Free Online Certification Courses – Learn Today. Lead Tomorrow. › Forums › Apache Spark › scala This topic has 1 reply, 1 voice, and was last updated 5 years, 6 months ago by DataFlair Team. Viewing 1 reply thread Author Posts September 20, 2018 at 11:28 pm #6497 DataFlair TeamSpectator Please advise the difference between -> and =>(rocket) and <- I can see that -> is used in map collection => is used in case statements and foreach loop <- is used in for loop need to know whats the exact difference and how it works. September 20, 2018 at 11:28 pm #6498 DataFlair TeamSpectator I think following link will solve your doubt: https://stackoverflow.com/questions/7888944/what-do-all-of-scalas-symbolic-operators-mean Happy Learning Author Posts Viewing 1 reply thread You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Signup / Login with Google Log In