This mechanism specifies a set of methods that an implementing class must override and define. group of answer choices polymorphism static class constructor interface

Answers

Answer 1

The mechanism that specifies a set of methods that an implementing class must override and define is an interface.

Interfaces allow for the implementation of polymorphism, where multiple classes can implement the same interface but provide their own unique implementation for the methods defined in the interface. This allows for flexibility and code reusability. Interfaces are used in object-oriented programming to define a contract that implementing classes must follow.

They provide a way to achieve abstraction and ensure that certain methods are implemented by any class that wants to use the interface. In summary, the to your question is that the mechanism you're referring to is an interface. is that interfaces specify methods that implementing classes must override and define. This enables polymorphism and ensures adherence to a contract.

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Related Questions

What steps would you take if you wanted to adjust the outline of a rectangle shape that has already been inserted into your worksheet?
A) 1) Click the shape. 2) Click (Drawing Tools) Format. 3) In the Shape Outline group, change the settings.
B) 1) Click the shape. 2) Click Home (tab) --> Font (group) --> Fill Color
C) 1) Click the shape. 2) Click (Drawing Tools) Format. 3) In the Shape Styles group, select a different outline.
D) 1) Click the shape. 2) Hold shift while pressing the up/down arrow keys to increase/decrease the size of the outline.

Answers

Answer:

C) 1) Click the shape. 2) Click (Drawing Tools) Format. 3) In the Shape Styles group, select a different outline.

How can we solve mental stress?

Hello can anyone answer

Answers

Answer:

Please don't delete it. Because other people did!

Explanation:

Use guided meditation, Practice deep breathing, Maintain physical exercise and good nutrition!

Answer:

By making yourself comfortable around your environment.I know it can be hard but try making yourself feel distracted from stress.Have a break from what you are doing and take your time to heal.


Explanation:

move the slider on the bottom from one to many cells. are all of the cells flashing the same way? if not, what might explain any variation observed. give two possibilities.

Answers

Moving the slider on the bottom from one to many cells may result in some variation in the flashing of the cells. This could be due to a couple of reasons.

One possibility is that the cells have different properties and characteristics that affect their flashing behavior.

For instance, some cells may be more sensitive to the input signal than others, resulting in differences in their flashing rate or pattern.

Another possibility is that the cells may have been exposed to different environmental conditions or stimuli that have affected their flashing behavior.

For example, if some cells have been exposed to a chemical or physical stimulus, they may respond differently than cells that have not been exposed to the same stimulus.

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App developers often lament the ______________ created within apps where data is more tightly controlled by a service provider and where firms must comply to the usage policies of the platform provided.

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App developers often lament the "walled gardens" created within apps where data is more tightly controlled by a service provider and where firms must comply to the usage policies of the platform provided. These walled gardens can limit the flexibility and innovation of app development, as developers may be restricted in their access to user data and the ability to integrate with other apps or services.

However, they can also provide a level of security and consistency for users, as well as a reliable revenue stream for developers through app store fees and advertising partnerships.

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20) which one of the following statements is not true? a) the internet backbone is owned by the federal government in the united states. b) icann manages the domain name system. c) the iab establishes the overall structure of the internet. d) the internet must conform to laws where it operates. e) w3c determines programming standards for the internet.

Answers

The statement that the internet backbone is owned by the federal government in the United States is not true. In fact, the internet backbone is owned by multiple Tier 1 ISPs around the world. No one owns the whole internet backbone and the internet itself is free for everyone.

The internet backbone

The internet is a global network of computers. Its core is the internet backbone, the largest and fastest network linked together with fiber-optic cables around the world. The traffic of the global internet runs here connecting all locations around the globe. This backbone infrastructure is owned by multiple ISP companies.

