Java Type Casting Explained: Widening vs Narrowing

📘 Day 9 | Core Java Series Operators are the building blocks of every Java program. This visual explains the 4 most important types: 👉 Arithmetic 👉 Relational 👉 Logical 👉 Assignment If you remember just this: Arithmetic → Calculate Relational → Compare Logical → Combine Assignment → Store Everything else becomes easier. 📌 Save this for revision 💬 Feedback or corrections are welcome #Java #CoreJava #LearningInPublic #JavaBasics #Programming

Understanding Static in Java 🚀 Today I learned about the static keyword in Java and created this example to demonstrate three important concepts: ✅ Static Variable - Shared by all objects of the class ✅ Static Block - Executes once when the class is loaded ✅ Static Method - Can be called without creating an object In this Student class example: 1.schoolName is static, so all students share the same school 2.The static block runs first, before the main method 3.The add() method is static and can be called directly using the class name When we change Student.schoolName, it updates for all student objects immediately! #Java #Programming #Learning #JavaDevelopment #CodingJourney #SoftwareDevelopment

📘 Day 17 | Core Java Series Method Overloading allows Java to use the same method name for different inputs. This visual explains how it works 👇 Remember this: Same method name Different parameter list ❌ Return type alone cannot overload a method Once this is clear, polymorphism becomes much easier to understand. 📌 Save this for revision 💬 Feedback is welcome #Java #CoreJava #LearningInPublic #JavaBasics #Programming

📘 Day 30 | Core Java Series The Collections Framework is where Core Java concepts meet real-world programming. This visual explains the basics: 👉 List 👉 Set 👉 Map Remember this: List → Order matters Set → Uniqueness matters Map → Key–Value matters This marks the end of my Core Java learning series. Advanced Java topics coming next 🚀 📌 Save this for revision 💬 Feedback is welcome #Java #CoreJava #Collections #LearningInPublic #Programming

Java Scanner Class Explained | Beginner Friendly Core Java. The Scanner class is one of the most beginner-friendly ways to take user input in Java. This short video explains: - What Scanner class is - How it uses System.in - Commonly used Scanner methods Ideal for beginners starting their Java programming journey. 🎥 Watch more Java tutorials on my YouTube channel: https://lnkd.in/gwqCZWkg #Java #CoreJava #JavaProgramming #JavaBasics #SoftwareDevelopment #LearnToCode #Programming #JavaTutorial

📘 Day 10 | Core Java Series Choosing between if–else and switch confuses many Java beginners. This visual explains when to use what 👇 Remember this simple rule: if–else → conditions & ranges switch → fixed choices Once this is clear, your code becomes cleaner and more readable. 📌 Save this for revision 💬 Feedback is welcome #Java #CoreJava #LearningInPublic #JavaBasics #Programming

📘 Day 14 | Core Java Series Strings in Java are not all the same. This visual explains the difference between: 👉 String 👉 StringBuilder 👉 StringBuffer Remember this: String → Immutable StringBuilder → Fast & Mutable StringBuffer → Thread-safe Choosing the right one improves performance and clarity. 📌 Save this for revision 💬 Feedback is welcome #Java #CoreJava #LearningInPublic #JavaBasics #Programming

📘 Day 16 | Core Java Series After learning wrapper classes, this concept becomes very important 👇 Autoboxing and Unboxing happen automatically in Java, but understanding them avoids confusion and bugs. Remember this: Autoboxing → primitive → object Unboxing → object → primitive Once this is clear, collections and wrapper usage make much more sense. 📌 Save this for revision 💬 Feedback is welcome #Java #CoreJava #LearningInPublic #JavaBasics #Programming

Ever asked Java to do something once… and it kept doing it again and again? 😅 That’s where loops come in. 📌 Control Statements – Part 2: Iteration (Looping Statements) Explained in an easy way: ✔ what each loop does ✔ when to use for, while, do-while, for-each ✔ why choosing the right loop matters Repeat smartly, not blindly 🔁 Perfect for beginners building strong Java logic 🚀 👉 Follow for the next part 🔁 Repost to revise later or help someone learning Java 💬 Comment “Part 3” if you’re ready for Jump Statements . . Thanks to Harshita Mittal for the design touch! . . #Java #CoreJava #JavaProgramming #JavaDeveloper #JavaBasics #ControlStatements #Iteration #Loops #ForLoop #WhileLoop #DoWhile #ForEach #LearnJava #Programming #ProgrammingConcepts #Coding #CodeNewbie #BeginnerFriendly #SoftwareEngineering #SoftwareDeveloper #DeveloperJourney #CSFundamentals #CodingLife #TechEducation #LearningToCode #ProgrammingTips #JavaSeries #LinkedInLearning #Upskilling #CareerInTech #TechCommunity #LogicBuilding #CleanCode #StudyJava #DevelopersOfLinkedIn #WomenWhoCode #StudentsWhoCode

📘 Day 31 | Collections Deep Dive Today we begin a deeper exploration of Java Collections. Understanding the difference between ArrayList and LinkedList is critical for writing efficient code. Remember this: ArrayList → Fast Access LinkedList → Fast Modification Choosing the right implementation impacts performance more than most beginners realize. 📌 Save this for revision 💬 Feedback is welcome #Java #Collections #CoreJava #LearningInPublic #Programming