Jan 28 · 2 min read · Variables are containers that store data in a program. Every variable has: Type → What kind of data it can store (number, text, etc.) Name → Identifier for the variable Value → The actual data stored Syntax for Variable dataType variableName = ...
Join discussionDec 10, 2025 · 4 min read · To understand the var args concept , let us solve the following problem Write a class that has a method called sum( ) which can add and return the sum of all the integers passed to it as argument . The method should be able to accept 2 3 or 4 argum...
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Sep 4, 2025 · 3 min read · One of the most frustrating runtime errors for Java developers is the NullPointerException (NPE).It often occurs when we try to access or call a method on an object that turns out to be null. String name = null; System.out.println(name.length()); // ...
Join discussionAug 10, 2025 · 6 min read · 🚀 Day 13 Java Progress — Revision with Practical Tasks On Day 13 of my Java learning journey, I focused on revision by practicing various small tasks across concepts I’ve covered so far. I actively engaged with ChatGPT to get specific programming ch...
Join discussionAug 7, 2025 · 4 min read · 🌟 Java Day 12 — Mastering Abstract Classes & Interfaces 📌 Introduction Welcome to Day 12 of my Java journey! Today, I explored two powerful OOP concepts: Abstract Classes and Interfaces. These are essential for building flexible, reusable, and main...
RRitik commentedAug 5, 2025 · 5 min read · 🌟 Java Day 11 — Diving Deep into Object-Oriented Concepts 📌 Introduction Welcome to Day 11 of my Java journey! Today, I explored fundamental but powerful OOP concepts essential in Java programming: super keyword, .toString() method, and method over...
Join discussionAug 3, 2025 · 5 min read · 🌟 Java Day 10 – Learning Log: Arrays of Objects, Static Methods, and Inheritance 📌 Introduction Day 10 was all about revising important foundational Java concepts: Arrays of Objects, Static Methods and Variables, and Inheritance. These concepts ar...
Join discussionAug 1, 2025 · 5 min read · 🌞 Java Day 9: Constructors and Constructor Overloading – My Aha Moment! 👋 Introduction Hey blog! Today was surprisingly fun and full of "aha" moments as I explored constructors and constructor overloading in Java. Initially, constructors seemed my...
Join discussionJul 30, 2025 · 5 min read · ✨ Java Day 8 – Slot Machine Game 🎰 + Car Class 🚗 + Real OOP Concepts 🛠️ 👋 Hey everyone! Today was hands-down one of the most fun and productive days in my Java learning journey so far! I tackled three very different programs — each unlocking new...
Join discussionJul 28, 2025 · 7 min read · 🌟 Java Day 7 – Mastering Arrays, Matrices, and Interactive Programs 🎯 Hey there! 👋 Today, I dove deep into Java arrays, especially multidimensional arrays (matrices), and explored how to use arrays in real interactive programs. I also coded some ...
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