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List 10 ways how can graphic design help the community

Answers

Explanation:

Boosts brand awareness and name recognition. Saves time and money in the long run. Builds your brand's visual identity. Boosts employee morale, pride and productivity. Makes you stand out from the competition. Reinforces professionalism. Improves the readability, structuring and presentation of heavy content.

use caution and only complete troubleshooting tasks that you feel what and what doing

Answers

The steps are: identify the problem, establish a theory of probable cause, test the theory, establish a plan (including any effects of the plan), implement the plan, verify full system functionality, and—as a final step—document everything.

If you encounter any situation that seems unsafe or beyond your expertise, it's essential to stop and seek help from a qualified professional.

What is troubleshooting

Before trying to fix anything, make sure you read and understand the manuals and safety instructions for  the equipment or system.

Turn off and disconnect: When fixing electronic devices, always turn them off and disconnect them from power before making any changes or looking inside. Don't touch live wires or parts when working on electrical circuits.

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How can you troubleshoot Internet access problems?

Answers

Answer:

Check the network icon (or wireless connection settings) to see if you have Internet access. ...

Check for changes to proxy settings.

Check the network cables if your computer is wired to the router.

Reset your router.

Check your firewall or security software.

Hopefully this helps.

Answer:

Delete items from the cache, check your Internet connection, and try using a different browser.

Explanation:

Edge lesson

Fill in the blank with the correct response. Wanting to become a better archer is a what?

Answers

Is a better archer shooter

All of the following can be considered a precursor to e-commerce except:
A) DNS.
B) Baxter Healthcare's remote order entry system.
C) the French Minitel.
D) Electronic Data Interchange.

Answers

Your query has an answer of A) DNS. E-commerce is not directly related to DNS (Domain Name mechanism), a mechanism that converts domain names into IP addresses.

The other choices, including the French Minitel, Electronic Data Interchange, and Baxter Healthcare's remote order entry system, all feature electronic transactions and communication and can be seen as forerunners of e-commerce.

The DNS (Domain Name System) system converts domain names into IP addresses, which is necessary for the internet to function. It does not, however, precede e-commerce.

The French Minitel, Electronic Data Interchange (EDI), and Baxter Healthcare's remote order input system are all regarded as forerunners of e-commerce.

Hospitals could order goods from Baxter Healthcare electronically thanks to the company's remote order input technology.

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Why do certain words change color in Python?



To show that they are recognized as key words


To tell you that these words cannot be used in Python code


To show you that these words can be clicked


To tell Python to skip these words when running the code

Answers

It’s should be the first choice

Certain words change color in Python  to show that they are recognized as key words.

What is python?

Python is a general purpose computer programming language that is used to generate a variety of programs to solve problems such as

building  websites and software tasks automationData analysis.

In Phyton, Syntax highlighting is used when coding to display text according to source codes, category of terms and keywords.

For example:

typing “Hello, world!” in python will aromatically be  colored green because  Python knows this is a special type of keyword. also typing  “print” will change to orange because Python recognizes it as a keyword.

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X267: Recursion Programming Exercise: Cumulative Sum For function sumtok , write the missing recursive callL. This function returns the sum of the values from 1 to k. Examples: sumtok (5) -> 15 public int sumtok( int k) { if (k <= 0) { return 0; } else {
return <> } }

Answers

Recursion programming is a technique used in computer programming where a function calls itself in order to solve a problem. In the case of the sumtok function, we want to find the sum of the values from 1 to k using recursion.

To solve this problem recursively, we need to break it down into smaller subproblems. In this case, we can start by finding the sum of the values from 1 to k-1, and then add k to this sum.

Therefore, the missing recursive call in the sumtok function should be:

return k + sumtok(k-1);

This will keep calling the sumtok function recursively until the base case is reached (when k is less than or equal to 0). Once the base case is reached, the function will start returning the values to the previous recursive call until the final sum is obtained.

In summary, the sumtok function uses recursion programming to find the sum of values from 1 to k. It breaks the problem down into smaller subproblems by calling itself recursively and returns the final sum once the base case is reached.

