Geeksforgeeks - Java App Development - Winter T... Page

The next morning, Arjun Sir ran their demo. The app opened. A mess worker added “Order 50 eggs.” Three student devices pinged simultaneously. He assigned a task to Riya’s ID. Her app showed a badge – “Task overdue: Confirm egg delivery.”

Kabir snorted. “That’s not funny anymore.” GeeksForGeeks - Java App Development - Winter T...

But Riya had just noticed something. The userRole variable wasn’t null because of bad input. It was null because the file reader was skipping the first line of their .csv user database – the header row. She fixed the BufferedReader logic, added a trim, and ran it. The next morning, Arjun Sir ran their demo

Silence.

Later, certificate in hand, Riya stood outside in the snow. Kabir held up his phone. “Look.” Their app, still running on his laptop back in the lab, had just pushed a notification: “Winter Training – Complete. Great work, Team.” He assigned a task to Riya’s ID

Two hours later, a soft ding echoed from Kabir’s laptop. A pop-up appeared on both their screens: “New task: Inventory check – 5 kg potatoes remaining.”