Mutable vs Immutable Strings in Java In Java, the String class is immutable, meaning once an object is created, its value cannot be changed. Any operation like concatenation creates a new object in memory, which impacts performance when used repeatedly. To handle frequent modifications, Java provides mutable string classes: -> StringBuilder → Faster, not thread-safe (best for single-threaded tasks) -> StringBuffer → Thread-safe, synchronized, but a bit slower Choosing the right type improves performance, memory usage, and code efficiency. TAP Academy #Java #JavaDeveloper #Programming #CodingConcepts #LearningJourney 🚀

Day 22-What I Learned In a Day(JAVA) Today I learned about method calling in Java. I practiced how a method can be called multiple times from the main() method. I also understood that when calling a method, we can pass arguments in two ways: 1️⃣ Directly passing values m1(10); 2️⃣ Passing values through a variable int a = 10; m1(a); Both approaches will pass the value to the method parameter and execute the method. Through this practice, I improved my understanding of method creation, parameter passing, and method execution flow in Java. Hashtags Practiced 👇 #Java #CoreJava #JavaLearning #Programming #CodingJourney #JavaMethods #LearnJava #Developers #TechLearning #DailyLearning

📘 Day 17 – Core Java Programming Series Today in my Core Java journey, I continued exploring Strings in depth. 📌 What I Learned: Advanced String operations Difference between String, StringBuffer, and StringBuilder Mutable vs Immutable strings Performance differences and when to use each 🧠 Problem Solving: *Practiced multiple string-based problems to improve logical thinking and strengthen my coding skills. *Every day I’m getting more confident with Java fundamentals and understanding how important Strings are in real-world applications. *Consistency is the key! 🔥 #Day16 #CoreJava #JavaProgramming #Strings #ProblemSolving #LearningJourney

📘 Day 14 of Learning Java Today I learned some important basics about Packages and Sub-packages in Java. Sharing my key takeaways 👇 🔹 Sub-packages in Java A package inside another package is called a sub-package When we create a sub-package:      First, the parent package (folder) is created      Inside it, the sub-package folder is created automatically 🔹 Package Naming Convention Uses the company’s web domain name (in reverse order) Followed by the project or concept name Helps avoid name conflicts and keeps code organized 🔹 Compiler Searching Algorithm When the compiler looks for a class, it searches in this order: Current method Inner class (class level) Outer class in the same Java file Current package folder 📌 Learning step by step and enjoying the process. More to come! 🚀 #Java #LearningJava #JavaDeveloper #Programming #CodingJourney #SoftwareDevelopment #TechLearning #StudentLife

📘 Day 14 – Java Number Program Series Today I practiced some important number-based problems in Java: 👉 Write a program to find the Digital Root of a number 👉 Write a program to print the Reverse of a number 👉 Write a program to check whether a number is a Palindrome 👉 Write a program to check whether a number is a Spy Number 👉 Write a program to check whether a number is a Neon Number These problems helped me strengthen: ☑️ Loop concepts ☑️ Digit extraction logic ☑️Mathematical thinking ☑️ Problem-solving skills Improving step by step. Consistency matters. 💪 #Java #Programming #CodingJourney #DigitalRoot #Palindrome #ProblemSolving #NeonNumber #CodeNewbie #SoftwareDevelopment #CareerGrowth

📘 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

Did you know this about Java Wrapper Classes? In Java, not all objects are created equal. Some wrapper classes cache frequently used values to improve performance and reduce memory usage. This means Java may reuse existing objects instead of creating new ones — something that can even affect how == behaves! Understanding this small internal optimization can make a big difference in interviews and real-world coding. To learn more about this concept, check out the article below: https://lnkd.in/ggwS5Fic #Java #CoreJava #JVM #JavaInternals #WrapperClasses #Programming #Learning

#Day17 – Understanding Constructors in Java ⚙️ Today’s session helped me understand how constructors work in Java and how they are used while creating objects. Key Learnings: ✔ A Constructor is a special type of method whose name is the same as the class name ✔ Constructors do not have any return type, not even void ✔ Constructors are automatically called when an object is created using the new keyword ✔ If a programmer does not create any constructor, Java Compiler provides a Default Constructor ✔ Learned about Parameterized Constructors and Zero-Parameterized Constructors ✔ Understood Constructor Overloading (multiple constructors with same name but different parameters) ✔ Explored Constructor Chaining using this(), where one constructor calls another constructor within the same class TAP Academy Harshit T #Java #OOPS #CoreJava #Constructors #Programming #SoftwareDevelopment #LearningJourney #Consistency

🚀 Implemented Toggle Bits Logic in Java As part of my Java practice, I developed a program to understand how bit manipulation works, specifically focusing on toggling bits of a number. 🔹 What is Toggle Bits? Toggle bits means changing every binary digit of a number: 0 becomes 1 1 becomes 0 In simple terms, it performs a binary complement of a number. 🔹 What I Implemented: ✔ Converted a decimal number into binary form logically ✔ Reversed each bit (0 → 1, 1 → 0) ✔ Reconstructed the new decimal value from the toggled binary ✔ Handled edge cases like input 0 Bit manipulation is powerful because it works directly at the binary level, making programs faster and more memory-efficient. Excited to explore more concepts in Java and improve my problem-solving skills! 💻✨ #Java #BitManipulation #Programming #CodingJourney #Learning #Developer