🚀 Day 17/30 – Java Coding Challenge Problem Statement: Given a string s and a dictionary of words, determine whether s can be segmented into a space-separated sequence of one or more dictionary words. This problem tests understanding of Dynamic Programming and efficient string handling. Approach: Used Dynamic Programming where dp[i] indicates whether the substring from index 0 to i can be segmented. Initialized dp[0] = true as the base case. Converted the word dictionary into a HashSet for faster lookups. Iterated through the string and checked all possible substrings. If a valid word is found and the previous state is reachable, mark the current index as true. Key Learnings: ✅ How to break complex string problems using DP ✅ Optimizing lookups using HashSet ✅ Importance of base cases in dynamic programming 📌 LeetCode Submission: Accepted 🧠 Concepts Used: Dynamic Programming, HashSet, String Manipulation #Day15 #30DaysOfCode #Java #LeetCode #DynamicProgramming #CodingChallenge #DSA #Consistency #LearningJourney
Java Dynamic Programming Challenge: String Segmentation
More Relevant Posts
-
Day-11🚀 Comparing Strings in Java – Key Methods Explained! Understanding how to compare strings correctly in Java is essential for writing clean and bug-free code. Here’s a quick breakdown of the most important methods: 🔸 == Operator – Compares memory references (checks if both variables point to the same object). 🔸 equals() Method – Compares the actual content of strings. 🔸 compareTo() Method – Performs lexicographical (dictionary-order) comparison and returns a positive, negative, or zero value. 🔸 equalsIgnoreCase() Method – Compares content while ignoring case differences. 💡 Key Takeaway: Use equals() for content comparison, == for reference checks, compareTo() for sorting logic, and equalsIgnoreCase() when case sensitivity doesn’t matter. Consistency + Practice = Progress! 💻✨ #Java #Programming #Coding #Learning #SoftwareDevelopment #TapAcademy
To view or add a comment, sign in
-
-
Day 4 | Core Java Revision 📘 Today I revised Core Java fundamentals in detail to strengthen my base. Topics revised include: • Java and its features • Programming language basics • Tokens and their types • Java architecture (Source code → Compiler → Bytecode → Interpreter → Output) • Class and Object • Variables (Types: Primitive & Non-primitive | Classification: Local & Global) • Methods • Modifiers (Types: static & non-static) • JVM memory areas • Reference variables • Composition • Constructors and rules • this keyword • Inheritance and its types Focusing on understanding concepts clearly and revising step by step 🌱 Building a strong foundation before moving to advanced concepts 🚀 #CoreJava #JavaDeveloper #LearningJourney #Programming #MCAGraduate
To view or add a comment, sign in
-
-
Created this visual revision cheat sheet to consolidate key Core Java concepts discussed in class, with a strong focus on method execution flow and JVM memory behavior. The content highlights: How Java programs execute starting from the main() method Stack vs Heap responsibilities and memory allocation Method declaration structure and different method types Stack frames and LIFO execution principle Object creation using new and reference handling Difference between return and print Object lifecycle and automatic garbage collection This revision exercise helped strengthen my conceptual understanding of Java internals, going beyond syntax to understand what happens behind the scenes in memory—an essential skill for writing efficient, maintainable, and interview-ready code. Grateful for the structured learning and guidance from Tap Academy. Consistent learning, continuous revision, and strong fundamentals 🚀 #CoreJava #JavaProgramming #JVM #MemoryManagement #JavaMethods #ObjectOrientedProgramming #StudentDeveloper #LearningJourney #TapAcademy
To view or add a comment, sign in
-
-
Today, I strengthened my understanding of Method Overloading in Java — an important concept of compile-time polymorphism. 🔹 Key Rules I Learned: ✔ Method name must be the same ✔ The number of parameters can be different ✔ The data type of parameters can be different ✔ The order of parameters can be different ✔ Changing only the return type does NOT support overloading 🔹 Understanding Type Promotion Java follows this order during method resolution: byte → short → int → long → float → double Java first looks for an exact match. If not found, it promotes the smaller data type to the next higher type. Practicing these fundamentals is helping me build a strong base in Core Java and improve my problem-solving skills step by step. TAP Academy #Java #CoreJava #MethodOverloading #Programming #JavaDeveloper #LearningJourney
