AP Computer Science & Java/Python Tutor | Cybersecurity | Oxford grad

I am an experienced software engineer, cybersecurity professional, and educator with 30+ years in IT and development. I specialize in AP Computer Science (Java), Python programming, college CS1/CS2, and cybersecurity fundamentals. I also provide CompTIA certification prep, career coaching, and technical interview guidance. Programming & Computer Science ? AP Computer Science A (Java) ? AP Computer Science Principles ? Java and Python (beginner to advanced) ? Algorithms, data structures... Read More >>