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garri49 [273]
3 years ago
12

You do not need to use any functions beyond the main function in this problem. Initialize an array of int with the values: 4, 6,

9, and 12. Write a for loop to add the values in the array and find their sum. Write a second loop to print the values from the array and their sum in the following format: 4 6 9 12
Computers and Technology
1 answer:
zheka24 [161]3 years ago
4 0

Answer:

import java.util.Scanner;

public class Main

{

public static void main(String[] args) {

   

    int[] arr = {4, 6, 9, 12};

    int sum = 0;

   

    for(int i=0; i<arr.length; i++){

        sum += arr[i];

    }

   

    for(int i=0; i<arr.length; i++){

        System.out.print(arr[i] + " ");

    }

    System.out.println("");

 System.out.println("The sum of the numbers: " + sum);

}

}

Explanation:

* The code is written in Java.

- Initialize the array with the given numbers

- Initialize the <em>sum</em> variable as zero

- Calculate the sum in the first for loop

- Print the numbers in the second for loop

- Print the <em>sum</em>

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What does the third argument (3) refer to in the following formula: VLOOKUP(10005, A1:C6, 3, FALSE)
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Answer:

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Explanation:

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3 years ago
Given: an int variable k, an int array current Members that has been declared and initialized, an int variable memberID that has
Alekssandra [29.7K]

Answer:

The c++ program is given below. Nothing is displayed as per the question.

#include <iostream>

using namespace std;

int main() {    

   // declaration and initialization of integer variables

   int k, memberID = 12, nMembers=5;

   bool isAMember;    

   // declaration and initialization of integer array

   int currentMembers[] = {12, 34, 56, 78, 90};    

   for(k=0; k<nMembers; k++)

   {

       if(memberID == currentMembers[k])

       {

           // when member is found in the array, the loop is exited using break

           isAMember = true;

           break;

       }

       else

           isAMember = false;

   }    

   return 0;

}

Explanation:

The program begins with declaration and initialization of integer variables and followed by initialization of the array holding the id of all the members.

The Boolean variable is declared but not initialized.

int k, memberID = 12, nMembers=5;

bool isAMember;

int currentMembers[] = {12, 34, 56, 78, 90};

After this, the array holding the id of the members is searched for the given member id. This is done using  a for loop and a if else statement inside the loop.

If the member id is present in the array, the variable isAMember is initialized to true otherwise it is assigned false.

When the variable isAMember is initialized to true, the break statement is used to exit from the loop.

for(k=0; k<nMembers; k++)

   {

       if(memberID == currentMembers[k])

       {

           isAMember = true;

           break;

       }

       else

           isAMember = false;

 }

The break is used since other values of id in the array will not match the given member id and the variable, isAMember will be initialized to false even if the given member id is present in the array. Hence, it is mandatory to exit the loop once the given member id is found in the array.

This program can be tested for different values of the id of the members and different sizes of the array.

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