Question

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

Answer 1

C++:

int main () {

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

return 0;
}

Answer 2

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.