Records and Keys in C++ The records (from a class Record) that are stored in the list being searched generally called the list) must conform to the following minimal standards: Every record is associated to a key of a type or class called Key) Key objects can be compared with the standard operators !=,<,><=,> There is a conversion operation to turn any record into its associated Key.Records and Keys in C++ The records (from a class Record) that are stored in the list being searched (generally called the list) must conform to the following minimal standards: ◆Every Record is associated to a key (of a type or class called Key). ◆Key objects can be compared with the standard operators == , != , <, >, <= , >= . ◆There is a conversion operation to turn any Record into its associated Key