The video tutorial introduces the use of System.out.println in Java, demonstrating how to pass numeric expressions and string literals to it. It includes exercises to print 'Hello World', display '5 into 3' as a string, calculate and print the result of 5 * 3, print the multiplication table of 5, and calculate the number of seconds in a day. The tutorial concludes with a review of the syntax used in these exercises.

What new insight or understanding did you gain from this video?