hanlu" Open book exam. Howell, at all: all such devices must be either Slo You will be required to show your student ID when you hanu A C++ swit 1 CE EBNF descriptions for the following: (10 pts) C++ switch statement : switch(expression) { case constant-expression statement(s); case constant-expression : statement(s); // you can have ou can have any number of case statements. default : //Optional statement(s)