2. The class PetShop has a single field as defined below: private ArrayList petList; Define a method to print out the details of all cats in petList in PetShop.
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2. The class PetShop has a single field as defined below: private ArrayList petList;
Define a method to print out the details of all cats in petList in PetShop.
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- Given a base Plant class and a derived Flower class, complete main() to create an ArrayList called myGarden. The ArrayList should be able to store objects that belong to the Plant class or the Flower class. Create a method called printArrayList(), that uses the printInfo() methods defined in the respective classes and prints each element in myGarden. The program should read plants or flowers from input (ending with -1), add each Plant or Flower to the myGarden ArrayList, and output each element in myGarden using the printInfo() method. Ex. If the input is: plant Spirea 10 flower Hydrangea 30 false lilac flower Rose 6 false white plant Mint 4 -1 the output is: Plant 1 Information: Plant name: Spirea Cost: 10 Plant 2 Information: Plant name: Hydrangea Cost: 30 Annual: false Color of flowers: lilac Plant 3 Information: Plant name: Rose Cost: 6 Annual: false Color of flowers: white Plant 4 Information: Plant name: Mint Cost: 4 import java.util.Scanner;import java.util.ArrayList;import…Complete the Course class by implementing the courseSize() method, which returns the total number of students in the course. Given classes: Class LabProgram contains the main method for testing the program. Class Course represents a course, which contains an ArrayList of Student objects as a course roster. (Type your code in here.) Class Student represents a classroom student, which has three fields: first name, last name, and GPA. Ex. For the following students: Henry Bendel 3.6 Johnny Min 2.9 the output is: Course size: 2 public class LabProgram { public static void main (String [] args) { Course course = new Course(); // Example students for testing course.addStudent(new Student("Henry", "Bendel", 3.6)); course.addStudent(new Student("Johnny", "Min", 2.9)); System.out.println("Course size: " + course.courseSize()); } } public class Student { private String first; // first name private String last; // last name private…The class PetShop has a single field as defined below: private ArrayList<Pet> petList; Define a method to print out the details of all cats in petList in PetShop.
- This lab was designed to reinforce programming concepts from this lab, you will practice: Declaring and initializing ArrayList. Add elements to the Arraylist. Display the content of the ArrayList. Write a class name PhoneBookEntry that has fields for a person’s name and phone number. The class should have a constructor and the appropriate accessor and mutator methods. Then write a program that creates at least 5 PhoneBookEntry objects and stores them in an ArrayList. Use a loop to display the contents of each object in the ArrayList.Q8. Write a declaration of a private field named department that can hold an ArrayList. The elements of the ArrayList are of type Student. Write an assignment to the department variable to create an appropriate ArrayList object. Q9. (A) If a collection stores 20 objects, what value would be returned from a call to its size method? (B) Write a method call using get to return the fifth object stored in a collection called department. Q10. Write a method call to add the object held in the variable student1 to a collection department files.Add a getUnsold method to the Auction class with the -following header: public ArrayList getUnsold() This method should iterate over the lots field, storing unsold lots in a new ArrayList local variable. What you are looking for is Lot objects whose highestBid field is null. At the end of the method, return the list of unsold lots.
- Complete the Course class by implementing the findStudentHighestGpa() method, which returns the Student object with the highest GPA in the course. Assume that no two students have the same highest GPA. Given classes: Class Course represents a course, which contains an ArrayList of Student objects as a course roster. (Type your code in here.) Class Student represents a classroom student, which has three private fields: first name, last name, and GPA. (Hint: GetGPA() returns a student's GPA.) Ex: If the following students and their GPA values are added to a course: Henry Nguyen with 3.5 GPABrenda Stern with 2.0 GPALynda Robison with 3.2 GPASonya King with 3.9 GPA then the findHighestStudent() method returns a student and the program output is: Top student: Sonya King (GPA: 3.9)Code:Course.java: import java.util.ArrayList; //create class Student //create class Courseclass Courses{ private ArrayList<Student> roster; // collection of Student object // class constructor…URGENtt!! You are asked to write a java class named "Kume". The UML class diagram of the Kume class is as follows. 3 The elements in the set are kept in an ArrayList. The constructor of the class takes an array of int and adds the elements of this array to the ArrayList named al. The add() method adds an integer it takes as a parameter to the get element. The delete() method deletes an Integer object that it takes as a parameter from the get element, returns true if it can be deleted, otherwise false. The print() function prints the elements of the set to the console. The compareTo() method is inherited from the Object class and is suppressed, and compares the get element of the Set object, which it takes as a parameter, with the retrieve element of the current set object in terms of content (the order of the elements is not important). It returns 1 if both sets contain the same elements, 0 otherwise. Below is a test code that creates two objects from the Kume class and performs…Using Java You will write the code to perform the following operations using the ArrayList class: Implement a Shoe class, encapsulating the concept of a shoe A shoe has a color, size, and brand. Implement a ShoeStore class, encapsulating the concept of a shoe store. Use the ArrrayList of Shoe objects. Fill the ArrayList object with Shoe objects. Implement a ShoeSearchEnginge class Print Shoe objects in the ArrayList. color: white size: 11 brand: Anne Klein color: yellow size: 13 brand: Calvin Klein color: black size: 9 brand: COACH color: blue size: 5 brand: CLARK color: black size: 7 brand: Cole Han color: blue size: 15 brand: FitFlo color: red size: 9 brand: CLARK Find all Shoe objects with CLARK as a brand in the ArrayList. Find the largest size of a Shoe object in the ArrayList.
- EclipseIDE - Java Programming assigment For your program: Create a data class named Automobile that implements the Comparable interface. Give the class data fields for make, model, year, and price. Then add a constructor, all getters, a toString method that shows all attribute values, and implement Comparable by using the year as the criterion for comparing instances. Write a program named TestAutos that creates an ArrayList of five or six Automobiles. Use a for loop to display the elements in the ArrayList. Sort the Arraylist of autos by year with Collections.sort(). Finally, use a foreach loop to display the ArrayList sorted by year.1. ArrayListsCreate a class called OurArrayList and implement the following methods. Do NOT create any auxiliary memory.Include a main method and test all your methods with appropriate examples.Assume the following classes have been defined:a. Write a method called scaleByK() that takes an ArrayList of integers as a parameter and replaces every integer of value K with K copies of itself. For example, if the list stores the values (4, 1 , 2, 0 ,3) before the method is called, it should store the values (4, 4, 4, 4, 1, 2, 2, 3, 3, 3) after the method finishes executing. Zeroes and negative numbers should be removed from the list by this method.b. Write a method markLength4() that takes an ArrayList of Strings as a parameter and that places a String of four asterisks ("****") in front of every String of length 4. For example, suppose that an ArrayList called "list" contains the following values:(this, is, lots, of, fun, for, every, Java, programmer)And you make the following…Java Programming assigment For your program: Create a data class named Automobile that implements the Comparable interface. Give the class data fields for make, model, year, and price. Then add a constructor, all getters, a toString method that shows all attribute values, and implement Comparable by using the year as the criterion for comparing instances. Write a program named TestAutos that creates an ArrayList of five or six Automobiles. Use a for loop to display the elements in the ArrayList. Sort the Arraylist of autos by year with Collections.sort(). Finally, use a foreach loop to display the ArrayList sorted by year.