(a) Explain what the following Java components are used for.JListJFrameFLowLayoutJpanelJFrameEventListener(b) Write simple Java codes to illustrate how each one of the above components are implemented.​

Answers

Answer 1

Answer:

Welcome to Gboard clipboard, any text you copy will be saved here.


Related Questions

state the base of correct addition of 27 + 6 =34​

Answers

Answer:

9

Explanation:

lets do calculations with ONLY the rightmost digits, ie., 7 + 6 = 4, so we're ignoring the carry.

Then, following must be true as well:

7+5 = 3

7+4 = 2

7+3 = 1

7+2 = 0 <= this reveals our base 9

7+1 = 8

7+0 = 7

Consider our authentication protocol 4.0, in which Alice authenticates herself to Bob, which we saw works well (i.e., we found no flaws in it.). Now suppose that at the same time that Alice authenticates herself to Bob, Bob must authenticate himself to Alice. Give a scenario by which Trudy, pretending to be Alice, can now authenticate herself to Bob as Alice.

Answers

According to protocol 4.0, the scenario can be defined in terms of Bob, Alice and Trudy as follows:

The communication is done between Bob and Alice only in whom they share a secret key KAB with each other. The Trudy is an intruder who wants to get the information that is being communicated between Alice and Bob. To do so, Trudy wants Bob to initiate the communication by authenticating herself her Alice. Thus, Trudy waits for the Bob to start in-order to make the Bob authenticate himself.

Here are the steps how the communication is done between the Bob and Trudy:

Step 1: Bob starts the communication by himself to other side and waits for the reply.

Step 2: Trudy starts to disguise as Alice herself and authenticate herself to Bob.

Step 3: After looking at the reply, Bob sends the nonce key to Trudy. At this step, still Trudy does not know the KAB(R) in-order to reply to Bob.

Step 4: At this point Trudy response to the step-1 while Bob still continuing to authentication. Trudy picks the nonce for the Bob to encrypt the message with the Bob sent nonce in the Step-3.

Step 5: Now Bob completes his own authentication to himself on the other side of encrypting the nonce he sent at step 4. Where, Trudy gets the nonce key KAB( R).

Step 6: Now, Trudy completes her authentication in responding to R that is sent by Bob in step 3. At this point, Trudy has responded properly, so Bob thinks that he is communicating with Alice(Trudy).

The actual scenario with respect to above steps, the communication is done as follows:

Bob: “I am Bob”

Trudy: “I am Alice”

Bob: “R”

Trudy: “R”

Bob: “KAB (R )” – Bob completes his authentication.

Trudy: Get the KAB (R ) – Trudy complete her authentication.

Thus, the communication is started between the Bob and Trudy instead of Bob and Alice according to protocol 4.0.


• R7.9 Write enhanced for loops for the following tasks.
a. Printing all elements of an array in a single row, separated by spaces.
b. Computing the maximum of all elements in an array.
2. Counting how many elements in an array are negative.

Answers

Answer:

a is the correct answer

Explanation:

correct me if I'm wrong hope it's help thanks

Which of the following is NOT an arithmetic operator?

Answers

Considering the available options, the choice that is NOT an arithmetic operator is "]."

What is Arithmetic Operator?

Arithmetic Operator is the term used in computer science to describe the mathematical function that takes two operands while making calculations.

Arithmetic Operators are generally used for arithmetic and sequential calculation.

Major Arithmetic Operators

+ (addition), - (subtraction), * (multiplication), / (division), % (modulo).++ Autoincrement−− Autodecrement

Hence, in this case, it is concluded that the correct answer is "]."

The available options are:

a.+

b.-

c. *

d. ]

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I have a D in one of my majors, I got a lot of 70s and I'm failing music. im in middle school. Will I be held back? Please answer this

Answers

Answer:

probably sorry it will be okay

Depends on where you’re from and what grading scale is used. I wouldn’t say you’re ruined if you push hard the rest of the year.

Which of the following will you do in step X in the following series of clicks to change the bounds of
a chart axis: Chart > Chart Tools > Format tab > Current Selection> Format Selection > Format Axis
> Axis Options > Vertical Axis crosses > At Category number > X?
O Expand Labels, then under Interval between labels, select Specify interval unit and type the
number you want in the text box.
O Expand Tick Marks, and then in the Interval between tick marks box, and type the number that
you want
N
Type the number that you want in the text box.
O Expand Tick Marks, and then select the options that you want in the Major type and Minor type
boxes.