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what is modem please give me answer​

Answers

Answer:

a combined device for modulations and demodulations

Give 3 reasons why it is believed that smart phones precent us from communicating face to face.give three reasons why it is believed that smartphones prevent us from communicating face to face ​

Answers

Answer:

yes

Explanation:

because the people will be lazy to go and talk to that person instead They will call each other and discuss

Match the letter with the corresponding Workspace Area

Options :

-workspace settings

-options bar

-menu bar

-toolbar

Answers

The workspace areas described are editing tools of the photoshop program

The options described below are part of the Adobe Photoshop program for image and photo editing.

Workspace settings: It is a bar to configure the general aspects of the workspace in which an image is going to be edited or created.

Options bar: It is a bar located in the upper part (second row) of the document in which we have different options depending on the tool of the toolbar that we choose.

Menu bar: It is the bar located at the top (first row) in which we find different options such as:

FileEditionImageCapTextSelectionFilter3DViewWindowHelp

Toolbar: It is the bar located on the left side of the screen where we find different editing tools for our file, such as:

MoveMagnetic loopTrimDropperBrushDraftDegradedFeather

Note: This question is incomplete because the information is incomplete. However, I can answer based on my previous knowledge.

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which keyboard shortcut opens the find and replace dialog box to the replace tab?

Answers

Answer:

CTRL + F

Explanation:

usually CTRL + F but it would depend on the program  

Richard wants to share his handwritten class notes with Nick via email. In this scenario, which of the following can help Richard convert the notes into digital images so that he can share them via email? a. Bar coding device b. Digital printing software c. Document scanner d. Radio frequency identification tag

Answers

Answer: Document Scanner

Explanation: Cos then he can easily add the paper notes to his computer and email the client.

Basic python coding
What is the output of this program? Assume the user enters 2, 5, and 10.
Thanks in advance!
:L

Basic python codingWhat is the output of this program? Assume the user enters 2, 5, and 10. Thanks in

Answers

Answer:

17.0

Explanation:

after first loop numA = 0.0 + 2 = 2.0

after second loop numA = 2.0 + 5 = 7.0

after third loop numA = 7 + 10 = 17.0

which type of attack is wep extremely vulnerable to?

Answers

WEP is extremely vulnerable to a variety of attack types, including cracking, brute-force, IV (Initialization Vector) attack, and replay attack.

What is Initialization Vector?

An Initialization Vector (IV) is a random number used in cryptography that helps to ensure the uniqueness and randomness of data used in an encryption process. The IV is typically used as part of an encryption algorithm, where it is combined with a secret key to encrypt a message. The IV is unique for each encryption session, and must be unpredictable and non-repeating. A good IV should not be reused across multiple encryption sessions, and it should be kept secret from anyone who does not have access to the decryption key. Without a good IV, a cryptographic system can be vulnerable to attacks such as replay attacks, where an attacker can gain access to the system by repeating an encrypted message.

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differences between word processor and typewriter​

Answers

The differences between word processor and typewriter​ are given below:

Word Processor:

Documents can be saved, printed, and shared electronically.

Multiple documents can be open simultaneously, and changes can be easily made and undone.

Word processors often include templates for various document types like resumes, letters, and reports.

Typewriter:

A typewriter is a mechanical device used for writing and producing printed text on paper.

It uses individual keys for each character and requires manual effort to press the keys and produce text.

Typewriters offer limited formatting options, typically only allowing for basic text alignment and bold or underline options.

Corrections are more difficult on a typewriter, often requiring correction fluid or erasing and retyping.

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Do all careers or professions need computer science? Why or why not?

Answers

Answer:

Most careers or professions need computer science

Explanation:

As humanity is improving technological wise most jobs will be replaced and other jobs would come into play and in order for individuals to become employed in jobs that will be available in the future to come they will have to have a degree in computer science or know how to operate computers.

Answer:

No not all careers and professions require computer science

Explanation:

There are so many careers, many in which you may not sit in front of a computer. If you become a farmer, janitor, teacher or more you may not need computer science skills.

