Removing Duplicates from Java Array with User Input

I worked on a Java program to understand how constructors initialize objects in Object-Oriented Programming. 💻☕ In this project, I created a class Pen with different constructors to explore how object creation works with various inputs: • Used a no-argument constructor for default object creation 🧩 • Implemented parameterized constructors to pass values during object creation 📥 • Observed how constructor arguments influence object initialization 🔍 • Printed object references to understand default Java object representation 🖨️ This helped me build clarity on: • Object instantiation in Java ⚙️ • Role of constructors in initialization 🏗️ • Difference between object reference and actual data 🧠 A focused exercise to strengthen core Java fundamentals. 🚀 #Java #OOP #Constructors #JavaProgramming #CodingJourney #LearningJava #Developers

🚀 Java Developer Journey — Day 8 📦 Arrays in Java Before arrays, storing multiple values meant creating many variables. Imagine storing marks of 5 students using separate variables — messy, repetitive, and hard to manage. That’s where arrays come in. 💡 Arrays allow you to store multiple values of the same data type under one variable name. Instead of writing many variables, you can organize data efficiently using index-based storage in continuous memory. In this post you’ll learn: ✔ Why arrays are needed ✔ The problem arrays solve ✔ What arrays actually are ✔ How arrays are created in Java ✔ How arrays are stored in memory ✔ Default values assigned to arrays Arrays are one of the core foundations of Java programming and are heavily used in loops, data processing, algorithms, and collections. If you're starting your Java journey, mastering arrays will make your code cleaner, scalable, and easier to manage. 📌 Save this post for quick Java revision. #Java #JavaProgramming #LearnJava #JavaDeveloper #Coding #Programming #Developers #SoftwareDevelopment #JavaBasics #ProgrammingJourney

🚀 DAY–11: Introduction to Arrays in Java Understanding arrays is a fundamental step in mastering Java programming. Arrays help us store multiple values of the same data type in a single variable, making data management more efficient and organized. In today’s learning, I explored the core concepts of Java Arrays in a simple and structured way. 🔹 Key Concepts Covered: • What is an Array? An array in Java is an object that stores multiple values of the same data type in a single variable. • Types of Arrays Java supports different types of arrays such as: 1.One-dimensional arrays 2.Two-dimensional arrays 3.Three-dimensional arrays • Homogeneous Data Storage Arrays store elements of the same data type, which helps maintain consistency and efficiency in programs. • Declaration and Initialization Arrays can be declared and initialized in Java like this: int[] numbers = new int[5]; • Indexing in Arrays Array indexing starts from 0, meaning the first element is stored at index 0. • Nested Loops for 2D Arrays When working with two-dimensional arrays, nested loops are used to iterate through rows and columns. Learning arrays is important because they are widely used in data processing, algorithms, and real-world applications. Strengthening these fundamentals helps build a strong foundation in programming. Consistency in learning the basics is key to becoming a better developer. 💻✨ #Java #JavaProgramming #ProgrammingBasics #CodingJourney #Arrays #Learning #Developers

