I need help with this My Programming lab question

Given a String variable response that has already been declared, write some code that repeatedly reads a value from standard input into response until at last a Y or y or N or n has been entered. ASSUME the availability of a variable, stdin, that references a Scanner object associated with standard input. SUBMIT 3 of 3: Mon Feb 17 2020 11:31:55 GMT-0500 (EST) do 4 response = stdin.next(); 6 }while( (response!="Y" I "y"||"N"||"n"))