Question 5 [4 +41 Write codes to complete the following the two tasks for the provided codes: A. Find whether any student object with name "Peter" exists in the list using the contains method of the list" object. Add required methods into the "Student" class to use the contains method B. Now sort the "list" in descending order of CGPA using Comparator public class Main public static void main(String[] args) { ArrayList list = new ArrayList(); class Student String name; int id; double cgpa; public Student (String name, int id, double cgpa)! this.name = name; this.id = id; this.cgpa = cgpa; } list.add(new Student ("Wizard", 3, 3.88)); list.add(new Student ("Peter", 2, 3.5)); list.add(new Student ("Wanda", 1, 3.88)); list.add(new Student ("Thanos", 41, 3.9)); list.add(new Student ("Yelena", 7, 3.75)); list.add(new Student ("Thor", 15, 3.89)); } public Student (String name) { this.name = name; this.id = -1; this.cgpa - -1