Ex 10.2 – draw and annotate a class hierarchy that represents various types of animals in a zoo. show what characteristics would be represented in the various classes of the hierarchy. explain how polymorphism could play a role in guiding the feeding of the animals.

Write an application that allows a user to enter the names and birthdates of up to 10 friends. continue to prompt the user for names and birthdates until the user enters the sentinel value “zzz” for a name or has entered 10 names, whichever comes first. when the user is finished entering names, produce a count of how many names were entered, and then display the names. in a loop, continuously ask the user to type one of the names and display the corresponding birthdate or an error message if the name has not been previously entered. the loop continues until the user enters “zzz” for a name. save the application as birthdayreminder.java.

Exchanging which type of data uses the least bandwidth? music photographs video voice bandwidth- the amount of data that can be moved between two points in a set time period

Which option should u select to ignore all tracked changes in a document