This Sudoku solving algorithm uses bit manipulation hence instead of searching for an unused column and checking which number [1-9] can be placed in a particular cell, this algorithm iterates through all the valid cells and puts number [1-9] that can be placed such that row, column and mini-grid contains one of each number [1-9]

Website design for online unreserved ticket booking following the MVC pattern (4th year) o View: The web part had HTML pages (created from JSP), designed using Bootstrap o Controller: Servlets to update the model's state & send commands to its associated view to change the view's presentation o Model: MySQL database to store the data. JDBC API for querying and updating data in the database