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 class Student ( String name; int id; double cgpa; public Student (String name, int id, double cgpa) { name; this.name this.id = id; this.cgpa cgpa; public Student (String name) { this.name = name; this.id = -1; this.cgpa= -1; public class Main { public static void main(String[] args) { ArrayList list = new ArrayList (); 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));
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 class Student ( String name; int id; double cgpa; public Student (String name, int id, double cgpa) { name; this.name this.id = id; this.cgpa cgpa; public Student (String name) { this.name = name; this.id = -1; this.cgpa= -1; public class Main { public static void main(String[] args) { ArrayList list = new ArrayList (); 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));
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question
23
![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
class Student {
String name;
int id;
double cgpa;
public Student (String name,
int id,
}
double cgpa) {
name;
this.name
this.id = id;
this.cgpa= cgpa;
public Student (String name) {
this.name = name;
this.id = -1;
this.cgpa = -1;
public class Main {
public static void main(String[] args) {
ArrayList<Student> list = new ArrayList ();
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));](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8308dc7f-4bcc-4d92-bcf3-fb6719406629%2F7f3ef59e-2644-48c7-a827-5063bce2a8bd%2F3j1kgsh_processed.png&w=3840&q=75)
Transcribed Image Text: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
class Student {
String name;
int id;
double cgpa;
public Student (String name,
int id,
}
double cgpa) {
name;
this.name
this.id = id;
this.cgpa= cgpa;
public Student (String name) {
this.name = name;
this.id = -1;
this.cgpa = -1;
public class Main {
public static void main(String[] args) {
ArrayList<Student> list = new ArrayList ();
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));
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