Why learn a few C lessons so that you can continue to give java?

Question

IT education

In the course, the teacher gives the first 4 lessons of the base C. introduction conditional operator cycles of functions.
But I don't understand why, it's trite printf in c and println in java. Connecting libraries, casting to a type, even if I correctly understood the different commands, the essence is clear, but the goal is not clear.

Answer 1

because the training gladius was four times heavier than the combat