Update :

Java (for semester purpose) :https://youtube.com/playlist?list=PLqleLpAMfxGCbdaJ6SoExDfHrTfRDeWeG

Operating System :https://youtube.com/playlist?list=PLxCzCOWd7aiGz9donHRrE9I3Mwn6XdP8p

Compiler Design :https://youtube.com/playlist?list=PL1QH9gyQXfguPNDTsnG90W2kBDQpYLDQr

Software Engineering :https://youtube.com/playlist?list=PLxCzCOWd7aiEed7SKZBnC6ypFDWYLRvB2

Artificial Intelligence :https://youtube.com/playlist?list=PLxCzCOWd7aiHGhOHV-nwb0HR5US5GFKFI