In java Please choose perfect option and explanation
Q: Mention two usages of this keyword with code in java.
A: In Java, 'this' is a reference variable that refers to the current object of a class method or a…
Q: an variables be used in Java without initialization?
A: Given: Can variables be used in Java without initialization?
Q: public class IceCream extends ConsoleProgram public void run() { // write code here }
A: Java programming language is an object-oriented programming language, that's used to develop web…
Q: Which is the highest operator precedence in Java ?
A: Operator precedence is a concept of determining the group of terms in an expression. operator…
Q: In java Write a program in java to print if a user can marry or not. Assume the marrying age is 21
A: Requirements:- In java Write a program in java to print if a user can marry or not. Assume the…
Q: In Java, how many different constructors are there?
A: The solution to the given problem is below.
Q: Write java program that has two class the main class and calculator class. The program receive two…
A: /* package codechef; // don't place package name! */ import java.util.*;import java.lang.*;import…
Q: Magic index in an array a[1..n] is defined to be an index such that a[ i] = i. Given an array of…
A: Given: Magic index in an array a[1..n] is defined to be an index such that a[ i ] = i. Given an…
Q: Collection of classes performing similar task is grouped in java language as
A: Here, Fill in the blank is given.
Q: ISP- Java please define the main method as: public static void main(String[] args) Your program…
A: Please find the code and output below
Q: ______________ is an example of encapsulation in java. a. Data type b. Java variable c. Java class…
A: In this answer I will be discussing about the examples of encapsulation in java.
Q: Constructor overloading is not possible in Java. Select one: O True O False
A: Constructor - It is a member function of class in java which has same name as class name used to…
Q: range of short data type in Java?
A: The range of short data type in java is
Q: How many constructors are there in Java?
A: Types of constructor in java.
Q: When calling a method in Java, reference. Can you elaborate o
A: Summary Object references are passed by value In java, All object references passes by value. This…
Q: What is difference between over written and non over written methods in java (Object Oriented…
A: According to the question Overriding and overloading the concepts in the Java system. Ways to create…
Q: In JAVA I need a program that has 5 attributes for one object.
A: A java class can have attributes. The attributes can be defined as the data types of data that is…
Q: Overwritten vs. non-overwritten methods in Java: what's the difference? (Object Oriented…
A: The answer is given in the below step
Q: rue or False Java passes all primitive type variables by copy.
A: Given:- True or False Java passes all primitive type variables by copy.
Q: All Java classes are subclasses of the class, which is the language's basic class.
A: Given: All Java classes are subclasses of the class, which is the language's basic class.…
Q: In Java, does importing a package also import its sub-packages?
A: Java is high level, class based, object oriented programming language that is designed to have as…
Q: True or False A Java method can be defined to accept a varying number of parameters.
A: Java includes a feature in JDK5 which simplifies the creation of methods that need to take a…
Q: Make simple interest calculator in java all enteries taken from user
A: Requirement:- Make simple interest calculator in java all entry taken from user Approach :- Simple…
Q: In Java, hiding implementation details is done by marking data and methods as : a private b…
A: private: The access level of a private modifier is only within the class. protected: The access…
Q: Java's Runnable interface requires the programmer to write a method for concurrent execution called
A: Option 1 Run() The runnable interface implementation uses the code inside the run() method and…
Q: What is the polymorphism in Java? Complete the following code that explains Polymorphism:…
A: The code is given below with proper explanation and output screenshot
Q: What constant names are defined in the java.lang.Math class?
A: java.lang.Math class have predefined arithmetic operation that makes maths operation bit easy while…
Q: All classes in Java are directly or indirectly subclasses of the _______ class. a) Wrapper b) String…
A: Java is an object-oriented programming language, that's used to develop web browser applications and…
Q: Final methods can be overriden in java. true or false.
A: One of the methods for achieving polymorphism is overriding. This is the scenario when two classes…
Q: What is Garbage Collection, and why is it useful in Java?
A: Introduction: Java garbage collection: When Java applications are executed on the JVM, objects are…
Q: n java please.Create a method from the implementation perspective. Create a method where it takes in…
A: 1- LinkedList is a linear data structure and it consists of replica factors wherein the elements…
Q: In Java, static as well as private method overriding is possible. Comment on the statement.
