Deepak Soni’s Post

🚀 Inheritance (Java) Inheritance is a mechanism where a new class (subclass or derived class) inherits properties and behaviors from an existing class (superclass or base class). It promotes code reusability and establishes an 'is-a' relationship between classes. Subclasses can override methods from the superclass to provide specialized implementations. Inheritance supports the creation of class hierarchies, making the code more organized and maintainable. It's a powerful tool for modeling real-world relationships and reducing code duplication. #Java #JavaDev #OOP #Backend #professional #career #development

Ever heard of the Singleton design pattern? 👑 It’s the one that makes sure there’s only one object running the show. Here’s a simple way to understand it. #DesignPatterns #SoftwareEngineering #CleanCode #ProgrammingConcepts #Java #TechLearning

🚀 Polymorphism (Java) Polymorphism means 'many forms,' and it allows objects of different classes to be treated as objects of a common type. This is achieved through method overloading (compile-time polymorphism) and method overriding (runtime polymorphism). Method overloading allows multiple methods with the same name but different parameters in the same class. Method overriding allows a subclass to provide a specific implementation of a method that is already defined in its superclass. Polymorphism enhances code flexibility and extensibility. #Java #JavaDev #OOP #Backend #professional #career #development

It covers a topic that almost every developer has heard about — Domain-Driven Design (DDD) — yet few have truly seen in practice. Read more 👉 https://lttr.ai/AkdNp #DDD #Java #DomainDrivenDesign #NewestBook

These issues often lead to scenarios where software is more about managing complexity than solving problems. Read more 👉 https://lttr.ai/AkrIL #java #DDD

Wrapped up a few Java programs recently focused on input/output handling and conditional logic. The goal wasn’t just to get them working, but to make them maintainable — clear structure, meaningful variable names, and minimal redundancy. Writing clean code early builds the mindset for building scalable systems later. #Java #SoftwareEngineering #CleanCode

Day 54/100 – #100DaysOfCode 🚀 | #Java #SlidingWindow #TwoPointers ✅ Problem Solved: Count the Number of Substrings With Dominant Ones (LeetCode) 🧩 Problem Summary: You’re given a binary string. A substring is dominant if: number of 1s > number of 0s × k (where k is given). Return the total count of such substrings. 💡 Approach Used: Used an optimized Sliding Window + Two Pointers approach: Traverse with a right pointer. Adjust the left pointer whenever the substring stops being dominant. All valid windows contribute (left + 1) substrings. This avoids brute-force O(N²) and makes the solution efficient. ⚙️ Time Complexity: O(N) 📦 Space Complexity: O(1) ✨ Takeaway: Sliding window transforms heavy substring problems into clean linear-time solutions. #Java #LeetCode #SlidingWindow #TwoPointers #ProblemSolving #CodingChallenge #100DaysOfCode

BeanPostProcessor & BeanFactoryPostProcessor BeanPostProcessor allows custom logic after bean initialization. It helps modify bean instances right before use. BeanFactoryPostProcessor modifies bean definitions before creation. Useful for adjusting configuration metadata dynamically. Both provide powerful customization for advanced scenarios. #SpringFramework #Java #SoftwareEngineering #BackendDevelopment

🚀 Java Collections: Iterator vs ListIterator — Traversing the Smart Way Once we store data in a Collection, the next big question is: 👉 How do I access or modify each element efficiently? That’s where Iterator and ListIterator come in! 💡 Quick Tip: ✅ Use Iterator for generic collections. ✅ Use ListIterator when you need more control over a list. 📄 Check out this short PDF guide to visualize both in action 👇 #Java #Collections #ListIterator #Iterator #JavaDeveloper #BackendDevelopment #SpringBoot #CodingTips #DattatrayBharde

🚀 Interfaces (Java) An interface is a contract that defines a set of methods that a class must implement. It specifies what a class should do, but not how it should do it. Interfaces can contain only abstract methods (implicitly public and abstract) and constant fields (implicitly public, static, and final). A class can implement multiple interfaces, allowing it to conform to multiple contracts. Interfaces are used to achieve multiple inheritance and to define a common protocol for unrelated classes. #Java #JavaDev #OOP #Backend #professional #career #development