𝗝𝗮𝘃𝗮 𝗣𝗿𝗼𝗴𝗿𝗮𝗺𝘀: 𝗙𝗿𝗼𝗺 𝗕𝗮𝘀𝗶𝗰𝘀 𝘁𝗼 𝗔𝗱𝘃𝗮𝗻𝗰𝗲𝗱 Want to master Java? 🚀Start with these must-know programs, progressing from beginner to expert! 🔹1. Basic Java Programs ✅ Print "Hello World" ✅ Check Even or Odd ✅ Swap Two Numbers (No Temp Variable) ✅ Reverse a Number 🔹2. Intermediate Java Programs ✅ Palindrome Checker ✅ Factorial using Recursion ✅ Prime Number Validator ✅ Fibonacci Series (Recursion & Iteration) 🔹3. Advanced Java Programs ✅ Bubble Sort (Array Sorting) ✅ Find Duplicates in an Array ✅ Reverse a String via Recursion ✅ Multithreading Example ✅ File Handling (Read & Write) ✅ Lambda Expressions (Functional Programming) 🔥Which one is your go-to Java challenge? Drop it in the comments! 💬 ⚡ 𝗛𝗮𝘃𝗲 𝗾𝘂𝗲𝘀𝘁𝗶𝗼𝗻𝘀 ? 𝗣𝗿𝗶𝗼𝗿𝗶𝘁𝘆 𝗗𝗠 𝗺𝗲 (𝗙𝗿𝗲𝗲 𝗚𝘂𝗶𝗱𝗮𝗻𝗰𝗲): https://lnkd.in/dAhQ8edb 🌟 𝗝𝗼𝗶𝗻 𝗪𝗵𝗮𝘁𝘀𝗔𝗽𝗽 𝗖𝗵𝗮𝗻𝗻𝗲𝗹 (𝗙𝗿𝗲𝗲 𝗗𝗮𝗶𝗹𝘆 𝗝𝗼𝗯𝘀): https://lnkd.in/gkvaqsAN Do like , comment & repost , if you find it helpful. Follow Rushikesh Patil for more insightful updates and tips related to Testing. #JavaProgramming #Coding #Developers #TechCommunity #TechTips #JavaPrograms #JavaDeveloper #ProblemSolving #LearnToCode #LearnWithRushikesh

Encapsulation in Java — The Protective Shield Encapsulation is one of the core pillars of Object-Oriented Programming in Java. It’s all about bundling data and behavior into a single unit (class) while protecting the internal state from unwanted access. ✨ Why does Encapsulation matter? ✔️ Enhances security of class members ✔️ Enables proper data hiding ✔️ Improves code readability & maintenance ✔️ Promotes code reusability Understanding access modifiers (public, private, protected, default) is key to mastering encapsulation and writing clean, secure Java code. 💡 Pro Tip: Good encapsulation isn’t just about making variables private — it’s about designing classes with controlled and meaningful access. #ObjectOrientedProgramming #OOPConcepts #JavaProgramming #CoreJava #JavaBasics #ProgrammingConcepts #CodeNewbie #DevelopersLife #ProgrammerLife #CodingJourney #TechLearning #LearnToCode #DeveloperCommunity #SoftwareEngineer #BackendDevelopment #CodingTips #TechCareers #ComputerScience #ProgrammingLife #DailyCoding #100DaysOfCode #WomenWhoCode #CodeQuality #CleanCode #CodeReusability #DataHiding #AccessModifiers #JavaInterview #TechSkills #CodingKnowledge 🚀

🚀 Day 21/100 ⏳– Java Series: for Loop 🔁 The for loop in Java is a control structure used to repeat a block of code a specific number of times. It’s ideal when the number of iterations is known beforehand. 🔹 Syntax: for (initialization; condition; increment/decrement) { // code to execute } ✨ Key Highlights: 🟢 Initialization: Set the starting point of the loop 🟢 Condition: Loop continues as long as this is true 🟢 Increment/Decrement: Updates the loop variable each iteration 🟢 Block of Code: The statements you want to repeat 💡 Tips: Avoid infinite loops ⚠️ by ensuring the condition eventually becomes false Can be used with arrays, collections, and numbers 📚 Can nest loops for multi-dimensional iterations 🔄 🔥 Why use for loop? -->Compact and easy to read 📝 -->Efficient for repetitive tasks 🔁 -->Widely used in real-world applications like data processing, simulations, and algorithm implementations 💻 #Java #JavaProgramming #JavaDeveloper #JavaLearning #ForLoop #Programming #Coding #SoftwareDevelopment #SoftwareEngineering #LearnToCode #CodeDaily #100DaysOfCode #DeveloperCommunity #TechLearning #ProgrammingJourney #CodingCommunity #ComputerScience #FutureDevelopers #10000 Coders #Meghana M