A: Question 10. In Java, static as well as private method overriding is possible. Comment on the…
Q: A. list down the different benefits of using a method in JAVA programming. B. Provide the syntax…
A: A) ->Main benefit is code reusability. We can write a method once, and then we can call it…
Q: Is it possible to overload static method?
A: Static Methods: static methods themselves are saved in the Permanent Generation area of the heap but…
Q: The following is a valid interface definition in Java public interface Shape { public double…
A: Given: We are given a java code snippet. Code of interface class in java is given. Goal: We have to…
Q: subject = JAVA . I need a proper and full code that covers all the situations in the given question.
A: covers all the situations in the given question
Q: The following is a valid interface definition in Java public interface Shape { public double…
A: In Java, an interface is a reference type. It is a blueprint of a class that contains the abstract…
Q: Explain the difference between a deep and a shallow copy.
A: Shallow copy: Shallow copy is more efficient. It does, however, handle pointers and references in a…
Q: Java problem. Is it possible to override static method in java. a. Yes b. No
A: In Java, A static method is a method which belongs to a class rather than an instance of a class.…
Q: How can a Java programmer save time by using composition?
A: Design is a critical topic in object-oriented programming. This shows that a class contains at least…
Q: What is the difference between equals() and == in Java?
A: What is the difference between equals() and == in Java?
Q: This is a java question.
A: if the first operand is true, Java with short-circuit and not even look at the second operand. In…
Q: Java program that implements the class Scrabble by following the design given below:
A: public class Main{ public static void main(String[] args) { Scrabble sc=new…
Q: True or False Java passes all object-type variables by reference.
A: Answer : - False
In java
Please choose perfect option and explanation
Step by step
Solved in 2 steps
- #Assignment: Draft a detailed System Test Plan for Facebook Must include your testing strategy in detail. You must present test cases for these modules: Login Page, Photos, Messages, Friends, Wall, News Feed, Integration with a Game and logout functionality. #Note; please Avoid Plagrisiam - please don't copy and paste another Chegg exportNote : Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and specify the other subparts (up to 3) you’d like answered When a component is reused efficiency is increased as much of the component is already completed, consistency is increased as control and scalability is enhanced on it, testing is reduced as components are already tested, etc. Step 2 a) Three components to be reused can be : Tab control Dialog control Calendar control Other parts maybe of login registration page b) Tab control : For flexible navigation a customized tab control can always be reused in different applications. This will increase efficiency . Dialog control : To manage some kind of action when one exit app or switch between different sections can be reused. Calendar control : This is almost a part of multiple applications and one may use it for interaction with dates. User selects single or multiple dates. A customized component can be reused…Software Engineering: Classes and associations are below the attach picture. I need to draw the Sequence diagram according the steps below: (showing: Message exchanges, Method calls and lifelines of the participating objects) User Registration and Login Sequence: User -> WebApplication: Request to register a new account WebApplication -> User: Prompt for account details (username, email, password) User -> WebApplication: Provide account details WebApplication -> UserAccount: Create a new UserAccount object WebApplication -> UserAccount: Set account details (account_id, email) WebApplication -> User: Notify successful registration User -> WebApplication: Request to login WebApplication -> User: Prompt for login credentials (username, password) User -> WebApplication: Provide login credentials WebApplication -> UserAccount: Validate login credentials UserAccount --> WebApplication: Login status (successful/failed) WebApplication -> User: Notify login…
