Which of the following are true? The Serializable interface has no methods. The Serializable method has been deprecated (fallen into disfavor) because it transmits data as a byte stream. All classes implement the Serializable interface by default. a and b are both true.
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Which of the following are true?
The Serializable interface has no methods.
The Serializable method has been deprecated (fallen into disfavor) because it transmits data as a byte stream.
All classes implement the Serializable interface by default.
a and b are both true.
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- Write a program that contains two classes a Main class and a Student class: • • The Student class has three data fields which are: name, GPA, and SID. It has a constructor that takes SID as a parameter. The Main class is used to declare objects from the Student class. The Main method should take student of type Student then display student ’ ’ s data from the console, store them in an object s data in the console.Language - Java Create a utility class called DuplicateCounter. Create an instance method called count that takes a single parameter called dataFile (representing the path to a text file) and uses a Map of Strings to count how many times each word occurs in dataFile. The counts should be stored in an instance variable called wordCounter. Create an instance method called write that takes a single parameter called outputFile (representing the path to a text file) and writes the contents of wordCounter to the file pointed to by outputFile. The output file should be overwritten if it already exists, and created if it does not exist. Create a separate class called Application that contains a main method which illustrates the use of DuplicateCounter by calling both the remove and write methods. Your input file must be called problem2.txt and your output file must be called unique_word_counts.txA. Writing an Interface In this problem you will first write an interface and then modify classes to implement the interface. Write an interface, GeometricSolid, which has one method, volume. The volume method takes no arguments and returns a double. You are provided with three classes: Cylinder, Sphere, and RightCircularCone Modify the classes so that they implement the GeometricSolid interface. Supply the appropriate method for each class. You can use Google search to find the formula for the volume. Make sure that you use Math.PI in your calculations. Notice in InterfaceRunner that the objects are added to an ArrayList of GeometricSolids. since I couldn't fit all images with two screen shots I left the link here link: https://codecheck.it/files/18040616319p6jy6gzkdzuq08nmlp81251t
- Write code for the InternetThing class to complete: a. A constructor that accepts a manufacturer and a serial number as its parameter. This constructor performs the following actions: i Store the serial number as a string ii Set a unique id number as an integer(hint- use the nextId). iii Set the IP address to the value “192.168.0.”+idnumber iv Set a local representation of a the power used in mW to the integer 1. v Set the password to “admin”. vi Prints the value “Created ”+ the result of the toString() method after assigning all instance data. vii Increment the number of things on record. b. Accessors for all private variables – Ensure the accessors for id, password and powerUse are named getId(), getPassword() and getPowerUse() c. A method setPassword that accepts a string argument and sets the instance password to the argument. All instance variables, except the password, should be private. The password should be protected. In class SmartHome, method addThing, • Create a…please help This class describes a tweet. A tweet has a message in it, a unique ID,* a count of the number of likes, and a count of the number of times it* has been retweeted. In addition, the Tweet class will have a static * variable to count the total number of tweets to ever be created * (retweets don't count as a new tweet).* * You may NOT import any library class.* **/public class Tweet {Write in python and please include docstring. Write a class named Employee that has private data members for an employee's name, ID_number, salary, and email_address. It should have an init method that takes four values and uses them to initialize the data members. It should have get methods named get_name, get_ID_number, get_salary, and get_email_address. Write a separate function (not part of the Employee class) named make_employee_dict that takes as parameters a list of names, a list of ID numbers, a list of salaries and a list of email addresses (which are all the same length). The function should take the first value of each list and use them to create an Employee object. It should do the same with the second value of each list, etc. to the end of the lists. As it creates these objects, it should add them to a dictionary, where the key is the ID number and the value for that key is the whole Employee object. The function should return the resulting dictionary. For example, it…
- 1. Modify the method beginsWithVowel. Use a different way to implement the method (try method indexOf() from the String class). 2. Modify the driver class to iteratively ask the user to enter a sentence, and then translate the sentence, until the user decides to quit the program. import java.util.Scanner;public class Translator { //instance variables //constructors //methods public static String translate(String sentence)// My name is Patrick Casseus { String result = ""; sentence = sentence.toLowerCase(); Scanner scan = new Scanner(sentence); while(scan.hasNext()) { result = result += translateWord(scan.next()) + " "; } return result; } private static String translateWord(String word) { String result = ""; if(startWithVowel(word)) result = word + "yay"; else if(startWithBlend(word)) // chair -> air + ch + ay result = word.substring(2) +…Implement a PowerSeller class that is derived from the Seller class. Create the powerseller.h andpowerseller.cpp files for this class. This derived class contains additional data members include:o the seller’s own web site address (string),o number of items sold in the current year.Methods included in this derived class are:• A default constructor and a copy constructor• A value constructor that receives all data for a power seller• Appropriate get and set functions for the new data• print() – overrides the parent class print() method. This method should call the Sellerclass print method to display all the information from a Person class and the seller class,and also display the additional power seller data with appropriate messages.• read() – overrides the parent class read() method. This method should call the Seller classread method to read all the information for Person class and seller class, and also read inthe information for the specific data for a Power Seller. The addition…This assignment is about OOP: Given Human class (Human.java) , please write a Student class (Student.java). This Student class is one child class of Human. A test file (CIS365Hw2InheritanceTest.java) of using the Student class is also given. Here is the result of running the CIS365Hw2InheritanceTest.java Student 1: no name, 0 years old, no major (10 points)Student 2: John, 18 years old, Computer Science (10 points)******** After change ******** (5 points)Student 1: Mary, 22 years old, Math (20 points)Student 1: Mary, 22 years old, Computer Science (20 points)Hello, I am a Student, and my name is Mary (20 points) public class CIS365Hw2InheritanceTest { public static void main(String[] args) { Student stu1=new Student(); Student stu2=new Student("John",18,"Computer Science"); System.out.println("Student 1:…
- Python:Please read the following. The Game class The Game class brings together an instance of the GameBoard class, a list of Player objects who are playing the game, and an integer variable “n” indicating how many tokens must be aligned to win (as in the name “Connect N”). The game class has a constructor and two additional methods. The most complicated of these, play, is provided for you and should not be modified. However, you must implement the constructor and the add_player method. __init__(self,n,height,width) The Game constructor needs to initialize three instance variables. The first, self.n, simply holds the integer value “n” provided as a parameter. The second, self.board, should be a new instance of the GameBoard class (described below), built using the provided height and width as dimensions. The third, self.players, should be an initially empty list. add_player(self,name,symbol) The add_player method is provided a name string and a symbol string. These two values should be…For the programming language JavaMust be written in Python. Please include docstring and show how output should look like. Remember that all data members should be private. An object can access it's own private data members directly. It can also access the private data members of other objects of the same class directly. But when accessing a private data member of an object of another class, it needs to call the appropriate get method. If that sounds complicated, just remember this: if a method is in the same class as a private data member, then it can access that data member directly, otherwise, it needs to use a get method. Write a class named Point that has two data members, x_coord and y_coord, representing the two coordinates of the point. It should have: an init method that takes two arguments, an x-coordinate and y-coordinate (in that order), and uses them to initialize the two data members. get methods for the two data members: get_x_coord and get_y_coord. a method named distance_to that takes a Point object…
