What is the purpose of switch case?

Answer 1

switch case is you for predefined condition when you perfectly knows that what you want to compare. if can we use to check any type of condition . but when you are using switch you should know the perfect value.
I am unable to explain this is explained manner but I provided some over view of it

Answer 2

Thank you

Answer 3

ty and sorry for typos because my phone's autocorrect is shitty

Answer 4

usefull for things like menus where users make a selection from one of a known list of options.