Revise the class Pet, as shown in Listing 6.1 of Chapter 6, so that it is serializable. Write a program that allows you to write and read objects of type Pet to a file. The program should ask the user whether to write to a file or read from a file. In either case, the program next asks for the file name. A user who has asked to write to a file can enter as many records as desired. A user who has asked to read from a file is shown all of the records in the file. Be sure that the records do not scroll by so quickly that the user cannot read them. Think of a way to pause the program after a certain number of lines are displayed.

Listing 6.1

Transcribed Image Text:

/** Class for basic pet data: name, age, and weight. */ public class Pet { private String name; private int age; private double weight; //in pounds //in years public Pet () { Default constructor name = "No name yet."; age = 0; weight = 0; } ipublic Pet (String initial Name, int initialAge, double initialWeight) name = initial Name; if ((initialAge < 0) || (initialWeight < 0)) { System.out.printin("Error: Negative age or weight."); System.exit (0); else { age = initialAge; weight = initialWeight; } ipublic void setPet (String newName, int newAge, double newweight) { name = newName; if ((newAge < 0) || (newweight < 0)) { System.out.println("Error: Negative age or weight."); System.exit (0); } el se { age newAge; weight = newWeight; }