Answers

In order to change the bounds of  a chart axis after performing the aforementioned series of clicks, at step X: C. Type the number that you want in the text box.

A step chart can be defined as a line chart that uses both the vertical and horizontal lines to connect two (2) data points. Thus, it enables an end user to see the exact point on the X-axis when there is a change in the Y-axis.

In Microsoft Excel, the series of clicks that are used to change the bounds of  a chart axis are:

Click on chart.Select chart tools and then format tab.Select the current selection and then format selection.Click on format axis and then axis options.Click on vertical axis crosses.At category number, you should type the number that you want in the text box.

In conclusion, typing the number that you want in the text box is the action that should be performed at step X.

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Which of the following is NOT an example of editing?
O Adjusting photos
O Cutting video and audio
O Proofreading written content
O Designing graphics

Answers

Answer:

ang answer po at proofreading written

content

Explanation:

if I wrong please correction me!

A sample member of the list data is a1 = ['male', True] where the second item is True if the person is on the phone.

for item in data:
if item[0] == 'male':
males = males + 1
if item[___
]:
malesOnPhone = malesOnPhone + 1
Choices are 1, 2, 3. Answer is for if item[___]:

Answers

Answer:

0

Explanation:
In the lists, indexation starts from 0, because of that in if statement we compare item[0] which is 'male' and 'male', and then males is itterated within for loop.

Three steps can be taken to construct a list of elements using a for loop: Make an empty list appear. Iterate through an iterable or set of elements. Add each component to the list's end.

What loop for sample member of the list data?

An Array List can be looped through using an Iterator. If there are additional members in the Array List, the method hasNext() returns true; otherwise, it returns false. If there is no next element, the method next() raises the No Such Element Exception and returns the next element in the Array List.

FOR LOOPS and WHILE LOOPS are two popular types of loops. A For loop runs a variable number of times. LOOP TYPE — FOR LOOP When you know how many times you want to run an algorithm before stopping, you use for loops.

Therefore, Since indexation in lists begins at 0, we must compare item[0], which is “male,” with “male” in the if statement before iterating through males in the for loop.

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why do you think mobile devices have CPUs that are less powerful than those in a larger desktop computer?

Answers

Mobile CPUs are found in laptops and are often slower than their desktop counterparts because they have to be more power-efficient and generate less heat. High power consumption and high heat generation can be a problem for a battery-powered laptop with a relatively small chassis

Mobile devices have CPUs that are less powerful than those in a larger desktop computer needs power as well as the device memory that was needed is not present.

What is CPU?

The central processing unit also known as CPU is an important part of the computer as it posses the part where the basic functions like taking actions, input or ouput etc. This all process needs high power and battery as well as storage.

For a battery excessive electricity utilization and significant temperature rise can just be problems. The CPU of a device cannot be powered at higher, continuous levels using such a little battery.

As a result, the most recent cellphone cannot compete with the performance of a top-tier desktop computer. the processor as well as the battery is needed for a CPU that can not be in mobiles.

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Brainliest if correct. 5. if you wanted b show how many employees at your office ride a bicycle to work in
comparison to the number of employees who drive a car, take public transportation,
or walk wihat visual would be best? (1 point)

Answers

Answer:

I believe a bar graph would be best for me. What are your answer options though?

Explanation:

hi hi hihihihihivvv hihihihihihi v vhi

Answers

Answer: hihihihihihiihihi hihihihiihihih

Explanation: hi.

What is important to know from a software development perspective about this topic and its relationship with traditional operating systems? How does developing the software for each platform differ? How is it similar?

Answers

What is important to know from a software development perspective about this topic and its relationship with traditional operating systems? How does ...

What does it mean "Be Proactive"?

Answers

Answer:controlling a situation by making things happen or by preparing for possible future problems

Explanation:

Make things happen instead of waiting for them

When do you think is the right time to use Styles,

Answers

Answer:

1. Democratic Management Style

2. Coaching Management Style

3. Affiliative Management Style

4. Pacesetting Management Style

5. Authoritative Management Style

6. Coercive Management Style

7. Laissez-Faire Management Style

8. Persuasive Management Style

Question 4 A data analyst wants to include a line of code directly in their .rmd file in order to explain their process more clearly. What is this code called

Answers

A line of code that can be inserted directly into a .rmd file is called an inline code.

