g Design a class that holds the following data regarding a music album: artist, title, number of tracks, and year released. Write appropriate accessor and mutator methods. Also, write a program that creates three instances of the class. Each instance will hold information about a different music album. The program will display all of the information from all of the albums. A minimum of 3 albums is sufficient

Pp 4.1 design and implement a class called sphere that contains instance data that represents the sphere’s diameter. define the sphere constructor to accept and initialize the diameter and include getter and setter methods for the diameter. include methods that calculate and return the volume and surface area of the sphere (see pp 3.5 for the formulas). include a tostring method that returns a one-line description of the sphere. create a driver class called multisphere, whose main method instantiates and updates several sphere objects.

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Someone plzz me which of these defines a social search? a. asking a search engine a question that is answered by a real person on the other sideb. modifying search results based on popularity of a web pagec.modifying search results based on a ranking of a web page