In JAVA please

Question 2 (10 points): Write a program to evaluate the value of the following real valued function. Note: Your program should read x, y and z from the keyboard. Provide the function f as a method that takes these parameters and returns the value. Question 3 (10 points): Write a program that inputs a non negative integer, separates the integer into its digits and prints them separated by tabs each. For example, if the user types in 19081, the program should print: Note: Do not convert your integer to a String and use String class methods to print it. You need to have a method that takes any arbitrary positive integer as an argument. Use a paper and pencil to figure out the algorithm. Think about how to exploit integer division and remainder operator