Unified Modelling Language is independent of particular programming languages, but it does provide standard visual symbols and notations for specifying object-oriented elements, such as classes and procedures.
Define unified modeling language.
In the realm of software engineering, the Unified Modeling Language is a general-purpose, developmental modeling language that aims to offer a uniform method of visualizing system architecture. The Unified Modelling Language class diagram depicts the object's properties, functions, and relationships. Classes are connected by arrows, which highlight significant relationships. Among other things, the arrows signify affiliation, inheritance, aggregation, composition, reliance, and realization.
A modeling language with many uses is called Unified Modeling Language (UML). The basic objective of UML is to specify a common method for visualizing a system's design process. It resembles plans used in other branches of engineering quite a bit.
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FILL IN THE BLANK. ___ is a form of supervised learning that is suitable for situations where data are abundant, yet the class labels are scarce or expensive to maintain and where the learning algorithm can query a person for labels.
Active learning is a form of supervised learning that is suitable for situations where data are abundant, yet the class labels are scarce or expensive to maintain and where the learning algorithm can query a person for labels.
What does supervised learning using examples mean?Predicting housing values is a real-world example of supervised learning issues.We must first gather information about the homes, such as their dimensions, number of rooms, characteristics, and whether or not they have gardens. The cost of these dwellings, or the labels that relate to them, must then be known. A subset of machine learning and artificial intelligence is supervised learning, commonly referred to as supervised machine learning. It is distinguished by the way it trains computers to properly categorize data or predict outcomes using labeled datasets.For issues where the data is in the form of labelled examples, where each data point has characteristics and a corresponding label, supervised learning is a machine learning paradigm.To learn more about supervised learning refer to:
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6) Which of the following Venn diagrams closely represents the relationship between various disciplines and sub-disciplines one wh 1 CS/IT DM ut with an in PATIENT ML DM ML STATS CS DM ML
The Venn diagrams that closely represents the relationship between various disciplines and sub-disciplines is option C;
What are Venn diagrams?The similarities and differences between objects or groups of objects are displayed using a Venn diagram using circles that either overlap or do not overlap. Circles that share characteristics are displayed as overlapping, but those that are unique stand alone.
A Venn diagram employs circles or other shapes that overlap to show the logical connections between two or more groups of objects.
Therefore, option C is selected because when you look at the diagram. they are all existing in one environment and they can easily interact with one another. This is not the same with the other two because they only shows two association instead of three.
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suppose the method printstar(n) is given to display n stars. write a recursive method printtriangle(k) that displays a triangle. for example, printtriangle(5) displays * ** *** **** *****
Launch the algorithm, Verify that the value(s) being processed right now match the base case. Rephrase the solution in terms of a more manageable or straightforward sub-problem or sub-problems. Execute the algorithm on the related issue.
How do I construct a JavaScript recursive function?Recursive functions are those that call themselves repeatedly. Recursive functions have the following syntax: function recurse(); / function code recurse(); The recursive function in this case is called recurse().
Recursive formula examples: what are they?Any term of a series can be defined by its preceding term in a recursive formula (s). For instance: An arithmetic series has the recursive formula a = an-1 + d. An = An-1r is the recursive formula for a geometric sequence.
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help so i took off stickers on the back monitor and i dont know how to get rid of this stuff pls help ive tried many things pls help
Answer:
get a damp paper dowel and gently wipe off that stuff
Kaylie Is Writing A Program To Determine The Largest Number In A List Of Numbers. She Comes Up With The Following Algorithm. Step 1: Create A Variable Max And Initialize It To 0. Step 2: Iterate Through List Of Integer Values. Step 3: If An Element's Value Is Larger Than Max, Set Max To That Element's Value. For Which Of The Following Lists Will Kaylie's
Kaylie is writing a program to determine the largest number in a list of numbers. She comes up with the following algorithm.
Step 1: Create a variable max and initialize it to 0.
Step 2: Iterate through list of integer values.
Step 3: If an element's value is larger than max, set max to that element's value.
For which of the following lists will Kaylie's algorithm work?
A. [0,7,2,11]
B. [−3,−2,−1]
C. [−2,−1,0,−5]
D. Both A and C.
The algorithms used by Kaylie to find the largest number in a list of numbers are [0,7,2,11] and [2,1,0,5].