- 1. Create an npm project and install express.js2. Create an express.js app which funnels the requests through 2 middlewarefunctions that log something to the console and return one response.3. Handle the requests to "/" and "/users" such that each request onlyhas one handler /middleware tht does something with it(eg send any dummy response)A comprehensive feature set is an essential component of a well-designed user interface. How important is it to have a certain set of skills? Is it intended to use the same approach to all projects? Provide particular examples to back up your assertions.Objective: Write a program in Python using wrapper API to get weather information. Step 1.1: Get PyOWM API key Follow these steps to get a weather info API key from Open Weather Map.org: Go to openweathermap.org/appid Under “Sign up and call API for free”, click “Sign up” Register. Click “Create an Account”. Remember your login and password. They may send a confirmation link to the email you used to register. Use it to confirm. Go to “API keys”. Copy key from gray box into a text file and save it for later. You will insert the key into the provided Python code that accesses the API. Step 1.2. Install PyOWM module on your computer Follow these steps to install PyOWM module on your computer: Start your terminal (Windows users start WSL terminal or Windows Console). Type pip3 install pyowm (the module should install). Step 1.3: Download, Add Code, and Test interactive App You should use the starter app weather.py. It includes a predefined function getweather() that…
- ASSIGNMENT QUESTIONS Consider this scenario: Instead of the Green Dam Escort project, the Chinese government hires a huge international Namibian-based company to develop its compulsory internet browser program. The project is top-secret, and even the programmers aren't sure what it'll be used for. Meanwhile, you're working for Microsoft Inc. on a top-secret project in which code is divided into teams working on modules, and team members are kept in the dark regarding the whole application's functionality and purpose. You have a feeling it's a military effort, but you're not certain. Consider the possibilities below. Question 1: Virtue Theory You're concerned that the software module you're developing could be utilized by the government (or military) to track citizen internet usage. Such government invasion of privacy runs counter to your ideals and ethics, but it's just a hunch thus far. You tried to bring up this topic with your boss in an oblique way but were told that it was not…C Sharp, having an issue with the spin button and displaying the images. See Pics using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Threading.Tasks;using System.Windows.Forms;using System.IO;using System.Net.Http.Headers;using System.Web; namespace Slot_Machine{ public partial class Form1 : Form { //Create a Random object Random rand = new Random(); //Create an image[] = the URL to the images. private Image[] images = new Image[] { Image.FromFile("C:\\Users\\shari\\OneDrive\\Desktop\\Friut\\Apple.bmp"), Image.FromFile("C:\\Users\\shari\\OneDrive\\Desktop\\Friut\\Banana.bmp"), Image.FromFile("C:\\Users\\shari\\OneDrive\\Desktop\\Friut\\Grapes.bmp"), Image.FromFile("C:\\Users\\shari\\OneDrive\\Desktop\\Friut\\Cherries.bmp"),…Problem #1: How much should I study outside of class? Issue: Your fellow students liked the previous version of study hour’s application and want to expand it again by adding the features listed below. Minimum Study Hours per Week per Class Grade15 A12 B9 C6 D0 F Project Specifications: The program asks the user their name, employee id, and department. The program also asks the user who they are creating the report for, their employee id, and the department they work in. (hint #1 & 2 are instances of a class – A class must be created and used within the program)The menu driven program has the following options:Determine Hours to StudyDetermine Grade Display Averages and TotalsQuit The user can select any menu option in any order they want. For example:The user can start the program run option A, then option C, then option B, then option D. They restart the program, run option C, then D. They restart the program, run option A, then D. They restart…
- What is a typical development cycle using a Version Control System (VCS)? A) Send a pull request to the team, pull a new branch, commit every functional version of the new feature as it is developed and merge new features into the project. B) Start a new branch, merge every functional version of the new feature as it is developed, send a pull request to the team and commit new features into the project. C) Start a new branch, commit every functional version of the new feature as it is developed, send a pull request to the team and merge new features into the project. D) Build a repository, upload files, publicize the project, evaluate proposed changes and merge approved changes into the project.Book reference: Windows PowerShell Step by Step 3rd Edition - Ed WilsonChapter 15 3. To which of the above objects can the group policy NOT be applied? a) Organization Unit [OU] b) Computers c) Users d) containers 4. The below script is used to create a new Organizational Unit [OU]; what is the name of the OU created? $strClass = "organizationalUnit" $StrOUName = "OU=MyTestOU" $objADSI = [ADSI]"LDAP://DC=nwtraders,DC=msft" $objOU = $objADSI.Create($strCLass, $StrOUName) $objOU.SetInfo() 5. What is the ADSI Edit tool used for?Developer(DevCode, DevName, DevAddr, DevEmail, DevTel)Proj(ProjCode, ProjTitlee, BeginDate, EndDate)SW(SWCode, SWName, SWPrice, ProjCode)Task(DevCode, ProjCode) List the name and price of SW which belong to the project « Inventory MS ». Order the output by price (high to low)