Understanding Recursion: Direct & Indirect Methods

Day 31- What I Learned In a Day(JAVA) Today, I learned about nested for loops and how they are used in pattern programming. A nested loop is simply a loop inside another loop. The outer loop controls the number of rows, while the inner loop controls what gets printed in each row (columns). 🔹 Outer loop → runs row by row 🔹 Inner loop → runs completely for each row 🔹 This helps in creating patterns like squares, triangles, and pyramids For every single iteration of the outer loop, the inner loop executes fully this is the key idea behind pattern problems. Understanding this concept improved my ability to break down problems step by step and visualize output clearly. I Practiced 16 Patterns 👇 #Java #Programming #Coding #LearningJourney #NestedLoops #PatternProgramming

for loop example for(int i = 1; i <= 5; i++) { System.out.println(i); } while loop example int i = 1; while(i <= 5) { System.out.println(i); i++; } You can write this as your caption: 🔹 Understanding the Difference Between for Loop and while Loop Both for and while loops are used for repeating tasks in programming. ✔ for loop is best when the number of iterations is known. ✔ while loop is useful when the loop depends on a condition and the number of iterations is unknown. Choosing the right loop improves code readability and efficiency. #Java #Programming #Coding #Loops #Learning #CodeGnan

PROBLEM #10 ⚡ , MOVE ZEROES, in #leetcode by using two pointer method. swapping the non zeroes to the left and the zeroes to the right. time complexity - o(n); #problemsolving #dsa #arrays #geeksforgeeks #java #programming #computerscience #developer #datastructuresandalgorithms

🔹 Reverse Number in Java – Logic + Implementation Strong fundamentals are key to becoming a better developer. This example demonstrates how to reverse a number using simple mathematical operations: • Extract last digit using modulus (%) • Build the reversed number step by step • Reduce the number using division (/) Such problems help improve logical thinking and coding efficiency. 🎥 I’ve also created a short video explaining this concept with code: YouTube link : https://lnkd.in/gfaafZWZ #Java #Programming #ProblemSolving #Coding #SoftwareDevelopment #Learning

🚀 Day - 24/100 : 📌 Problem : Binary Number with Alternating Bits 🔗 Problem Link : https://lnkd.in/gCDJXjEK 💡 Approach The goal is to check whether adjacent bits in the binary representation are different (i.e., 101010... pattern). Extract the last bit of the number using n & 1. Right shift the number using n >> 1 to move to the next bit. Again extract the next bit using n & 1. Compare the two bits: If they are equal, the number does not have alternating bits → return false. Continue this process until all bits are checked. If no two adjacent bits are the same, return true. #100DaysOfLeetCode #LeetCode #DSAWithKunal #Algorithms #Java #BitManipulation #CodingPractice #ProblemSolving #DeveloperJourney #Programming

Learning Polymorphism helped me understand how a single interface can represent multiple behaviors. In Java, the same method can perform different tasks depending on the object — making code more flexible, reusable, and powerful. Every new concept is another step toward becoming a better developer. 💻✨ #Java #Polymorphism #ObjectOrientedProgramming #CodingJourney #LearningEveryday #Programming #DeveloperLife

📌 Understanding the Fundamentals of Java For Loop A for loop is one of the most powerful control structures used for iteration. It operates based on three key components: 1️⃣ Initialization – Defines the starting point 2️⃣ Condition – Determines when the loop should stop 3️⃣ Step (Update) – Controls how the loop progresses 🔄 Execution Flow: Initialization → Condition → Execute → Step → Repeat 📈 Types of Iteration: • Forward Loop → Increment (i++) → Example: 1 to 9 • Backward Loop → Decrement (i--) → Example: 9 to 1 💡 Key Insight: A for loop is essentially movement across a number line with a defined start, end, and step. This simple visualization helps in understanding: ✔ Loop control ✔ Iteration logic ✔ Avoiding infinite loops #Java #SoftwareDevelopment #Programming #Coding #TechLearning

Solved “Valid Anagram” problem in Java today 💻 Learned how to efficiently check if two strings are anagrams using: • Sorting approach (clean but O(n log n)) • Frequency array approach (optimized O(n)) 🚀 Key takeaway: Choosing the right approach can significantly improve performance, especially for large inputs. Consistent practice with DSA is helping me strengthen problem-solving skills and think in terms of optimization. #Java #DSA #LeetCode #ProblemSolving #CodingJourney #Programming

🚀 ArrayList vs Vector – Difference Both ArrayList and Vector are dynamic arrays from the Java Collections Framework, but their design thinking is different. 🔹 ArrayList Designed for speed and performance Not synchronized (no built-in thread safety) Faster in single-threaded applications Modern collection class Grows by increasing size gradually (around 50%) 🔹 Vector Designed for safety first Synchronized (thread-safe by default) Slower because of locking Considered a legacy class Usually doubles its size when growing 💡 Concept Difference ArrayList → Performance-focused Vector → Safety-focused #Java #DataStructures #Collections #Programming #DSA #AnandKumarBuddarapu #Sakethkallepu #UppugundaSairam

🚀 New Post in my #TechnicalScripter2026 Series! Understanding the difference between == and .equals() in Java is essential for every developer. In this post, I explain how both work and when to use them while comparing objects. 🔗 Read the post here: https://lnkd.in/gmbmdmK6 #Java #Programming #CodingTips