An algorithm is a written formula that is part of software and, when triggered, tells the tech what to do to solve a problem. Computer algorithms work with input and output. The system analyzes the data entered and issues the appropriate orders to bring about the intended outcome.
What purposes serve algorithms?An algorithm is a process for carrying out calculations or solving problems. In either hardware-based or software-based routines, algorithms work as a precise sequence of instructions that execute predetermined tasks sequentially. Algorithms play a big role in information technology across the board.
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what are the identifiable elements of control structure.
Answer:
hope it helps please mark as brainliest
Explanation:
Flow of control through any given function is implemented with three basic types of control structures:
Sequential: default mode. ...
Selection: used for decisions, branching -- choosing between 2 or more alternative paths. ...
Repetition: used for looping, i.e. repeating a piece of code multiple times in a row.
Python task
Enter 8 grades of the student received by him during the study of the topic. Determine the student's average grade for the topic. Determine how many marks are higher than 50.
Enthalpy Changes the overall energy change in the substance portrayed in the graph at 48°C.
What are the data that were obtained from the question?Mass (m) = 0.3 Kg
Initial temperature (T1) = 20°C
Heat (Q) added = 35 KJ
Specific heat capacity (C) = 4.18 KJ/Kg°C
Final temperature (T2)
The final temperature of water can be obtained as follow:
Q = MC(T2 – T1)
35 = 0.3 x 4.18 (T2 – 20)
35 = 1.254 (T2 – 20)
Clear the bracket
35 = 1.254T2 – 25.08
Collect like terms
1254T2 = 35 + 25.08
1.254T2 = 60.08
Divide both side by the coefficient of T2 i.e 1.254
T2 = 60.08/1.254
T2 = 47.9 ≈ 48°C
Therefore, the final temperature of the water is 48°C.
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The figure below represents a network of physically linked devices, labeled A through F. A line between two devices indicates a connection. Devices can communicate only through the connections shown.
Which of the following statements are true about the ability for devices A and C to communicate?
The network is fault tolerant. If a single connection fails, any two devices can still communicate. Computers B and F need to first communicate with at least one other device in order to communicate with each other. The correct statements are I and II.
What is a network?Computer networking is the term for a network of connected computers that may communicate and share resources.
These networked devices transmit data through wireless or physical technologies using a set of guidelines known as communications protocols.
Local-area networks (LANs) and wide-area networks are two fundamental types of networks (WANs). LANs use links (wires, Ethernet cables, fibre optics, and Wi-Fi) that carry data quickly to link computers and peripheral devices in a constrained physical space, such as a corporate office, lab, or college campus.
The network can withstand errors. Any two connected devices can still communicate even if one connection breaks. In order to communicate with at least one other device, Computers B and F must first communicate with that device.
Thus, both the statements are correct.
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Your question seems incomplete, the complete question is:
The figure below represents a network of physically linked computers labeled A through F. A line between two computers indicates that the computers can communicate directly with each other. Any information sent between two computers that are not directly connected must go through at least one other computer. For example, information can be sent directly between computers A and B, but information sent between computers A and C must go through other computers.
Which of the following statements are true about this network:
I - The network is fault tolerant. If a single connection fails, any two devices can still communicate.
II - Computers B and F need to first communicate with at least one other device in order to communicate with each other.
note: this is a multi-part question. once an answer is submitted, you will be unable to return to this part. consider the following symbols and their frequencies: a: 0.20, b: 0.10, c: 0.15, d: 0.25, e: 0.30 since b and c are the symbols of least weight, they are combined into a subtree, which we will call t1 for discussion purposes, of weight 0.10 0.15
Average number of bits required to encode a character in Huffman code for the given weights and given frequencies is = 2 x 0.20 + 3 x 0.10 + 3 x 0.15 + 2 x 0.25 + 2 x 0.3 = 2.25
What is Huffman code?
A lossless data compression algorithm is huffman coding. Input characters are given variable-length codes, the lengths of which are determined by the frequency of the matching characters.
The character used the most often is given the smallest code, and the character used the least often is given the largest code.
