Complete each of the following sentences with a proper word from the box. Change the form where necessary. conform violate commercial solid be on one’s toes appeal to blemish 4. You must either _________ to the rules or leave the school.
【单选题】已知定义publicclassEmployeepublicclassManagerextendsEmployeepublicclassContractorextnedsEmployeeManagerm=new Manager();则表达式m instance of Employee的值为()