R Markdown (.rmd file) is a file format that is typically used for making dynamic documents by using R Studio and R programming language. Also, R Markdown files can be used in the following ways:

To save, organize, and document an executable code.To create a record of any cleaning process.To generate reports containing an executable code for stakeholders.

In R Studio, an inline code is a line of code that can be inserted directly into a R Markdown (.rmd file), in order to explain a process more clearly.

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what was the pascaline used for?​

Answers

Answer:

Math like multiplication, addition, division, and subtraction

Meenakshi has created a presentation of six slides. The slides have the same background, but s wants to change the background of each slide. Which option can help her in doing so?​

Answers

Ans:- Using Background Styles button present in Background group on the Design tab.

This provides an easy method for workers to use their computers. FAT FAT RAM RAM DOS DOS GUI

Answers

C: GUI or Graphical User Interface.
A: Dos is an operating system (MS Dos)
B Fat is a file format for drives
D: Ram is one of the many things that makes a computer work

Answer:

GUI

Explanation:

check image dont answer if you dont know please

Answers

Answer:

Explanation:

1-2nd option

2-1st option

3-last option

hope this helps!! have a good rest of ur day!! <3

As a Waterfall project manager, your goal is to minimize any changes that could lead to scope creep. You want to protect your team from building something the client or stakeholders don’t want. What formal and rigorous process could you set up to safeguard against this?

Answers

The necessary things that should be done to avoid a project scope creep include documenting the project requirements and setting up change control processes.

The scope of a project simply means the work that is required in order to complete a project. On the other hand, project scope creep means the occurrence that happens when changes are made to the scope without a change request.

To avoid project scope creep, it's important to document the project requirements, set up changes in control processes, and have a clear project schedule.

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A user is following the instructions of a help desk technician and is attempting to launch System File Checker from the command-line interface. Each time the user types sfc /scannow and presses Enter, the utility fails to run, and an error appears stating the command must be run using an elevated command prompt.

Answers

The user must open the command-line interface using Run as administrator.

Which of the following Access objects provides a user-friendly data entry method?
Select one:
a. query
b. table
c. form
d. report

Answers

Answer:

Table

Explanation:

Microsoft Access uses an object called a _____ to enter and organize data.

The answer is table.

Add comma(s) where needed, if needed.


My birthday October 31 2005 is on Halloween.


My birthday October 31 2005 is on Halloween. (no change)


My birthday October 31, 2005, is on Halloween.


My birthday October 31, 2005 is on Halloween.


My birthday, October 31, 2005, is on Halloween.

Answers

Answer:

My birthday, October 31, 2005, is on Halloween.

Explanation:

The correct option with commas is "My birthday, October 31, 2005, is on Halloween."

Why is this correct?

The revised sentence "My birthday, October 31, 2005, is on Halloween." correctly uses commas to separate the date from the year and to set off the date as an appositive.

This improves clarity and follows proper punctuation rules.

Hence,. The correct option with commas is "My birthday, October 31, 2005, is on Halloween."

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describe the process of terminating a crossover cable​

Answers

Background: In the Information Technology World, the Ethernet cable has been the most trusted medium that is link computers to the world wide web. However, in recent years, wireless technology has limited the use of the Ethernet cable. Nonetheless, true computer geeks know that in order to receive optimum speed within a computer network in a business or inside our homes; the proper cabling technics are crucial when installing a computer network. Therefore, this instructable will provide step-by-step procedures on the proper way to terminate a CAT 6 cable using the TIA 568B standard for a straight-through cable. The procedures used for the straight-through cable can also be utilized to terminate a cross-over and roll-over cable.

Cable Pin-outs: Straight-Through, Cross-over, and Roll-over cables

Step 1: Prepare the cable

Using the cable snips, remove approximately one half inch of outer cable sheath/jacketing from each cable end.

Step 2: Cut cable wires to the appropriate length

Cutting the wires to the proper length allows for the CAT 6 cable to properly fit in the RJ-45 connector.

Step 3: Align cable wires for the specific configuration that will be terminated

The alignment of the wires will ensure they enter the proper channel within the RJ-45 connector when inserting the wires.

Step 4. Slide cable into the RJ-45 Connector

When sliding the cable into the RJ-45 connector, use enough force to ensure the end of the wires are seated firmly at the end of the RJ-45 connector channels.