The variable-length codes (bit sequences) assigned to input characters are Prefix Codes, which indicates that no other character will have a code that is the prefix of the code assigned to that character.
This is how Huffman Coding ensures that the produced bitstream cannot contain any ambiguities during decoding.
The concept of prefix code, which states that a code associated with a character should not be included in the prefix of any other code, is used by Huffman Coding to avoid any ambiguity in the decoding process.
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TRUE OR FALSE in most modern relational dbmss, a new database implementation requires the creation of special storage-related constructs to house the end-user tables.
Answer:
Trueeee
Explanation:
:DD
how to create a reminder app, uses your activity guide to help you plan. when done, submit your work. reddit
Name and logo Select a template or a blank app, then provide the name and icon information. Define Features. Choose the features that best fit your needs from the app's designer. Publish. Click "Publish," and we'll take care of the rest.
In code org, how can I construct a list?An unordered list can be created in two steps: the list itself and the list elements. Write the unordered list tags in order to create the list. Your list elements should then be added inside the unordered list tags. Use the list item tags to create each list item and place the list item text inside the tags.
How can I find answers from code.org?You can view accessible solutions to most levels on the site if you have a teacher account. when you're logged in, utilizing the "See a solution" button on the right. To open the Teacher Panel with that button, click on the blue arrow in the very right corner of your page.
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When catching multiple exceptions that are related to one another through inheritance, you should handle the more specialized exception classes before the more general exception classes.
(T/F)
True, when catching multiple exceptions related by inheritance, you must handle the more specialized exception classes first, followed by the more general exception classes.
Java Catch Multiple Exceptions:
Multi-catch block in Java: One or more catch blocks can follow a try block. Every catch block must have its own exception handler. So, if you need to perform multiple tasks in response to different exceptions, use java multi-catch.Only one exception occurs at a time, and only one catch block is executed.All catch blocks must be ordered from most specific to most general, for example, catch for ArithmeticException comes before catch for Exception.To know more about Java exception, visit: brainly.com/question/29347236
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which email opening rate is best for email marketing?
Answer: 15-25%
Explanation:
. You want to record and share every step of your analysis, let teammates run your code, and display your visualizations. What do you use to document your work? O A database O An R Markdown notebook O A data frame O A spreadsheet
The best way to document your work is to use an R Markdown notebook.
Use of R Markdown notebook:
This allows you to write code and add comments, while also creating a high-quality document that can be shared with others. The notebook can include code, text, and visualizations, making it an ideal way to record every step of your analysis. Additionally, the code in the notebook can be easily run by teammates, ensuring that everyone has access to the same results. Finally, the notebook can also be used to generate data frames and spreadsheets that can be used to further analyze the data.
The Benefits of Using an R Markdown Notebook for Documenting Your WorkDocumenting your work is an important part of any data analysis project. It allows you to track your progress, and also allows others to understand and replicate your work. One of the best ways to document your work is to use an R Markdown notebook. This type of notebook has many advantages, including the ability to write code and add comments, create a high-quality document that can be shared with others, and generate data frames and spreadsheets for further analysis.
Using an R Markdown notebook for your project allows you to write code and add comments to explain each step of your analysis. This makes it easy to keep track of your progress, as well as to understand what each step of your analysis is doing. Additionally, the notebook allows you to create a high-quality document that can be shared with others.
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Lisa needs to identify if a risk exists on a web application and if attackers can potentially bypass security controls. However, she should not actively test the application. Which of the following is the BEST choice?A. perform a penetration testB. perform a port scanC. perform a vulnerability scanD. perform traffic analysis with a sniffer
Perform a vulnerability scan. The practice of locating security holes and faults in computer systems and the software that runs on them is known as vulnerability scanning.
What does a vulnerability scan do?The practice of locating security holes and faults in computer systems and the software that runs on them is known as vulnerability scanning. This is a crucial part of a vulnerability management program, which has as its main objective safeguarding the organization from breaches and the disclosure of private information.Although different security professionals may refer to the various steps of security exploit detection or types of vulnerability scans by different names, security scanning often falls into one of three categories: Exploration Scanning. Complete Scanning scanning for compliance.
