Java programming. Please do not use arrays. otherwise, i have to repost it again. thanks

Business P5.29 In a social networking service, a user has friends, the friends have other friends, and so on. We are interested in knowing how many people can be reached from a person by following a given number of friendship rela- tions. This number is called the "degree of separation: one for friends, two for friends of friends, and so on. Because we do not have the data from an actual social network, we will simply use an average of the number of friends per user Write a recursive method public static double reachablePeopleCint degree, double averageFriendsPerUser) Use that method in a program that prompts the user for the desired degree and average, and then prints the number of reachable people. This number should include the original user 244 Chapter 5 Methods Business P5.30 Having a secure password is a very important practice, when much of our informa tion is stored online. Write a program that validates a new password, following these rules: . Th e password must be at least 8 characters long. e password must have at least one uppercase and one lowercase letter The password must have at least one digit. Write a program that asks for a password, then asks again to confirm it. If the passwords don't match or the rules are not fulfilled, prompt again. Your program should include a method that checks whether a password is valid