Step 5. Insert the RJ-45 connector in the crimping tool and Crimp the RJ-45 connector

When inserting the cable into the crimping tool, use enough force to ensure that the cable doesn’t slide out of the crimping tool and the wires do not become misaligned. In addition, while crimping the connector, use enough force to push the copper conductors down on to the wires and the plastic tab on to the outer sheath of the cable. You will hear a click once all the copper tabs are seated properly.

Step 6. Perform a visual inspection of the connector

The visual inspection is to ensure that the connector is properly terminated to the cable. Look for issues with wire alignment and connector looseness.

Step 7. Repeat steps to terminate multiple connectors.

Window server how it works

Answers

The server handles the administrative group-related activities on a network. It basically stores, recover and send the files to all the devices that are connected to the network of that server. Windows has made a line of operating systems specifically for use in servers.
Windows Server is a group of operating systems designed by Microsoft that supports enterprise-level management, data storage, applications, and communications. Previous versions of Windows Server have focused on stability, security, networking, and various improvements to the file system.
A window is a separate viewing area on a computer display screen in a system that allows multiple viewing areas as part of a graphical user interface ( GUI ). Windows are managed by a windows manager as part of a windowing system . A window can usually be resized by the user.

Where is the option to set Conditional Formatting rules found?
O Insert tab in the Formatting group
O Page Layout tab in the Styles group
O Home tab in the Styles group
Formulas tab in the Formatting group

Answers

Answer:

C. Home tab in the Styles group

Explanation:

answer on edge 2021

When defining a system
landscape, the following are all
necessary to operate the ERP
system,
except
Select one:
O a. Techincal expertise.
O b. Computer hardware.
O c. Networking hardware.
O d. None of the above.
O e. All of the above.

Answers

All of the given answer options are necessary to operate the enterprise resource planning (ERP) system when defining a system  landscape.

Enterprise resource planning (ERP) can be defined as a business strategy process through which business firms manage and integrate the main parts of their day-to-day business activities by using software applications.

The main objective and purpose of an enterprise resource planning (ERP) system is to significantly reduce costs by integrating all the operations of a business firm.

In Computer science, when defining a system  landscape, all of the following are necessary to operate the enterprise resource planning (ERP) system:

Technical expertiseComputer hardwareNetworking hardware

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Write a description about this picture

Answers

Answer:

A cube which has holes in it, represented by circles and it has an oval/sphere on top of the figure

Explanation:

Answer: A Square with circular holes and a tall round circle/torus sticking out of the top circle hole in all there are 6 circular holes 1 square and 1 tall round circle/torus

Explanation:

Im sorry if this isnt what you meant if it isnt i can try again

write a code for a program in which the parent had to ask from user that how many child user wants to create and then it should fork that many Childs?

Answers

Answer:

//same program different code

#include<stdio.h>

#include<unistd.h>

#include<stdlib.h>

int main()

{

   int pid;

   pid=fork();

   if(pid<0)

   {

       printf("\n Error ");

       exit(1);

   }

   else if(pid==0)

   {

       printf("\n Hello I am the child process ");

       printf("\n My pid is %d ",getpid());

       exit(0);

   }

   else

   {

       printf("\n Hello I am the parent process ");

       printf("\n My actual pid is %d \n ",getpid());

       exit(1);

   }

}

Explanation:

Following are the program to the given question:

Program Explanation:

Include header file.Defining the main method.Defining an integer variable "n, i", after defining this use "n" to the input value.In the next step, a loop is declared that uses if block that checks fork value equal to 0, in which it calls the sleep method and prints its value.At the last, it calls the wait method.  

Program:

#include<stdio.h>//header file

#include<sys/types.h>

#include<sys/wait.h>

#include<unistd.h>

int main()//defining the main method

{

   int n,i;//defining an integer variable

   printf("Enter the number of child to be created:"); //print message

   scanf("%d", &n);//input value in n

   for(i=0;i<n;i++) // defining a loop that use if block with the frok method to print value  

   {

       if(fork() == 0)//use if that check fork method value equal to 0

       {

           sleep(3);//calling sleep method

           printf("[child] pid %d from [parent] pid %d\n",getpid(),getppid());//print message

       }

   }

   wait(NULL);//calling wait method

   return 0;

}

Output:

Please find the attached file.

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match the following. dont answer if you dont know please.

Answers

Answer:

instructions= command

the background screen on a computer= desktop

an organized system= folder

list of commands= GUI

performing more then 1 task= multi tasking

an object that contains multiple files= dictionary

graphical user inference= menu

Explanation:

hope this help :)