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In c++, for every opening curly brace ({), there should be a closing curly brace (}) .
true or false
Answer: True
Explanation:
which of the following programs will result in filterednames only containing the names of students who are 17 or older?O B- for var i=0 i
The program that will result in filtered names only containing the names of students who are 17 or older is for var i=0 i<ages, length, i++) age=ages [i] if (age<17) append items filtered names, age (17 and names). The correct option is b.
What is the program?A computer program is a sequence or set of instructions in a programming language for a computer to execute. Computer programs are one component of software, which also includes documentation and other intangible components.
Computer programs include MS Word, MS Excel, Adobe Photoshop, Internet Explorer, Chrome, etc. To create graphics and special effects for movies, computer applications are used.
Therefore, the correct option is b.
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The question is incomplete. Your most probably complete question is given below:
for (var i = 0; i < ages.length; i++){ age = ages[i]; if (age < 17){ }
appendItem(filteredNames, age)
REPEAT 2 TIMES
{
REPEAT 2 TIMES
{
}
MOVE FORWARD ()
TURN_LEFT()
}
for(var i = 0; i < ages.length; i++){
age = ages[i];
if (age < 17){
appendItem(filteredNames, names[i])
}
for (var i = 0; i < ages.length; i++){
age = ages[i];
if (age >= 17){
appendItem(filteredNames, names[i])
}
Answer:
D. "Analise", "Ricardo", "Tanya"
Explanation:
In Java, create a program to determine the perimeter and area of a rectangle. Write a rectangle class with a separate runner class. Allow the user to input the rectangle length and width. All should be tested in a runner. You need: file input using scanner, instance variables, constructors, minimum of 3 objects and 3 methods.
Example:
Please enter the length of the rectangle (in inches): 6
Please enter the width of the rectangle (in inches): 10
The area of the rectangle is 60 inches. The perimeter is 32 inches. Would you like to run another (y/n)?
The program to determine the perimeter and area of a rectangle can be written in Java programming language.
The code in Java is,
import java.util.*;
class Rectangle
{
private double l,w;
public Rectangle(double l,double w)
{
this.l=l;
this.w=w;
}
public double getArea()
{
return l*w;
}
public double getPeri()
{
return 2*(l+w);
}
public void printInfo()
{
System.out.println("The area of the rectangle is "+getArea()+" inches. ");
System.out.println("The perimeter is "+getPeri()+" inches.");
}
}
public class Main {
public static void main (String [ ] args)
{
Scanner sc=new Scanner(System.in);
char choice='y';
while(choice!='n'&&choice!='N')
{
System.out.println("Please enter the length of the rectangle (in inches): ");
double l,w;
l=sc.nextDouble();
System.out.println("Please enter the width of the rectangle (in inches): ");
w=sc.nextDouble();
Rectangle r=new Rectangle(l,w);
r.printInfo();
System.out.println("Would you like to run another (y/n)?: ");
choice=sc.next().charAt(0);
}
}
}
The variable l and w is to input for the length and width of rectangle, we can change the variable name.
We use the double datatype to ensure the precise calculation, also to provide the flexibility to the user since it doesn't only accept the integer number.
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In database access control area, which of following statement is the best to explain Authentication O Methods to restrict users to access the database system O Control to access to partial database o verifying whether a user is the claimed user o defining the scope of access O All above mentioned
In database access control area, which of following statement is the best to explain Authentication- verifying whether a user is the claimed user.
What exactly is authentication?To the server or client, the user or computer must authenticate their identity. A user name and password are typically required for server authentication. Card-based authentication, retinal scanning, voice recognition, and fingerprint authentication are additional options.
3 distinct types of authentication?Three categories of authentication factors exist: A token, like a bank card, is something you have; a password or personal identification number (PIN) is something you know; and biometrics, like voice and fingerprint recognition, are something you are.
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ben works as a database designer for abc inc. He is designing a database that will keep track of all watches manufactured be each manufacturer. Each manufacturer produces a range of watches. Ben wants the database to be normalized. How many tables should he include in the database?
Since ben works as a database designer for abc inc., the numbers of tables that he include in the database is between 3- 5.
What is data table in database?All of the data in a database is stored in tables, which are database objects. Data is logically arranged in tables using a row-and-column layout akin to a spreadsheet. Each column denotes a record field, and each row denotes a distinct record.
