Luiz M.’s Post

Built a Java program to classify user input 💻 Used Scanner for taking input from user. Extracted character using charAt(0). Checked if input is alphabet, digit, or special character. Handled both uppercase and lowercase cases. Applied if-else logic effectively. Improved understanding of Java fundamentals. Practiced clean and structured coding. Strengthening logic building step by step 🚀 Consistency leads to better problem-solving skills 🔥 #Java #JavaProgramming #CodingJourney #LearnToCode #StudentDeveloper #ProgrammingBasics #LogicBuilding #TechSkills #VSCode #100DaysOfCode

Entry-level Algorithm Challenge: Array Manipulation in Java! Write a program that reads N real numbers and stores them in an array. Then print all elements of the array and display the sum and average. Here’s my solution to this simple challenge while practicing core Java fundamentals such as arrays, loops, and input validation. #Java #Algorithms #SoftwareDevelopment #Coding

Built a Java program to print number patterns 💻 Used nested loops to control rows and columns. Implemented outer loop for rows and inner loop for pattern logic. Printed numbers in increasing order for each row. Improved understanding of loop concepts in Java. Practiced pattern-based problem solving. Focused on writing clean and readable code. Strengthening logic building step by step 🚀 Consistency is key to mastering programming 🔥 Small programs like this build a strong foundation. #Java #JavaProgramming #CodingJourney #LearnToCode #StudentDeveloper #ProgrammingBasics #LogicBuilding #TechSkills #100DaysOfCode #DevelopersLife

Just dropped a new video on Comparator Interface in Java — covering custom sorting logic using multiple approaches (class, anonymous class and lambda). A clean, visual explanation to make sorting truly click. #Java #Comparator #Coding #LearningEveryday Watch here: https://lnkd.in/geW_UKh9

Nested types are a powerful way to organize and encapsulate logic in Java — but understanding the difference between static and non‑static nested types is key to using them effectively. This post breaks down how each kind works, how they access outer class members, how instances are created, and what the compiler does behind the scenes. Whether you’re structuring helper classes or managing deeper hierarchies, mastering nested types will help you write cleaner, more maintainable Java code. #Java #Programming #SoftwareDevelopment #RheinwerkComputingBlog Read the full post: https://hubs.la/Q048Shz50

 Exploring classic Java programs today — Palindrome, Spy Number, and Strong Number! Each one builds strong logic around loops, digit manipulation, and mathematical thinking. Small programs like these are the foundation of problem-solving in competitive programming. #Java #JavaProgramming #100DaysOfCode #CodingJourney #LearnToCode  #LogicBuilding #PalindromeNumber #SpyNumber #StrongNumber  #TechCommunity #SoftwareDeveloper #CodeNewbie #CodingLife

💡 Java Method Overloading: How the Compiler Makes Decisions Ever wondered how Java chooses the right method when multiple options exist? 🤔 This visual simplifies the process into 4 key steps: 🔹 Match method name & parameter count 🔹 Check exact data type match 🔹 Apply implicit type promotion (if needed) 🔹 Resolve ambiguity for final selection ✨ Key insight: Method overloading may look simple, but behind the scenes, the compiler follows a strict decision-making process called compile-time polymorphism (static binding). ⚠️ And if multiple matches exist? That’s where ambiguity errors come into play! 📌 Understanding this helps you write cleaner, bug-free, and more predictable Java code. #Java #Programming #MethodOverloading #Coding #JavaDeveloper #TechConcepts #LearningJourney #TapAcademy

Day 46 – Understanding Method Overloading in Java ☕ Today I focused on revising the concept of Method Overloading in Java and understanding how it works internally. Topics covered: 🔹 What is method overloading 🔹 How the compiler selects the appropriate method 🔹 Steps involved in method resolution 🔹 Why it is called compile-time polymorphism 🔹 Why it is referred to as early binding Understanding how the compiler decides which method to invoke based on parameters helped me gain deeper clarity on Java’s execution process. Strengthening my core OOP concepts step by step 🚀 #Day46 #JavaJourney #OOP #MethodOverloading #CoreJava #Consistency

Struggling with Core Java concepts? Reading theory alone isn’t enough. One approach that really works is to break concepts with small experiments. Try creating 1000 threads and observe behavior. Use "parallelStream()" and compare performance. Force memory usage and watch how garbage collection reacts. Compare "ArrayList" vs "LinkedList", or even use a bad "hashCode()" to see collisions in action. When you actually see things break, concepts stop being abstract and start making sense. Learning by experimentation builds real understanding—not just theoretical knowledge. #Java #CoreJava #JavaDevelopers #Debugging #SoftwareEngineering #LearnByDoing #BackendDevelopment