There are two variables declared for you at the top of the class that you can use throughout your exercise: public static final String API_BASE_URL = "http://localhost:3000/auctions/"; private RestTemplate restTemplate = new RestTemplate(); List all auctions In the getAllAuctions method, find the comment // call api here . Add code here to: • Use the RestTemplate to request all auctions and save them into an array of Auction s. Replace the current return statement to return the array of Auction s. ● Once you've done this, run the unit tests. After the test listAllAuctions passes, you can run the application. If you select option 1 on the menu, you'll see the ID, title, and current bid for each auction.
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- Java question please Create a class called Account that has the following attributes: Account Client - AccountHolder Double - Balance Date - DateCreated Account() Account(Client AccountHolder, Double Balance) getAccountHolder() - Client setAccountHolder(Client) - void getBalance() - Double deposit(Double) - Double withdrawal(Double) - Double getDateCreated() - Date toString() - String compareTo(Account) - Integer equals(Account) - Double Notes: The account holder attribute will link to the Account class that you created in problem 6. Your constructor and overloaded constructor should set the date created to the current date. Your deposit method should add to the balance Your withdrawal method should remove from the balance, as long as there is enough money to withdrawalCreate a class called GraduateStudent that has the following attributes: GraduateStudent String - FirstName String - LastName String - Major String - Minor Integer - UIN Double - GPA GraduateStudent() GraduateStudent(FirstName, LastName, Major, Minor, UIN, GPA) calculateFinalGrade(Double, Double, Double) - Double getFirstName() - String setFirstName(String) - void getLastName() - String setLastName(String) - void getMajor() - String setMajor(String) - void getMinor() - String setMinor(String) - void getUIN() - Integer setUIN(Integer) - void getGPA() - Double setGPA(Double) - void toString() - String compareTo(GraduateStudent) - Integer equals(GraduateStudent) - Boolean Note: The calculate final grade takes 3 doubles, each of which will be an exam grade out of 100. The first two exams are worth 25% of the final grade, and the third exam is worth 50% of the final grade. You should return this final grade as a double.The xxx_Student class:– Name - the name consists of the First and Last name separated by a space.– Student Id – a whole number automatically assigned in the student class– Student id numbers start at 100. The numbers are assigned using a static variable in the Student class• Include all instance variables• Getters and setters for instance variables• A static variable used to assign the student id starting at 100• A toString method which returns a String containing the student name and id in the format below:Student: John Jones ID: 101 The xxx_Course classA Course has the following information (modify your Course class):– A name– An Array of Students which contains an entry for each Student enrolled in the course (allow for up to 10 students)– An integer variable which indicates the number of students currently enrolled in the course. Write the constructor below which does the following:Course (String name)Sets courseName to nameCreates the students array of size 10Sets number of…
- You are required to develop a small chatting application where two or more friends can communicate each other through messages. Create a class Message which has Date date, and message (string). Provide getters/setters, constructors, toString. Create a class Friend having String name, String contact, email provide getters/setters, constructors, toString. Provide following options to the user. Add Friend (which add new friend to the Friends file) View Friends (read data from Friends file and display) Send message (This should ask for friend name and message match the friend name and write that message to the inbox file). Read messages (This show all messages form inbox on JList or Text area. Note: Create a manager class with methods use to read and write messages to “inbox” file you should write sentMessage(Friend f, Message message) method which write the messages to the file user can send as many message as he/she wants (use loop and arraylist). Write another method readMessages()…You are required to develop a small chatting application where two or more friends can communicate each other through messages. Create a class Message which has Date date, and message (string). Provide getters/setters, constructors, toString. Create a class Friend having String name, String contact, email provide getters/setters, constructors, toString. Provide following options to the user. Add Friend (which add new friend to the Friends file) View Friends (read data from Friends file and display) Send message(This should ask for friend name and message match the friend name and write that message to the inbox file). Read messages (This show all messages form inbox on JList or Text area. Note:Create a manager class with methods use to read and write messages