Therefore, one can say that database management system (or DBMS) is just a computerized data-keeping system. Users of the system are provided with the ability to carry out a variety of actions on such a system for either managing the database structure itself or manipulating the data in the database and thus 3-5 is ok.
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b.in cell b4, enter a formula using the sum function, 3-d references, and grouped worksheets that totals the values from cell b4 in the california:washington worksheets
Use Formula "=SUM(California: Washington!B4)" to calculate the total value from cell B4.
How to use formula in worksheet?
In addition, investment bankers and financial analysts frequently use Microsoft's spreadsheet program for data processing, financial modeling, and presentation.
Beginners must first become experts in the fundamental Excel formulas before they can advance to financial analysis.
A formula is a sentence that determines a cell's value. Excel already includes functions, which are predefined formulas.
Microsoft Excel is the data analysis program that is most frequently utilized.
While analyzing data, there are five usual ways to insert basic Excel formulas. Each technique has advantages.
1. By entering a formula in the cell.
2. Utilizing the Insert Function button on the Formulas tab.
3. Choosing a Formula from a Group in the Formula Tab.
4. Using AutoSum Option.
5. Use recently used tabs for a speedy insert.
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innovations in shipping and the growth of commercial networks were most directly related to which of the following other developments of the first half of the nineteenth century? innovations in shipping and the growth of commercial networks were most directly related to which of the following other developments of the first half of the nineteenth century?
Because the development of commercial networks and innovations in shipping were most closely linked to option B: the migration of more Americans to the west of the Appalachian Mountains.
What exactly is a business network?
Business networks are tremendous organizations, and the scale is the primary qualification among them and home organizations. Commercial networks and their smaller siblings, residential networks, use similar protocols, networking topologies, and services.
Companies can reap many advantages from networking, including: Build connections: You can form strong bonds with influential figures from a variety of industries by connecting with other businesses through networking, and you can contact them whenever you need to.
As a result, innovation can take the form of either a novel product, such as an invention, or the procedure of developing and introducing a novel product. Innovation is usually the cause of a new product, but it can also mean a new way of thinking or doing things.
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an analyst is cleaning a new dataset containing 500 rows. they want to make sure the data contained from cell b2 through cell b300 does not contain a number greater than 50. which of the following countif function syntaxes could be used to answer this question? select all that apply.
The countif function syntaxes that could be used to answer this question is =COUNTIF(B2:B300,"<=50").
The COUNTIF function counts the number of cells in the specified range that meet the criteria specified in the second argument (the criteria). In this case, the criteria is a string that specifies the condition "less than or equal to 50", so the function will count the number of cells in the range B2:B300 that contain a value less than or equal to 50. Here is an example of how you could use the COUNTIF function in a formula to check if the values in the range B2:B300 are less than or equal to 50:
=COUNTIF(B2:B300,"<=50")
The missing part in the question is shown below.
An analyst is cleaning a new dataset containing 500 rows. they want to make sure the data contained from cell b2 through cell b300 does not contain a number greater than 50. which of the following countif function syntaxes could be used to answer this question? select all that apply.
=COUNTIF(B2:B300,">50").
=COUNTIF(B2:B300,"<=50").
=COUNTIF(B2:B300,"<50").
=COUNTIF(B2:B300,"50").
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Technological singularity is point at which artificial intelligence advances so far that we cannot comprehend what lies on the other side
When artificial intelligence reaches the technological singularity, humans will not be able to understand what is on the other side.
What does "technological singularity" mean?The singularity in technology is a possible future in which unchecked and unstoppable technological advancement occurs. These sophisticated and potent technologies will fundamentally alter our reality in unpredictable ways.
What occurs when technology reaches its singularity?The technological singularity, often known as the singularity, is a possible future time point at which technological advancement becomes unstoppable and irreversible, bringing about unexpected changes to human civilization.
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Question:
at which artificial intelligence advances so far that we cannot comprehend what lies on the other side?
create one function to read the ids from the file employee.dat and tally how many belong to reach group. the function will need a temporary id variable to read into and evaluate.
