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kirill115 [55]
2 years ago
13

Write a few statements that open a file called "greeting", write the message "hey!" to the file -- and then close it. declare an

y variables needed.
Computers and Technology
2 answers:
pshichka [43]2 years ago
6 0
C++:

int main () {

std::ofstream output {"greeting.txt"};
output << "hey!";
output.close();

return 0;
}
Shtirlitz [24]2 years ago
5 0

Answer:

The answer to this question can be given as:

Statement:

FILE *data1;     //create file pointer type variable

data1 = fopen("greeting","w");    //open file use fopen function

fprintf(data1,"hey!");    //print message.

fclose(data1);  //close file.

Explanation:

The description of the statement can be given as:

  • In this statement firstly we define a file pointer type variable that is "data1".This variable holds the file.  
  • Then we use the fopen() function that is used to open a file. In this function, we pass the file name and the mode to open the file.
  • Then we use the fprintf() function this function prints the value of the file.
  • In the last, we close the file, for close file we use fclose() function.
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Assignment 1 is to write a program that will write the lyrics to "X number of beers on the wall". Use only the main method. Prom
g100num [7]

Answer:

// here is code in java.

import java.util.*;

class Main

{

// main method of the class

public static void main (String[] args) throws java.lang.Exception

{

   try{

       // variable to store the number of bottles

       int num_bot;

        Scanner scr=new Scanner(System.in);

        System.out.print("Enter number of bottles of beer on the wall:");

        //read the number of bottles

        num_bot=scr.nextInt();

        // print the output

        for(int i=num_bot;i>0;i--)

        {

         // print the first statement

         System.out.println(i+" beer bottles on the wall");

         // print the second statement

         System.out.println(i+" beer bottles . Take 1 down and pass the bottle around.");

         }

         // when there is 0 bottle

           System.out.println("0 bottles of beer on the wall.");

   }catch(Exception ex){

       return;}

}

}

Explanation:

Declare a variable "num_bot" to store the initial number of beer bottles.Then ask user to give number of bottles.Run a for loop to pass a beer bottle until there is 0 bottle on the wall. When number of bottle is 0 then it will print there is "0 bottle on the wall".

Output:

Enter number of bottles of beer on the wall:3

3 beer bottles on the wall

3 beer bottles . Take 1 down and pass the bottle around.

2 beer bottles on the wall

2 beer bottles . Take 1 down and pass the bottle around.

1 beer bottles on the wall

1 beer bottles . Take 1 down and pass the bottle around.

0 bottles of beer on the wall.

4 0
2 years ago
Write a program for determining if a year is a leap year. In the Gregorian calendar system you can check if it is a leaper if it
SOVA2 [1]

Answer:

def leap_year_check(year):

return if int(year) % 4 == 0 and (int(year) % 100 != 0 or int(year) % 400 == 0)

Explanation:

The function is named leap_year_check and takes in an argument which is the year which we wish to determine if it's a new year or not.

int ensures the argument is read as an integer and not a float.

The % obtains the value of the remainder after a division exercise. A remainder of 0 means number is divisible by the quotient and a remainder other wise means it is not divisible by the quotient.

If the conditions is met, that is, (the first condition is true and either the second or Third condition is true)

the function leap_year_check returns a boolean ; true and false if otherwise.

8 0
2 years ago
Write c++ program bmi.cpp that asks the user bmi.cpp the weight (in kilograms) and height (in meters).
Galina-37 [17]

Answer:

// here is code in C++(bmi.cpp).

#include <bits/stdc++.h>

using namespace std;

// main function

int main()

{

   // variables

float weight,height;

cout<<"enter the weight(in kilograms):";

//read the weight

cin>>weight;

cout<<"enter the height(in meters):";

//read the height

cin>>height;

// calculate the bmi

float bmi=weight/(pow(height,2));

// print the body-mass index with two decimal places

cout<<"BMI is: "<<fixed<<setprecision(2)<<bmi<<endl;

return 0;

}

Explanation:

Read the weight from user and assign it to variable "weight",read height and assign it to variable "height".Then find the body-mass index as (weight/height^2).Here weight  should be in kilograms and height should be in meters.

Output:

enter the weight(in kilograms):75

enter the height(in meters):1.8

BMI is: 23.15

8 0
2 years ago
Adele’s mother owns a Daycare and she wants to learn all about this business, to help her mom and own it one day. Which CTSO sho
Gennadij [26K]

Answer:

She should join the Future Business Leaders of America–Phi Beta Lambda

Explanation:

CTSOs are Career and technical student organizations. These organizations are vocational and extracurricular groups based primarily in high schools, colleges and career technological centres, for students in Career and Technical Education. They are important parts of the high school and college programs.

The Future Business Leaders of America–Phi Beta Lambda prepares students to become community-minded business leaders. It provides opportunities to learn career skills and gain leadership experience.

Therefore Adele should pick this CTSO

7 0
2 years ago
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