2. Using JCreator, create a new Java application file and write the following code. Name the file as java public interface aports { public void setHomeTeam (8tring name) ; public void aetvisitingTeam (String name); 3. Create another Java interface file that will extend the java interface using the extends keyword Provide at least three (3) additional methods for this Java application file similar to the ones on the Sports java interface
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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.Suppose you have Java source files under the directorieschapter1, chapter2, . . . , chapter34. Write a program to remove the statement package chapteri; in the first line for each Java source file underthe directory chapteri. Suppose chapter1, chapter2,. . . , chapter34are under the root directory srcRootDirectory.The root directoryandchapteridirectory may contain other folders and files. Use the followingcommand to run the program:java Exercise12_20 srcRootDirectoryCreate a data type Version that represents asoftware version number, such as 115.1.1, 115.10.1,115.10.2. Implement the Comparable interface sothat 115.1.1 is less than 115.10.1, and so forth.
- Java: Below are 3 java files along with a text file. Make sure in the console, shank.txt is read into tokens. Make sure to show the 3 java files with the screenshot of shank.txt being printed out in the console. The output must show shank.txt being printed out in tokens. There must be no error at all. Main.java import java.io.IOException;import java.nio.file.Files;import java.nio.file.Paths;import java.util.List; public class Shank { public static void main(String[] args) { if (args.length != 1) { System.out.println("Error: Exactly one argument is required."); System.exit(0); } String filename = args[0]; try { List<String> lines = Files.readAllLines(Paths.get(filename)); Lexer lexer = new Lexer(); for (String line : lines) { try { List<Token> tokens = lexer.lex(line); for (Token token : tokens) { System.out.println(token); } } catch (Exception e) { System.out.println("Exception: " + e.getMessage()); } } }…Question 4 1-What does implementing the Serializable keyword do to a java class? Group of answer choices It is a flag that tells the compiler that this classes objects may be serialized. Sends that class into a stream. Nothing Makes it looks like you know java. 2- What mechanism allows objects to be passed over a stream? Encapsulation Serialization MUltithreading Abstraction 3- How would you import an entire package names graphics? import graphics.Rectangle; import graphics; import java.util.*; import graphics.*; ........Create a TestTriangle class in an individual .java file. In the main method,(1) Create a Triangle object with default base and height values.(2) Create a Triangle object with specified base = 3 and height =4.
- Which of the following is true about blocks in java a) A static block in java is a block of code that enables static initialization of a class b) A static block is a block of code that is executed once as soon as the class is loaded c) A static block is referred to any block of code that uses static modifier a. A only b. B only c. A and B d. B and C e. A, B, CWrite a program to manage a set of graphical objects based on the commands in a specifiedfile. This is a graphical equivalent of the famous edlin tool for text manipulation.On the Vula page of the assignment, you will find VectorGraphics and Question2classes that will handle the file I/O for you. When you run Question2, specify the file namelike this: java Question2 myfile.in Each line of the file contains an instruction in one of the formats given below: a <id> <x> <y> rectangle <x_length> <y_length> a <id> <x> <y> hline <x_length> a <id> <x> <y> vline <y_length> a <id> <x> <y> ptline <y1> <y2> w d <id> m<id><x> <y> x Explanation:‘a’ adds an object of a particular type (rectangle/hline/vline/ptline) with the specifiedparameters.‘w’ renders/draws the objects and prints the composite image to the screen.‘d’ deletes an object based on its id.‘m’ moves an…Please assist with non graded problem. Create a Calculator class that implements sum, subtraction, multiplication, and division operations, and throws an appropriate exception whenever the user attempts to perform a division by zero. Then develop a graphical interface (with JavaFx) for your calculator using TextField, Button, and Label objects, or any other graphical objects you like. Graphically display division by zero errors.
- Hey, this is my code below and I cannot seem to get the import.java.io.*; to create and save information on a txt file. Any help would be great. There is a person class with get and set for firstname, lastname, etc. However I could not fit it in due to space. Code in bold is what I tried for the txt. import java.io.FileNotFoundException;import java.io.PrintWriter;import java.util.ArrayList;import java.util.Scanner; import mainInterface.Interface; public class StaffManager { protected static ArrayList<Staff> Staffs = new ArrayList<Staff>(); public static void main(String[] args) throws FileNotFoundException{ staffManMenu(); //Call writeToFile writeToFile(); } // method to write the staff data to a file titled StaffFile.txt public static void writeToFile() throws FileNotFoundException{ //create object PrintWriter write = new PrintWriter(new File("StaffData.txt")); for(Staff s : Staffs) { write.println("First Name: "…Please help with the following question: Rewrite the following code by removing Integer.parseInt public class javaapplication1 { /*** @param args**/public static void main(String[] args) {Scanner sc=new Scanner(System.in);//create 3 Department instancesSystem.out.println("Enter Department 1 name and ID: ");Department d1=new Department(sc.nextLine(), Integer.parseInt ( sc.nextLine()));System.out.println("Enter Department 2 name and ID: ");Department d2=new Department(sc.nextLine(), Integer.parseInt( sc.nextLine()));System.out.println("Enter Department 3 name and ID: ");Department d3=new Department(sc.nextLine(), Integer.parseInt( sc.nextLine()));//create 5 StudentsSystem.out.println("Enter Student 1 Id, Name and Dept ID");Student s1=new Student(Integer.parseInt(sc.nextLine()),sc.nextLine(),Integer.parseInt(sc.nextLine()));System.out.println("Enter Student 2 Id, Name and Dept ID");Student s2=new…Create a simple java program that reads all the content in a .txt file, the user will enter the filename to be opened. In this case, the file will contain multiple lines of student details with each line containing a single student detail. Your task is to then create a student class that models the firstname, lastname, year of birth and gender of every student. The student class should further be able to assign every student created with a student number using a class variable[format is 2022000X, X is a number such as 1,2..] and be able to calculate the age of each student. Within the driver class add all the students read from file into an ArrayList and then print the first and last student in the list. You are additionally expected to deal with most common exceptions