To create one function to read the ids from the file employee.dat and tally how many belong to reach group and the function will need a temporary id variable to read into and evaluate, check the code given below.
What is variable?A variable is a named piece of data that has a value. Even if the value changes, the name doesn't. Variables are a common feature of programming languages, and they can take many different forms, depending on the script or software programmer.
Some variables are mutable, which means that their values can be altered. Other variables, known as immutable ones, cannot have their values added, changed, or removed after they have been assigned.
When a variable's value must conform to a specific data type, it is said to be typed.
#include<iostream>
#include<fstream>
#include<iomanip>
using namespace std;
void display_data(int arr[4]){
cout << "\n************************************************\n\n" ;
cout << arr[0] << " Employees belong to group 01 - HR \n\n" ;
cout << arr[1] << " Employees belong to group 02 - Purchasing \n\n" ;
cout << arr[2] << " Employees belong to group 03 - IT \n\n" ;
cout << arr[3] << " Employees belong to group 04 - Executive \n\n" ;
cout << "************************************************\n\n" ;
}
void read_data(){
ifstream ftp ;
ftp.open("Employee.dat" , ios::in);
int group[4] = {0, 0, 0, 0} ;
// Initialzing array of four integers to count number of employees in each section
int Id = 0 ;
while(!ftp.eof()){
ftp >> Id ;
if((Id >= 100) && (Id <= 299)){
group[0] = group[0] + 1;
}
else if((Id >= 300) && (Id <= 499)){
group[1] = group[1] + 1;
}
else if((Id >= 500) && (Id <= 799)){
group[2] = group[2] + 1;
}
else if((Id >= 800) && (Id <= 899)){
group[3] = group[3] + 1;
}
else{
cout << "\nInvalid Id Found\n" ;
break;
}
}
display_data(group) ;
}
int main(){
read_data();
return 0;
}
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Which of the following are factors that can cause damage to a computer? Check all of the boxes that apply.
dust
heat
humidity
magnetic fields
Answer: all of the above
Explanation: im him
which of the following is a general term for the component that holds system information related to computer startup?
Answer: BootLoader
Explanation: A bootloader is a general term for the component that holds system information related to computer startup.
The bootloader is responsible for loading the operating system into memory and initiating the boot process when the computer is turned on. It is usually stored in a dedicated area of the computer's non-volatile memory, such as ROM or NVRAM, and is accessed by the computer's central processing unit (CPU) as the first step in the boot process.
The bootloader contains information about the location and configuration of the operating system, as well as any additional boot options or settings that may be required. It is an essential component of the computer's system software, and is responsible for ensuring that the operating system is loaded and initialized correctly.
Write a program that reads integers, finds the largest of them, and counts its occurrences. Assume the input ends with number 0. Suppose you entered 3 5 2 5 5 5 0; the program finds that the largest is 5 and the occurrence count for 5 is 4. (Hint: Maintain two variables, ln ax and count. The variable max stores the current maximum number, and count stores its occurrences. Initially, assign the first number to max and 1 to count. Compare each subsequent number with max. If the number is greater than max assign it to max and reset count to 1 If the number is equal to max increment count by 1.)
The program requires the user to enter the number until the user enters 0. As the user enters zero, the program will display the largest number among other numbers that the user has entered and also display its occurrence. The required program is written in Java programming language below.
import java.util.Scanner;//import scanner class for taking input
public class MaxNumberFinder {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
// ask or prompt user to enter the number
System.out.print("Enter numbers: ");
int maximum = input.nextInt();// assign entered number to max
int counter = 1; // assign 1 to count
int userNumber=1; // hold for future
// Assume that the input ends as user enter zero
while (userNumber > 0) {
userNumber = input.nextInt();
if (userNumber > maximum) {
maximum = userNumber;
counter = 1;
}
if (userNumber == maximum)
counter++;
}
// Print result on the screen
System.out.println("The largest number is " + maximum);
System.out.println(
"The occurrence of the largest number is " + counter);
}
}
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C++ program. help pls
Write a description of the Polynom3 class of polynomials of the 3rd degree from one given variable
an array of coefficients.
Provide overloading methods for copy operator=(), assembly operations
operator+(), operator-() subtraction and operator*() multiplication of polynomials with the result
of a new object - a polynomial, printing (output to a stream).
