Posts by Ajay Dabade

✅ Question 1 class Student { String name; int marks; void setData(String n, int m) { name = n; marks = m; } void display() { System.out.println(name + " " + marks); } } public class…

Introduction In Java, most things revolve around objects ☕But sometimes, certain members belong not to objects, but to the class itself. That is where the static keyword comes into play. The static keyword is one of…

Introduction 🧠 Fundamental Concept: How Java Passes Arguments Java is strictly pass-by-value. But here is the important part: For primitive types → value is copied For objects → reference value is copied 📌 That means:When passing…

Practicing program-based questions is essential for mastering Object-Oriented Programming concepts in Java ☕Most examinations and lab assignments ask questions in a structured, descriptive format, where the problem statement clearly specifies: Attributes of a class Required methods…

In Java, writing programs is not just about using loops, conditions, and variables.The real power of Java comes from organizing logic into reusable units, and that unit is called a method 🧩 As applications grow, Java…

Introduction In Java, objects are accessed using references, and many important concepts revolve around understanding which object is being referred to at a given moment 🧠This is where the this keyword plays a crucial role. The…

Introduction In Java, creating an object is not just about allocating memory — it is also about initializing that memory correctly ☕This responsibility is handled by a special member of a class called a constructor. Constructors…

Introduction Java is a class-based, object-oriented programming language, and everything in Java revolves around classes and objects ☕To write clean, structured, and maintainable Java programs, it is essential to clearly understand what classes are, what objects…

Java is a class-based, object-oriented programming language designed to build structured, reusable, and maintainable software ☕While basic Java focuses on syntax and control flow, Object-Oriented Programming (OOPs) focuses on design, structure, and real-world modeling. OOPs organizes…