Otavio Santana’s Post

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

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

🚀 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

🚀 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

If your code require more than 60 second to understand then you need to simplify it. easy to understand 100 line of code >>> hard to understand 60 line of code. #SoftwareEngineering #Java #React #IT

Let's check how to create Object copies efficiently in Java without rebuilding them from scratch: Prototype Design Pattern in Java – A Complete Guide with Examples. Complete Article: https://lnkd.in/gGxqgyKX #Java #JavaDeveloper #DesignPatterns #PrototypeDesignPattern #CreationalDesignPatterns #JavaProgramming #ObjectOrientedDesign #JavaDevelopment #SoftwareDesign #JavaInterviewPreparation #LearnJava #CodeInJava #JavaTutorial #SoftwareEngineering #JavaCommunity #SpringBoot #Microservices #CleanCode #Refactoring #ProgrammingConcepts #TechLearning #JavaArchitecture #CodingBestPractices #Java21 #DeveloperCommunity #TechEducation #JavaCode #JavatechOnline #DevCommunity #CodingPatterns

Day 14 of #50DaysOfCode – Java Today’s task: Count the number of digits in a given number! A small yet logical problem that helps build understanding of loops and integer division 💡 #Java #CodingChallenge #50DaysOfCode #LogicBuilding #ProgrammingBasics #CodeEveryday

Day 16 of #50DaysOfCode – Java Today’s task: Find the largest digit in a given number! A simple yet interesting problem that strengthens your understanding of loops and conditional checks 💡 #Java #CodingChallenge #50DaysOfCode #LearnToCode #ProgrammingBasics #LogicBuilding #CodeEveryday

Day 15 of #50DaysOfCode – Java Today’s task: Find the sum of all even numbers from 1 to N! A simple problem that strengthens understanding of loops and conditional statements 🔁 #Java #CodingChallenge #50DaysOfCode #LearnToCode #LogicBuilding #ProgrammingBasics #CodeEveryday

🚀 Building a Thread-Safe Map from a List in Java Ever needed to convert a List into a ConcurrentHashMap for fast lookups and safe concurrent access? Here’s an approach using Java Streams and Collectors.toMap(). 🔹 Key Idea: Transform your list into a map where keys = unique IDs and values = actual objects (Function.identity() style). 🔹 Why it matters: ⚡ Thread-safe lookups for concurrent environments 💡 Declarative one-liner using Java Streams 🧩 Merge function prevents duplicate-key exceptions 🔒 Backed by ConcurrentHashMap for safe updates #Java #SpringBoot #BackendDevelopment #ConcurrentProgramming #CleanCode #JavaStreams #ThreadSafe #CodingBestPractices #SoftwareEngineering #Developers