to “inbox” file you should write sentMessage(Friend f,Message message) method which write the messages to the file user can send as many message as he/she wants (use loop and arraylist). Write another method readMessages()…Write Unit Test Methods for the code snippets below: package InventoryManagement; /*** AddCommand*/public class AddProductCommand extends Command{//TODO: add necessary fields to this class public AddProductCommand(ProductCatalog productCatalog, User loggedOnUser){super(productCatalog, loggedOnUser); } @Overridepublic void Execute() {// TODO Add the code that will execute this command}} -------------- package InventoryManagement; import java.lang.reflect.Constructor; /*** Command*/public abstract class Command {//TODO: add necessary fields to this classpublic Command(ProductCatalog productCatalog, User loggedOnUser){ } public static Command CreateCommandDynamically(ProductCatalog productCatalog, User user, String commandClassName){Class<?> concreteCommandClass = null;Command command = null;String packageName = "InventoryManagement"; try {concreteCommandClass = Class.forName(packageName + "." + commandClassName);Constructor<?> con =…
- In main(), prompt the user for two items and create two objects of the ItemToPurchase class. Before prompting for the second item, call scnr.nextLine(); to allow the user to input a new stringwhat are the proper steps for this Create a client class named Client with the main( ) method. Inside the main method do the following: Create an instance of BiGBirdcalled Little Squadto store players’ information of U.S Swimm team team using the overload constructor to make the initial length of the list array equal to 2. Add eight players to Little Squad by hardcoding eight calls to the add method (one for each player). Display the contents of Little Squad Remove a random player from Little Squad Display the contents of Little Squad. Get but do not remove a reference to the 3rditem in the bag. Display the contents of the reference you “got” it step 5. Add another Player with another hardcoded add method call. Display the contents of Little Squad. Remove the Player that you “got” in step 5 using a call to the remove(E e)method. Display the contents of Little Squad.Please read the instructions carefully and keep in mind of the bolded phrases. You are NOT ALLOWED to use HashSet Create a project in NetBeans and name the project Hw06. The class will contain the following static methods: reverseS – A method that displays a string reversely on the console using the following signature: public static void reverseS(String s) printSub1 – print all substrings of a string. The method signature: public static void printSub1(String s) /* Note for printSub1: duplicated substrings ARE ALLOWED, but loops are NOT ALLOWED */ printSub2 – print all substrings of a string. The method signature: public static void printSub2(String s) /* Note for printSub2: duplicated substrings are NOT ALLOWED, but loops ARE ALLOWED */ Note: All methods should be RECURSIVE. Any predefined classes that are based on Set are not allowed. In the main method, read a string from the user and output the reversed string and substrings to the screen: Sample Run: Please input a string:…
- Which of the following is an example of dynamic dispatch? A: Assume you have an interface Car. There are three classes that implement the Car interface: Accord, Civic, Charger. Each of these classes has their own drive() method. There is an object myCar of type Car. When you invoke the drive() method, by calling myCar.drive() the correct implementation of drive() is chosen at runtime based upon the concrete class of myCar. B: Assume you have a variable myVariable. You have a for loop. The first time through the loop you set myVariable to an int, the next time you set it as a double, the next time a String, and finally an int. Each iteration of the loop myVariable has the correct type. C: Assume you have a class call Computation. Your computation class has a static method called add(). This method has three different versions:add(int x, int y)add(float x, float y)add(double x, double y)When you run Computation.add(x,y) the correct version of the method is chosen at compile time based…In main(), prompt the user for two items and create two objects of the ItemToPurchase class. Before prompting for the second item, call scnr.nextLine(); to allow the user to input a new string.Ex: Item 1 Enter the item name: Chocolate Chips Enter the item price: 3 Enter the item quantity: 1 Item 2 Enter the item name: Bottled Water Enter the item price: 1 Enter the item quantity: 10Which of the following statements are correct about the given code snippet? class A: def __init__(self, i = 0): self.i = i class B(A): def __init__(self, j = 0): self.j = j def main(): b = B() print(b.i) print(b.j) Group of answer choices Class B inherits A, but the attribute “i” in A is not inherited. Class B inherits A, thus automatically inherits all attributes in A. When you create an object of B, you have to pass an argument such as B(5). The attribute “j” cannot be accessed by object b. How many except statements can a try-except block have? Group of answer choices zero one more than one more than zero