To view or add a comment, sign in
-
-
🚀 Day 4 – Working of main() Method in Java ☕💡 📌 The main() method is the entry point of any Java program. This is where the JVM starts executing the code. 🧩 Syntax Breakdown 🔹 public – Accessible from anywhere 🔹 static – JVM can call it without creating an object 🔹 void – No return value 🔹 String[] args – Used to accept command-line arguments ⚙️ Execution Flow ▶️ Program runs ▶️ JVM starts ▶️ main() method is invoked ▶️ Code executes line by line 💡 Understanding how main() works builds a strong base for mastering Java execution flow. 📚 Learning Java step by step, one concept at a time 💪🔥 TAP Academy Sharath R #Java #Day4Learning #MainMethod #JVM #ExecutionFlow #JavaBasics #CodingJourney 🚀☕
To view or add a comment, sign in
-
-
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 🚀
To view or add a comment, sign in
-
-
Java Tutorial 10 🚀 ► https://lnkd.in/gzBxxNGR ► Learn how to find the range of all primitive data types in Java. This tutorial covers memory allocation and value ranges for each type. Follow the example code to print the minimum and maximum values of byte, short, int, long, float, double, char, and boolean. Ideal for Java beginners! Java Tutorials Playlist: ► https://lnkd.in/g-MdeE8X #Java #Programming #Coding #JavaTutorial #LearnJava #SoftwareDevelopment
To view or add a comment, sign in
-
-
📘 Day 20 | Core Java Series The `static` keyword is one of the most important concepts in Java. This visual explains: 👉 static variables 👉 static methods 👉 static blocks 👉 static classes Remember this: static → class level non-static → object level Once this is clear, Java execution flow makes much more sense. 📌 Save this for revision 💬 Feedback is welcome #Java #CoreJava #LearningInPublic #JavaBasics #Programming
To view or add a comment, sign in
-
-
🔹 Abstraction in Java 🔹 Hiding Complexity, Showing Only What Matters Abstraction is one of the core pillars of Object-Oriented Programming (OOP) in Java. It focuses on exposing only the essential features of an object while hiding the internal implementation details. 🚗 Real-world example: When you drive a car, you only use actions like start, accelerate, and brake. You don’t need to know how the engine, gears, or fuel injection system works internally — that complexity is hidden. 💡 In Java: Abstraction is achieved using: Abstract classes Interfaces It helps to: ✔ Reduce complexity ✔ Improve security ✔ Increase code flexibility ✔ Support loose coupling ✔ Make systems easier to maintain and extend 📌 “Focus on what an object does, not how it does it.” #Java #OOP #Abstraction #JavaConcepts #Programming #SoftwareEngineering #LearningJava #DeveloperLife #TapAcademy TAP Academy, Sharath R
To view or add a comment, sign in
-
-
Java Tutorial 10 🚀 ► https://lnkd.in/gXaFeHgE ► Learn how to find the range of all primitive data types in Java. This tutorial covers memory allocation and value ranges for each type. Follow the example code to print the minimum and maximum values of byte, short, int, long, float, double, char, and boolean. Ideal for Java beginners! Java Tutorials Playlist: ► https://lnkd.in/gz2_iusM #Java #Programming #Coding #JavaTutorial #LearnJava #SoftwareDevelopment
To view or add a comment, sign in
-
Explore content categories
- Career
- Productivity
- Finance
- Soft Skills & Emotional Intelligence
- Project Management
- Education
- Technology
- Leadership
- Ecommerce
- User Experience
- Recruitment & HR
- Customer Experience
- Real Estate
- Marketing
- Sales
- Retail & Merchandising
- Science
- Supply Chain Management
- Future Of Work
- Consulting
- Writing
- Economics
- Artificial Intelligence
- Employee Experience
- Workplace Trends
- Fundraising
- Networking
- Corporate Social Responsibility
- Negotiation
- Communication
- Engineering
- Hospitality & Tourism
- Business Strategy
- Change Management
- Organizational Culture
- Design
- Innovation
- Event Planning
- Training & Development