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Why computer is known as versatile and diligent device ?explain

Computers are considered versatile because they can perform a wide array of tasks. They have the ability to carry out similar tasks in various methods. They exhibit diligence as they complete a job thoroughly until it's done.

They maintain a consistent pace while conducting tasks. Unlike humans, they won't slow down, lose interest, or start making errors that were absent initially. Once appropriately programmed for a task, they perform it with diligence.

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1 month ago

Q2 - Square Everything (0.25 points) Write a function called square_all that takes an input called collection that you assume to

zubka84 [1067]

Refer to the explanation Define the function square_all() that receives a list of integers. This function should return a new list containing the square values of all integers found within the provided list. def square_all(num_list): #Initiate an empty list to store results. sq_list = [] #Iterate through the length of the list. for index in range(0, len(num_list)): #Calculate the square of the current value and add it to the result list sq_list. sq_list.append(num_list[index] * num_list[index]) #Return the squared values of all integers in num_list. return sq_list #Declare and initialize a list of integers. intList = [2, 4] #Invoke the square_all() function and pass the above list as an argument. Show the returned list. print(square_all(intList))

4 0

1 month ago

java methods Write a program whose input is a character and a string, and whose output indicates the number of times the charact

oksian1 [950]

Answer:

This is the JAVA code:

import java.util.Scanner; // to obtain user input

//class designed to count occurrences of a character within a string

public class CharacterCounter

//method that calculates how many times a character appears within a string

{ public static int CountCharacter(String userString, char character)

{

int counter = 0; //keeps track of the number of times the character appears in the string

for (int i=0; i<userString.length(); i++) //iterates over every character in the string

{ // if the character aligns with the one sought in the string

if (userString.charAt(i) == character)

counter++; // increments the character count variable

}

return counter; } // returns the count of the character found in the string

public static void main(String[] args) {

Scanner scanner = new Scanner(System. in);// accepts user input

String string;

char character;

System.out.println("Enter a string"); // prompts the user for a string

string = scanner.nextLine(); //captures the input string

System.out.println("Enter a character");

// requests the character input from the user

character = scanner.next().charAt(0); //captures and reads the character

System.out.println("number of times character "+character + " appears in the string " + string +": " + CountCharacter(string, character)); } }

// calls CountCharacter method to display the frequency of a character in the input string

Explanation:

The CountCharacter() method contains a loop where index variable i traverses through each character of the string, incrementing the counter variable by 1 each time the sought character matches. This indicates that the counter maintains the tally of occurrences of the character in the string. The loop terminates when i exceeds the string length, which means the full string has been scanned for the specified character. Finally, the count variable yields the number of times the character was found in the string. The main() function receives user inputs for a string and a character to search for within that string. It subsequently invokes the CountCharacter() function to determine how many times the designated character appears in the specified string, displaying the result on the screen.

The program's output is provided in the attached screenshot.