Here we are trying to solve the design questions as easy as possible in java and document them.

• Spreadsheet
• File Management System
• Menu driven application without ui
• Railway Reservation System link1, link2
• Event management system(scheduling of jobs)
• Banking System
• Flight reservation system
• Kanzo Interpreter
• BOMBERMAN
• Rollback logic
• ball game
• Teris game
• lift system
• mail server
• Minesweeper
• Ballon game
• Invoice management link1,link2
• Toll payment processing
• tic-tac-toe game
• e-commerce
• dungeon game
• maze question
• text editor
• Call taxi booking
• sokoban puzzle game
• main.service.SplitWise
• A time table creator
• Project review system

###Advanced

• Github calender like ui

web hook (reverse api) Zapier