Need help on 6.5-6.7

Complete the program in How To 6.1 on page 272. Your program should read twelve temperature values and print the month with the highest temperature. Write a program that reads a set of floating-point values. Ask the user to enter the values (prompting only a single time for the values), then print the average of the values. the smallest of the values. the largest of the values. the range, that is the difference between the smallest and largest. Your program should use a class DataSet. That class should have a method public void add(double value) and methods getAverage, getSmallest, getLargest, and getRange. Translate the following pseudocode for finding the minimum value from a set of inputs into a Java program. Set a Boolean variable "first" to true. While another value has been read successfully If first it true Set the minimum to the value. Set first to false. Else if the value is less than the minimum Set the minimum to the value. Print the minimum. Translate the following pseudocode for randomly permuting the characters in a characters in a string into a Java program