Jay Biswas

CSE (AI & ML) 🎓 | Web3 Enthusiast | Python | Java ☕ | DSA | AI & ML |Full stack Web Developer
Learning. Building. Improving.
#100DaysOfCode

[Jay Biswas @jaybiswas725]

🌕✨ Full Moon Fest was a great experience! Met fellow builders, exchanged ideas, learned from the community, and enjoyed the energy of building together with @riseinweb3 × @MidnightNtwrk. 🚀
#FullMoonFest #RiseIn #Midnight #Web3 #Kolkata

[Jay Biswas @jaybiswas725]

Day 28 of #100DaysOfCode 🚀
📌Time & Space Complexity:
•Understanding Big-O notation & calculation rules
•Calculating total & auxiliary space complexity
•Solved“Find Duplicate in Array” using different approaches with different time complexities
#Java #DSA #BigO #CodingJourney

[Jay Biswas @jaybiswas725]

Day 27 of #100DaysOfCode 🚀
📌 Continued OOPs in Java:
• Abstraction & Inheritance
• final & static keywords
• Complex number ops (add, subtract, multiply, divide)
• Fraction ops + simplify
• Built my own ArrayList
OOP concepts getting stronger
#Java #OOP #DSA #CodingJourney

[Jay Biswas @jaybiswas725]

Day 26 of #100DaysOfCode 🚀
📌 Continued OOPs in Java:
• private keyword
• Encapsulation
• Constructors
• this keyword
Understanding how objects really work💻
#Java #OOP #CodingJourney

[Jay Biswas @jaybiswas725]

Day 25 of #100DaysOfCode 🚀
📌 Started OOPs in Java:
• User-defined data types
• Classes & Objects
• Passing objects to methods
• Introduction to Polymorphism
• Implementation of Polymorphism
#Java #OOP #CodingJourney

[Jay Biswas @jaybiswas725]

@Tanushree_171 Big congratulations Tanushree on starting your #100DaysOfCode journey
The hardest part is showing up daily and you’ve already taken that step!
Stay consistent, keep building, keep failing, keep learning… success will follow automatically...
Stat consistent 🔥

[Jay Biswas @jaybiswas725]

Day 24 of #100DaysOfCode 🚀
📌 Java Strings & DSA today:
• Interning & new keyword
• StringBuilder & its uses
• Reverse using StringBuilder
• Sum of all substrings of a number (GFG)
• Anagram check (GFG)
• Maximum occurring character(GFG)
#Java #DSA #CodingJourney

[Jay Biswas @jaybiswas725]

Day 23 of #100DaysOfCode 🚀
📌 Strings in Java:
• int → String conversion
• Counting digits using s.length()
• String to char array
• substring() basics
• Printing all substrings
Diving deeper into string manipulation 🔤💻
#Java #DSA #CodingJourney

[Jay Biswas @jaybiswas725]

Day 22 of #100DaysOfCode 🚀
📌 Strings in Java:
• Passing string to methods
• String Concatenation & + operator
• Built-in string methods
• compareTo()
• GFG: change case based on first character
Getting comfortable with string handling 🔤💻
#Java #DSA #CodingJourney

[Jay Biswas @jaybiswas725]

@LessonsFromProd Thanks Mark 😃

[Jay Biswas @jaybiswas725]

Day 21 of #100DaysOfCode 🚀
📌 Started Strings in Java:
• Taking string input
• .length() & .charAt()
• Counting vowels
• Checking palindrome in strings
#Java #DSA #CodingJourney

[Jay Biswas @jaybiswas725]

Quick update 📚
Busy with class test preparation, so I can’t post daily for now.
The #100DaysOfCode journey isn’t stopping - just slowing down ⏳
Will continue the series very soon 🚀
#CodingJourney

[Jay Biswas @jaybiswas725]

Day 20 of #100DaysOfCode 🚀
📌 Practiced DSA on GeeksforGeeks:
• Sort in Wave array
• Segregate 0s & 1s
• Search in array
• Find missing element
More patterns, better logic 📊💻
#Java #DSA #CodingJourney

[Jay Biswas @jaybiswas725]

Day 19 of #100DaysOfCode 🚀
📌 DSA practice in Java today:
• Solved array rotation problems on GeeksforGeeks
• Learned and used the for-each loop
Writing cleaner loops & improving logic 📊💻
#Java #DSA #CodingJourney

[Jay Biswas @jaybiswas725]

Day 18 of #100DaysOfCode 🚀
📌 Continued array practice in Java:
• Finding the second maximum element
• Solved the Two Sum problem
Strengthening problem-solving with arrays 💪📊
#Java #DSA #CodingJourney

[Jay Biswas @jaybiswas725]

Day 17 of #100DaysOfCode 🚀
📌 Continued with Arrays in Java:
• Sorting array elements
• Searching an element
• Passing arrays to functions
Arrays getting clearer, DSA journey on 📊💻
#Java #DSA #CodingJourney

[Jay Biswas @jaybiswas725]

Day 16 of #100DaysOfCode 🚀
📌 Started Data Structures in Java!
First topic: Arrays
• Taking input in arrays
• Sum & product of elements
• Finding max & min elements
Stepping into DSA mode 💪📊
#Java #DSA #CodingJourney

[Jay Biswas @jaybiswas725]

Day 15 of #100DaysOfCode 🚀
📌 Java learning today:
• Pascal’s Triangle
• Scope of variables
• Local & global variable
• Swapping two numbers
• Formal vs Actual parameters
Concepts getting deeper each day ☕💻
#Java #CodingJourney #LearnJava

[Jay Biswas @jaybiswas725]

Day 14 of #100DaysOfCode 🚀
Learned return types & return keyword in Java
Applied them to calculate:
• Permutations (nPr)
• Combinations (nCr)
Understanding how methods return results 🔁💻
#Java #CodingJourney

[Jay Biswas @jaybiswas725]

Day 13 of #100DaysOfCode 🚀
Learned more about user-defined functions in Java:
• Passing arguments
• Real use cases
• Greeting a name
• Adding two numbers using methods
Writing cleaner & reusable code 📷💻
#Java #CodingJourney #learnjava