answer the questions throughout the program

public class Diary{ private ArrayList myDays; } public int getNumdays() { //Question1: this method returns the number of days in the collection }public int getSunnyDayCount() { //Question2: this method wil return the number of days that are sunny } public Day findBestDay() { //question3: this method finds the best Day as defined by the days being comparable, if there are no days in the collection, return null, if the are 2 " best " days, return one of them. } public String toString() { //Question 4 : implement the tostring method.besides returning each of the days in the diary, return number of sunny days }