access but affect functionality, memory allocation, or inheritance. 1. final Modifier Variable →...

Java Modifiers Modifiers in Java are keywords that change the behavior of classes, methods, and variables. They define access level, scope, and other properties. There are two main types: Access Modifiers – Control visibility....

Java this Keyword The this keyword in Java is a reference variable that refers to the current object. It is mainly used to differentiate instance variables from local variables and to call constructors or...

Java Constructors A constructor in Java is a special method used to initialize objects. It is called automatically when an object is created. 1. Key Features of Constructors Same name as the class No...

Java Class Methods Class methods are functions defined inside a class that describe the behavior or actions of objects. They operate on class attributes or perform specific tasks. 1. Method Syntax

modifier →...