Answer:The Polynom3 class represents polynomials of the third degree from one given variable with an array of coefficients. It has the following methods:
Polynom3(const Polynom3& other): This is the copy constructor, which creates a new Polynom3 object as a copy of another Polynom3 object.
Polynom3& operator=(const Polynom3& other): This is the copy assignment operator, which allows you to assign one Polynom3 object to another, replacing the original object with a copy of the other object.
Polynom3 operator+(const Polynom3& other) const: This is the addition operator, which adds two Polynom3 objects and returns a new Polynom3 object representing the sum of the two polynomials.
Polynom3 operator-(const Polynom3& other) const: This is the subtraction operator, which subtracts one Polynom3 object from another and returns a new Polynom3 object representing the difference between the two polynomials.
Polynom3 operator*(const Polynom3& other) const: This is the multiplication operator, which multiplies two Polynom3 objects and returns a new Polynom3 object representing the product of the two polynomials.
friend std::ostream& operator<<(std::ostream& out, const Polynom3& polynom): This is the output operator, which allows you to print a Polynom3 object to an output stream, such as std::cout.
Here is an example of how you could use these methods:
Polynom3 p1({1, 2, 3}); // Creates a polynomial p1 = 1x^2 + 2x + 3
Polynom3 p2({4, 5, 6}); // Creates a polynomial p2 = 4x^2 + 5x + 6
Polynom3 p3 = p1 + p2; // Creates a new polynomial p3 = 5x^2 + 7x + 9
Polynom3 p4 = p1 - p2; // Creates a new polynomial p4 = -3x^2 - 3x - 3
Polynom3 p5 = p1 * p2; // Creates a new polynomial p5 = 4x^4 + 13x^3 + 22x^2 + 17x + 18
std::cout << p3 << std::endl; // Outputs "5x^2 + 7x + 9" to the console
Explanation:
The third-degree polynomials from a given variable with an array of coefficients are represented by the Polynom3 class.
What is a C++ program?Many people believe that C++, an object-oriented programming (OOP) language, is the finest language for developing complex applications.
The copy assignment operator, Polynom3& operator=(const Polynom3& other), enables you to assign one Polynom3 object to another, replacing the original object with a duplicate of the other object.
The addition operator, Polynom3 operator+(const Polynom3& other), returns a new Polynom3 object that represents the sum of the two polynomials after adding two Polynom3 objects.
This Polynom3 operator subtracts one Polynom3 object from another using the formula (const Polynom3& other).
The Polynom3 operator*(const Polynom3& other) const multiplies two Polynom3 objects and creates a new Polynom3 object that represents the result of the multiplication.
Thus, this way, a description of the Polynom3 class of polynomials of the 3rd degree from one given variable can be done.
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using the countifs() formula, count how many successful, failed, and canceled projects were created with goals within the ranges listed above.
Using the knowledge of computational language in python it is possible to write a code that using the countifs() formula, count how many successful, failed, and canceled projects
Writting the code:COUNTIFS(criteria_range1, criteria1, [criteria_range2, criteria2]…)
=COUNTIFS(D2:D21, “Cell Phone”, C2:C21, “South”)
=COUNTIF(range,criteria)+COUNTIF(range,criteria)
=COUNTIFS(B2:B18,“arts”,C2:C18,3)
=COUNTIFS(C2:C21, “west”, E2:E21, “>400”)
=COUNTIFS(C2:C21, “west”, E2:E21, “>”&400)
=COUNTIFS(C2:C21, “north”, D2:D21, “<>cell phone”)
=COUNTIFS(A2:A21,G2,D2:D21, “>=”&G3)
=COUNTIFS(A2:A21,G2,D2:D21, G3)
=COUNTIFS(A2:A21,DATE(2022,11,21),D2:D21, “>=”&1500)
=COUNTIFS(A2:A21, “<”&G2,D2:D21, “>=”&G3)
=COUNTIFS(A2:A18,"*1??",C2:C18,3)
=COUNTIFS(Courses,F2,Faculties,F3,Buildings,F4)
=COUNTIFS(H6:H22,F2,C2:C18,F3)
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