You should fill in the blank in the following code with class test {public static void main(string[] args) {system. out. print("the grade is "); printgrade(78.5); system. out. print("the grade is "); printgrade(59.5); }public static printgrade(double score) {if (score > = 90.0) {system. out. println('a'); }else if (score > = 80.0) {system. out. println('b'); }else if (score > = 70.0) {system. out. println('c'); }else if (score > = 60.0) {system. out. println('d'); }else {system. out. println('f'); }}}a. int. b. double. c. boolean. d. char. e. void.

Entering key dates from your course syllabi test and quiz dates, assignments due dates in your planner can you manage your schedule by allowing you to see commitments ahead of time.

Acetylene is a gas which burns rapidly on its own, and is considered highly explosive. a) true b) false

Consider the following code snippet: #ifndef cashregister_h#define cashregister_hconst double max_balance = 6000000.0; class cashregister{public: cashregister(); cashregister(double new_balance); void set_balance(double new_balance); double get_balance() const; private: double balance[12]; }; double get_monthly_balance(cashregister bk, int month); #endifwhich of the following is correct? a)the header file is correct as given.b)the definition of max_balance should be removed since header files should not contain constants.c)the definition of cashregister should be removed since header files should not contain class definitions.d)the body of the get_monthly_balance function should be added to the header file.