Make the following class generic so that it can deal with an arbitrary class rather than only Dog instances public class BunchOfStuff { private ArrayList group = new ArrayList<>); public Dog get() { return group.remove(0); } public void insert(Dog value) { group.add(value); } }
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- Assume Student and GradeBook classes are defined as follows: public class Student { int id; double testsMarks[]; public double getAverage(){ double sum = 0; for(double marks : testsMarks) { sum+=marks; } return sum/testsMarks.length; } } import java.util.ArrayList; public class GradeBook { String subject; ArrayList<Student> students; public Student getStudentWithMinAverage(){ } } Define the body of getStudentWithMinAverage method that shall return the student object from students ArrayList who got minimum average marks in the class. (Please write minimum code and make use of provided code, making no change in classes' structure)Computer Science create a method +addToList(o:E):void that adds the object (o) to the ArrayList referenced by the instance variable list. create a method +removeFromBackOfList():E that removes the object at the back of the ArrayList and returns it.make this code workable import java.util.ArrayList; public class Album { private String title, artist; private int year; private ArrayList<Songs> songs; public Album() { title = ""; artist = ""; year = 0; songs = new ArrayList<>(); } public Album(String title, String artist, int year, ArrayList<Song> songs) { super(); this.title = title; this.artist = artist; this.year = year; this.songs = songs; } /** * @return the title */ public String getTitle() { return title; } /** * @param title the title to set */ public void setTitle(String title) { this.title = title; } /** * @return the artist */ public String getArtist() { return artist; } /** * @param artist the artist to set */ public void setArtist(String artist) { this.artist = artist; } /** * @return the year */ public int getYear() { return year; } /** * @param year the year to set */ public void setYear(int year) { this.year = year; } /** * @return the songs */ public ArrayList<Song>…
- public class MyArrayList<E> { private int size; private E[] data; private int MAXELEMENTS = 100; public MyArrayList() { data = (E[])new Object[MAXELEMENTS]; size = 0; } public int getMAXELEMENTS(){ return MAXELEMENTS; } public boolean checkSpace() { if (size+1<MAXELEMENTS) return true; else return false; } public void add(int index, E e) { if (index < 0 || index > size) throw new IndexOutOfBoundsException ("Index: " + index + ", Size: " + size); for (int i = size - 1; i >= index; i--) data[i + 1] = data[i]; data[index] = e; size++; } public boolean contains(Object e) { for (int i = 0; i < size; i++) if (e.equals(data[i])) return true; return false; } public E get(int index) { if (index < 0 || index >= size) throw new…Redesign LaptopList class from previous project public class LaptopList { private class LaptopNode //inner class { public String brand; public double price; public LaptopNode next; public LaptopNode(String brand, double price) { // add your code } public String toString() { // add your code } } private LaptopNode head; // head of the linked list public LaptopList(String fname) throws IOException { File file = new File(fname); Scanner scan = new Scanner(file); head = null; while(scan.hasNextLine()) { // scan data // create LaptopNode // call addToHead and addToTail alternatively } } private void addToHead(LaptopNode node) { // add your code } private void addToTail(LaptopNode node) { // add your code } private…import java.util.ArrayList; public class Bus { privateStringname; privateintsize; privateintbasePrice; privateArrayList<Trip>approvedTrips; privateintlevel;// 1,2,3 for low,medium, high repectively; privateintid; privatestaticintnextId=0; privateMinistrymny; protectedStringtripTypes; privateintgetNextId(){ returnnextId++; } publicBus(){ approvedTrips=newArrayList<Trip>(); } publicBus(Stringname,intsize,intbasePrice,intlev,Ministrymny){ approvedTrips=newArrayList<Trip>(); this.name=name; this.size=size; this.basePrice=basePrice; this.level=lev; this.id=getNextId(); this.mny=mny; tripTypes="BASICTRANSPORT"; } publicbooleanavailable(Datedate){ booleanretval=true; for(Tript:approvedTrips) if(t.getDate().getDay()==date.getDay()) retval=false; returnretval; } publicintgetBasePrice(){ returnbasePrice; } publicintgetId(){ returnid; } publicStringgetName(){ returnname; } publicdoublegetSize(){ returnsize; } publicStringtoString(){ returnname; }…
