Understanding Java Object Lifecycle

Day 5:- Today, I explored one of the most powerful parts of Java, Looping and Jump Statements! 🔁✨ Here’s what I learned 👇 => Looping Statements 1. for loop :-Best for fixed number of iterations 2. while loop :-Runs until the condition becomes false 3. do-while loop :- Executes at least once before checking the condition => Jump Statements 4. break :-Exits the loop immediately 5. continue :-Skips the current iteration and moves to the next 6. return :-Exits from the current method What I realized: Loops make code efficient by reducing repetition, and jump statements give us control inside loops! Excited to move toward the next Java concepts! #Java #LearningJourney #Programming #day5 #CodeNewbie

Day 8 of #50DaysOfCode – Java Today I practiced loops and conditional statements by writing a program to print all even numbers from 1 to 50. 💻 What I did: Used a for loop to iterate from 1 to 50 Checked each number using the modulus (%) operator Printed all even numbers 🧠 Concepts learned: Loops (for) Conditional statements (if) Modulus operator (%) Learning Java step by step! 💪 #Java #LearnInPublic #CodingJourney #Programming #50DaysOfCode

Day 104 of Learning Java 🚀 Today, I explored one of the most fundamental concepts in Java — Arrays. 🔹 Learned how arrays store multiple values of the same data type in a single variable 🔹 Understood how to create & initialize arrays using the new keyword 🔹 Practiced accessing values using for loop and enhanced for loop (for-each loop) 🔹 Also worked with String Arrays and iterated through them using the for-each loop 💡 Key Takeaways: Arrays store data in continuous memory Accessing elements using index is fast (O(1)) new keyword allocates memory in heap and creates the actual array object For-each loop makes reading array values easier and cleaner (especially for String arrays) Every day, one step closer to mastering Java 💪 #Java #LearningInPublic #DSA #CodingJourney #developerlife

Day 7 of #50DaysOfCode – Java Today I practiced arrays and conditional statements by writing a program to find the smallest number from five user inputs. 💻 What I did: Took 5 numbers from the user Stored them in an array Used a loop and if condition to find the smallest number 🧠 Concepts learned: Arrays (int[]) Loops (for) Conditional statements (if) Input/output using Scanner Step by step, getting stronger with Java! 💪 #Java #CodingJourney #LearnInPublic #Programming #50DaysOfCode

💻 Java Project: Core Fundamentals Demo #day6 of java learning A complete Java program demonstrating core concepts like data types, loops, operators, OOP principles, and collections (ArrayList, HashSet, HashMap). It also includes examples of methods, static variables, and exception handling — perfect for beginners learning Java basics. #Java #CoreJava #Programming #OOPs #LearningByCoding

🔥 Day 64 of Learning Java – Multithreading Life Cycle Today, I revised how a Thread goes through different states in Java. Understanding this helps in debugging and writing efficient concurrent code. A Thread in Java does not just run and stop. It passes through multiple states like sleep and wait Life Cycle: NEW → RUNNABLE→BLOCKED / WAITING/ TIMED_WAITING → TERMINATED 🎯 Key Takeaways start() → moves thread from NEW → RUNNABLE. sleep() and wait() → move to TIMED_WAITING / WAITING. join() blocks current thread until target thread completes. After finishing execution → TERMINATED. 💡 Why is this important? Multithreading is used in high-performance applications, gaming engines, real-time systems, and backend services. Understanding thread states helps avoid: ✔ Deadlocks ✔ Unnecessary CPU usage ✔ Concurrency bugs #Java #Multithreading #ThreadLifeCycle #DailyLearning #100DaysOfCode #LinkedInLearning

🔹 Topic: Understanding Sets in Java Collections ➡️ As part of my learning in Java, I recently explored the Set interface in the Collections Framework - a fascinating concept that helps in storing unique elements without duplicates. 🌟A Set is ideal when uniqueness matters - whether it’s managing IDs, filtering duplicates, or handling distinct data entries. 🖊️ Some key implementations I learned include: HashSet - for fast and efficient storage LinkedHashSet - for maintaining insertion order TreeSet - for sorting elements in natural order ☕Understanding Sets has deepened my grasp of how data can be organized efficiently in Java while ensuring clarity and accuracy. #Java #CollectionsFramework #SetInterface #Coding #ContinuousLearning #ProblemSolving #GrowthMindset #JavaProgramming

💻 Day 12 of My Java Online Class – Exploring Memory Management Concepts! Today, I learned about two important concepts in Java related to memory management and garbage collection. 🧠✨ 🧩 Question 1: I explored how Strong References and Weak References work in Java. ✅ Used WeakReference class to understand how objects can be garbage collected when they are no longer strongly referenced. ✅ Observed how the Garbage Collector clears weakly referenced objects to free up memory. 🧩 Question 2: I simulated memory usage in Java by continuously allocating large memory blocks. ✅ Observed how memory consumption increases in each iteration. ✅ Learned how OutOfMemoryError occurs when the heap space is exhausted. ✅ Gained a clear understanding of how Java’s Runtime class helps monitor memory usage. 📘 Key Learnings: Working of Garbage Collection in Java. Difference between Strong and Weak References. How to monitor and manage Heap Memory efficiently. Handling OutOfMemoryError safely in programs. Cybernaut EdTech #60dayscodechallenges #TechTrio #CybernautEdtech #Java #MemoryManagement #GarbageCollection #JavaLearning #OnlineClass #Day12 #CodingJourney #LearnJava #Programming

Day 4 of my #100DaysOfDSA Challenge 💻 Today I solved a classic problem — Reverse of a String in Java. It’s one of the most basic yet fundamental questions that helps you understand how strings work in Java (immutable vs mutable). Here are 3 simple approaches I learned today 👇 🔹 Using loop (beginner-friendly) 🔹 Using StringBuilder (efficient way) 🔹 Using recursion (interview-level concept) Small steps every day → Big results soon 🚀 #Java #DSA #CodingChallenge #100DaysOfCode #Programming #DeveloperJourney #Learning

📘 Day 68 | Learning Update 📌 Topic - Collection Framework in Java Today's I learned: ✅️ What is Collection ? ✅️ What is Java Collection Framework ? ✅️ Hierarchy of Collection Framework in Java ✅️ Components of the Collection Framework 1️⃣ Interfaces - Define collection types. 2️⃣ Classes - Implement collections. 3️⃣ Algorithms - Perform operations on collections. ✅️ Needs for Java Collection Framework ✅️ Types of Collection 1️⃣ Generic Collection - store only one type of data (homogeneous). 2️⃣ Non-Generic Collection - store different types of data (heterogeneous) ✅️ Advantages of Collection Framework ✅️ Syntax of Collection ✅️ Methods of Collection Interface ✅️ Example based on methods of collection interfaces 🚀 Thanks to my mentor PRATIKSHA INDROL Ma'am for guiding me through these concepts with clear, practical examples.💻✨️ #Day68 #Domain #CoreJava #JavaProgramming #LearningJourney #FortuneCloud #CollectionFramework #180DayChallenge #JavaFullStackDeveloper