Given a string, compute recursively a new string where all the lowercase 'x' chars have been moved to the back of the string.

Answers

To compute a new string where all the lowercase 'x' characters are moved to the back of the given string using recursion, you can follow these steps:


1. Base case: If the input string is empty or contains only one character, return the string as it is.
2. Recursive case: If the first character of the string is 'x', recursively call the function on the rest of the string and append 'x' at the end.
3. If the first character is not 'x', recursively call the function on the rest of the string and append the first character at the beginning of the result.
4. Return the final result.

Input: "axbxcdx"

Step 1: The first character is 'a', which is not 'x'. Recursively call the function on "xbxcdx" and append 'a' at the beginning of the result.
Step 2: The first character is 'x'. Recursively call the function on "bxcdx" and append 'x' at the end of the result.
Step 3: The first character is 'b', which is not 'x'. Recursively call the function on "xcdx" and append 'b' at the beginning of the result.
Step 4: The first character is 'x'. Recursively call the function on "cdx" and append 'x' at the end of the result.
Step 5: The first character is 'c', which is not 'x'. Recursively call the function on "dx" and append 'c' at the beginning of the result.
Step 6: The first character is 'd', which is not 'x'. Recursively call the function on "x" and append 'd' at the beginning of the result.
Step 7: The first character is 'x'. Recursively call the function on an empty string and append 'x' at the end of the result.

Final Result: "abcdxx"

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In the lesson, you learned about the various uses of computers in manufacturing, from design to the control of manufacturing processes. Write a short report about the advantages and main features of CAD. Discuss the main applications of CAM as well.

Answers

Some of the main features of Computer Aided Design:
(CAD) are:

Modeling in solids.Engineering drawings are created from solid models.Surface modeling in freeform.Assemblies are collections of pieces and/or other assemblies that are designed automatically.Design components can be reused.

Glassworking, woodturning, metallurgy and spinning, and graphical refinement of the entire production technique are some of the key uses of the Computer Aided Manufacturing (CAM) system. CAM systems are used to create solids of rotation, flat surfaces, and screw threads.

What is CAD?

The use of computers to help in the development, alteration, analysis, or optimization of a design is known as computer-aided design.

This program is used to boost the designer's efficiency, improve design quality, improve communication through documentation, and develop a database for production.

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(n) ____ operator requires a single operand either before or after the operator. unary single binary

Answers

A unary operator requires a single operand either before or after the operator.

Who is a  unary operator?

This is known to be a person or  an operator that is often known to use or operate only on a single operand so as to return a new value.

Note that A unary operator requires a single operand either before or after the operator.

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what happens when you connect a new internal hard drive to a windows pc?

Answers

When you connect a new internal hard drive to a Windows PC, the operating system will recognize the drive and assign it a letter.

What is Windows PC?

Windows PC is a computer that runs Microsoft Windows operating system. It is one of the most widely used operating systems in the world, with over 1 billion users. Windows PC is used for a variety of tasks, including word processing, web browsing, gaming, multimedia playback, and more. Windows PCs typically come with preinstalled software such as Microsoft Office and antivirus software.

This letter will be either E: or F:, depending on the number of drives already installed on the computer. At this point, the drive will appear as a new drive in the File Explorer window. You can then format the drive and begin using it to store files and programs.

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Which slide should you change so that it reflects on all the slides?
Any change you can make to a slide in Normal view can be made to the slide master so the change will be reflected on all slides in the presentation.

Answers

A presentation's theme and slide layouts, including the background color, typefaces, effects, placeholder sizes, and positioning, are stored on the top slide, known as the "slide master."

To save the image you wish to add to your computer, click it with your right mouse button. After selecting the View tab, choose the Slide Master command. Any modification you make to a slide in the presentation's Normal view also affects the slide master, which updates all other slides.