🔹 Java Practice: Frequency Count + Single Number Detection 🔹 Today I practiced a small but useful Java problem: counting the frequency of elements in an array and also identifying the element that appears only once. In this program, I used a boolean array to mark elements that were already processed so that duplicates are not counted multiple times. For each element, I compared it with the remaining elements, increased the count when matches were found, and marked those positions as visited. This approach helped me achieve two things in one pass of logic: ✔️ Print how many times each number occurs ✔️ Detect and display the number that appears only once Working on such problems strengthens understanding of loops, conditions, arrays, and basic problem-solving logic in Java. Small exercises like these build the foundation for writing efficient algorithms later. #Java #Programming #CodingPractice #DataStructures #Learning #StudentDeveloper

🚀 Mastering Core Java | Day 14 📘 Topic: Key Methods to Pause Java Thread Execution Today’s learning focused on important methods used in Java multithreading to control or pause thread execution. Understanding these methods helps manage thread coordination and improves application performance. 🔹 Thread.sleep(milliseconds) Pauses the current thread for a specified time Moves the thread to TIMED_WAITING state Does not release locks Requires handling InterruptedException 🧩 Used when we want a thread to pause temporarily. 🔹 Object.wait() Causes the current thread to wait until another thread notifies it Moves thread to WAITING or TIMED_WAITING state Releases the object’s monitor lock Must be used inside a synchronized block 🧩 Commonly used for thread communication. 🔹 Thread.join() Makes the current thread wait for another thread to finish execution Moves thread to WAITING state Useful when tasks depend on completion of another thread 🧩 Ensures sequential dependency between threads. 🔹 Thread.yield() Suggests the scheduler to pause the current thread and allow others to run Moves thread from RUNNING → RUNNABLE state Not guaranteed to pause execution 🧩 Helps give equal opportunity to threads of the same priority. 💡 Key Takeaway: These methods help control thread scheduling, coordination, and execution flow, which is essential for building efficient, responsive, and high‑performance Java applications. Vaibhav Barde sir Grateful for the continuous learning that strengthens my Core Java and multithreading fundamentals step by step. #CoreJava #Multithreading #JavaThreads #JavaDeveloper #ThreadManagement #LearningJourney #Day14 #SoftwareDevelopment 🚀

📘 Understanding “Class” in Java – A Quick Guide for Beginners & Developers A class is the foundation of every Java program. It defines the structure and behavior of objects by combining data (variables & datatypes) with logic (methods & constructors). In this visual guide, you’ll learn: ✅ What a class is and why it’s mandatory in Java ✅ What a class contains (datatypes, variables, methods, objects, constructor) ✅ Class naming rules (no numbers first, no spaces, no special characters) ✅ Different types of classes (Concrete, Abstract, Final, Inner, Wrapper, Singleton, Object) Mastering classes is the first step toward strong Object-Oriented Programming (OOP) skills and writing clean, scalable Java applications. 💡 Keep learning. Keep building. Keep growing. #Java #JavaProgramming #OOP #ObjectOrientedProgramming #ProgrammingBasics #Coding #SoftwareDevelopment #LearnJava #DeveloperCommunity #TechEducation #ComputerScience #CodingLife #ProgrammingTips #CodeNewbie #ITTraining #EdTech #LinkedInLearning #SoftwareEngineer #TechSkills #CareerInTech

If you're starting Java programming, the first thing you must understand is 👉 Data Types & Variables. Without this, Java will always feel confusing 😅 In this guide you’ll learn: • Primitive vs Non-Primitive Data Types • int, float, double, char, boolean explained simply • Local, Instance & Static Variables • Practical examples for beginners This is not just theory — it will actually make your Java concepts clear. Read now and strengthen your basics 🚀 https://lnkd.in/gXbnYq8g #Java #Programming #CodingForBeginners #LearnJava #Developers #ComputerScience #CodingJourney