- public class CustomLinkedList { public static int findMax(IntNode headObj) { /* Type your code here */ } public static void main(String[] args) { IntNode headObj; IntNode currObj; IntNode lastObj; int i; int max; // Create head node headObj = new IntNode(-1); lastObj = headObj; // Add nodes to the list for (i = 0; i < 20; ++i) { currObj = new IntNode(i); lastObj.insertAfter(currObj); lastObj = currObj; } max = findMax(headObj); System.out.println(max); }}import java.util.ArrayList; public class Borrower{ public int id; } public String password; public String name; public String address; public int phoneNo; public ArrayList books; public ArrayList bookTitles; public Borrower (int id, String name, String address, int phoneNum) { password = Integer.toString(id); this.name = name; this.address = address; phoneNo= phoneNum; books = new ArrayList(); book Titles = new ArrayList(); } public void printInfo() { } System.out.println(". System.out.println("\nThe System.out.println("ID: + id); System.out.println("Name: + name); System.out.println("Address: + address); System.out.println("Phone No: books.add(isbn); details are: \n"); } public void issueBook (String isbn, String title) { book Titles.add(title); "I + phoneNo + "\n"); -");public class GameList {Game head;public GameList() {head = null;}public void addFront(String n, int min) {Game g = new Game(n, min);g.next = head;head = g;}} Add a tail pointer
- Java programming language I have to create a remove method that removes the element at an index (ind) or space in an array and returns it. Thanks! I have to write the remove method in the code below. i attached the part where i need to write it. public class ourArrayList<T>{ private Node<T> Head = null; private Node<T> Tail = null; private int size = 0; //default constructor public ourArrayList() { Head = Tail = null; size = 0; } public int size() { return size; } public boolean isEmpty() { return (size == 0); } //implement the method add, that adds to the back of the list public void add(T e) { //HW TODO and TEST //create a node and assign e to the data of that node. Node<T> N = new Node<T>();//N.mData is null and N.next is null as well N.setsData(e); //chain the new node to the list //check if the list is empty, then deal with the special case if(this.isEmpty()) { //head and tail refer to N this.Head = this.Tail = N; size++; //return we are done.…The class diagram below shows an Order class that "has a" Customer and zero or more Items. Order class should contain private Customer m_cust; private ArrayList<Item> m_items; public Order(Customer cus t) public void additem(Item i) public String toString() Item class should contain private String m_desc private int m_qty private double m_price public Item(String des c, double price, int qty) public String toString() Customer class should contain private String m_first; private String m_last; public Customer(String first, String last) public String toString() Please create the Order, Customer, and Item classes shown above. I have provided you with a read-only Main class that you can use to test your code. When you have completed the Order, Customer, and Item classes, running the Main program should produce the following output: Order for Smith, Tom Order Items: Greeting Card: 1 at 1.5 Baseball Glove: 1 at 54.0 Notebook: 3 at 2.5 public class Main{ public static void…This is a subclass and doesn't has a main method yet. class Vector{Object items[];int length;int size; void Grow(){// Duplicate sizesize = size * 2; // Allocate new itemsObject new_items[] = new Object[size]; // Copy old itemsfor (int i = 0; i < length; i++)new_items[i] = items[i]; // Discard old itemsitems = new_items; // MessageSystem.out.println("Growing capacity to " + size + " elements");} public Vector(){size = 2;items = new Object[2];} public void Print(){// MessageSystem.out.println("Content:"); // Traversefor (int i = 0; i < length; i++)System.out.println(items[i]);} public void Insert(int index, Object item){// Check indexif (index < 0 || index > length){System.out.println("Invalid index");return;} // Grow if necessaryif (length == size)Grow(); // Shiftfor (int i = length - 1; i >= index; i--)items[i + 1] = items[i]; // Insertitems[index] = item; // One more itemlength++; // MessageSystem.out.println("Inserted " + item);} public void Add(Object…