I am looking for your guidance

I have started Judo (1 lesson) and was told there are no strikes involved then I saw goshin jutsu kata performed on you tube by kodokan judoka. Read more into it via the google search button.

This has lead me to believe there are different schools of judo offering different things. Am I correct?

Does Judo have strikes or not, or is it dependant on the Instructor you have?

Thanks for you guidance and thoughts

A man is but the product of his thoughts what he thinks, he becomes.