The slide whose arrangement you want to change should be selected. Select Home > Layout. A preferred configuration should be chosen. The layouts can contain text, video, pictures, charts, shapes, clip art, backgrounds, and other elements.

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Convert the decimal number 164 into the equivalent 8 bit binary number. ​

Answers

Answer:

10100100

Explanation:

8 bit system consists of 8 bits or 8 positions and each of them can have binary value (0 or 1).

Each bit is equivalent to a certain power of number 2. Important to know is that you read these bits from right to left.

So, this means that the bit furthest to the right has the value of 2^0, which is 1. The bit to the left has the value of 2^1, which is 2. Next one is 2^2, which is 4 etc. This means that the bit furthest to the left has the value of 2^7, which is 128.

The bit has this potential value only if value 1 if is in its position. If the value is 0 then, regardless of position, value of the bit is 0.

Decimal value of the number is calculated when we add all the values of the bits marked with 1.

So, we're dealing with number 164. We already said that leftmost bit has the value of 128 if it's marked with 1:

1 0 0 0 0 0 0 0 = 128

Next bit has the value of 64, but 128+64 would exceed the value of our number, so the second leftmost bit remains 0.

Next bit has the value of 32, 128+32 is 160, which is less then our number, so we mark the third bit with 1:

1 0 1 0 0 0 0 0 = 160

Similarly, we continue down the line. We only need 4 to reach the value of our number, so we'll mark with 1 the bit that has the value of 4, which leaves us with the solution:

1 0 1 0 0 1 0 0 = 164

A group worker is planning a group that will be conducted over the internet with web-conferencing software that allows people to meet together at a designated time. What type of specialty group is the group worker designing?.

Answers

A Webinar is a type of Web conferencing that resembles a conference but is conducted web - based.

A sort of web conferencing is a webinar. It is exactly like attending a seminar online. For seminars, lectures, workshops, or product and service demos, webinars are useful.

What varieties of web conferencing are there?

Five types of online conferencing

Webinars. This is the name for online seminars, also known as webcasts and web meetings. Web meetings are virtual gatherings that promote conversation among the attendees.Collaboration online.Electronic presentations

In that they occur in real-time, online, and contain a ton of content, video conferences and webinars have a lot in common. But unlike webinars, which are often one-to-many information encounters, video conferences do not.

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A Webinar is a type of Web conferencing that resembles a conference but is conducted web - based. A sort of web conferencing is a webinar. It is exactly like attending a seminar online. For seminars, lectures, workshops, or product and service demos, webinars are useful.

What varieties of web conferencing are there?

Five types of online conferencing Webinars. This is the name for online seminars, also known as webcasts and web meetings.

Web meetings are virtual gatherings that promote conversation among the attendees.

Collaboration online.

Electronic presentations

In that they occur in real-time, online, and contain a ton of content, video conferences and webinars have a lot in common. But unlike webinars, which are often one-to-many information encounters, video conferences do not.

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Suppose you wanted to quickly take a photograph of a dew drop on a rose petal before it rolled off. Which camera mode would be most

appropriate?

A: landscape

B: L

C: macro

D: M

Answers

It would be C

Or search up the difference of those camera modes to see which one is better but I’m going with C

Answer:

The answer is M

Explanation:

EDGE 2022

Which type of project would most likely need a project manager?
O A. One that involves a digital product
O B. One involving many team members
C. One involving few team members
O D. One covering a short period of time

Answers

the answer is D. One covering a short period of time

The type of project would most likely need a project manager is one covering a short period of time. Thus, option D is correct.

What is the main role of project manager?

The main role of the project manager is that it has been basically assisting the project managers by coordinating, as well as analyzing and the planning the specific project.

The main responsibility of the assistant project managers has to supporting the given function of the project and to execute the given project.

According to the given question, a typical project office is basically responsible for managing the large projects which include both the project manager and the assistant project managers.

Therefore, one covering a short period of time is the work that need a project manager. Thus, option D is correct.

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