Midterm 2

Weeks 5–7: classes & objects, encapsulation, inheritance, polymorphism & dynamic dispatch, interfaces & default methods, custom checked/unchecked exceptions, and file I/O. Four full-length autograded practice exams.

Practice exams

60 min100 pts

Practice Exam 1

10 free-response coding challenges across Aviation, IoT, Fintech, Clean Energy, Healthcare, Logistics, Cybersecurity, Sports, Music, and Marine Engineering themes.

10 questionsOpen exam
60 min100 pts

Practice Exam 2

10 free-response challenges across Electric Vehicles, Libraries, Robotics, Accounting, Gastronomy, Automotive, Instrumentation, Networking, Finance, and Space Exploration themes.

10 questionsOpen exam
60 min100 pts

Practice Exam 3

10 free-response challenges across Beverage, Meteorology, Cloud Storage, Wearable Tech, Entertainment, Education, Banking, Supply Chain, Cloud Computing, and AgTech themes.

10 questionsOpen exam
60 min100 pts

Practice Exam 4

10 free-response challenges across Digital Media, Navigation, Chemical Engineering, Information Security, Public Utilities, Postal & Courier, DevOps, Blood Bank, Urban Planning, and Nuclear Engineering themes.

10 questionsOpen exam