1. Which of the following is true in case of destructors I. Destructor function is automatically invoked when the objects are destroyed. II. It cannot be declared static or const. It has no return type, not even void The programmer cannot access the address of destructor. III. IV. A. I, II, III B. I,II, IV С. П. II, IV, I D. IV, II 2. Various file modes that opens file for writing and reading is definitely not А. аpp,in B. ate,in
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- Suppose you have an open file object called infile. Which of the following C++ statements will close the file? A infile.closeFile(); B closeFile("infile"); C close("infile"); D infile.close():Python question: I have a .py file in another folder in the same directory how do I import that file into another .py file? For example, my directory folder is called "School_Work" I have 2 folders: Helper_Functions Main_Driver In my Helper_Functions folder I have the file called helper_functions.py and in my main driver I have a file called main.py. I want to import helper_functions.py into main.py. How do I do that?Which example uses the SOLID SRP principle correctly and does not violate it? (A or B) A. public class DatabaseParser { ParseDirectoryMapFile(); // parse directory map fileParsePasswordFile(); // parse user fileParseReviewDataFile(); // parse review data fileParseTeamFile(); // parse team CalculateGrade(); CalulateRelativeGrade(); } B public class DatabaseParser { ParseDirectoryMapFile(); // parse directory map fileParsePasswordFile(); // parse user fileParseReviewDataFile(); // parse review data fileParseTeamFile(); // parse team file} // seperately with the following: public class Calculator{ CalculateGrade(); CalulateRelativeGrade(); }
- can you please separate the classes of this program? and make it runnable like main driver class should be separated and where the function should be in another .c file void create_inventory(); void update_vacc_qty(); int search_vaccine(); void display_vaccine(); #include <stdio.h> #include <stdlib.h>#include <string.h> struct vacc{ char vaccName[15]; char vaccCode[2]; char country[15]; int qty; float population; }v[10]; // Function Declarations void create_inventory(); void update_vacc_qty(); int search_vaccine(); void display_vaccine(); // Main Function starts here int main() { int ch;do {printf("\n 1:create inventory");printf("\n 2: display vaccine info ");printf("\n 3: search vaccine");printf("\n enter your choice (0 to exit):");scanf("%d",&ch); switch (ch){case 1: create_inventory();break;case 2: display_vaccine();break;case 3: search_vaccine();break;default : break;} }while(ch!=0);return 0; } void create_inventory() { int option = 1; char…A student launches the Python interpreter from his home directory. His home directory contains another directory called 'mydir', and 'mydir' contains two files called 'foo' and 'bar'. The home directory does not contain any files, only other directories. What will happen when he writes the following code at the Python prompt: >>> import os >>> filenames = os.listdir('mydir') >>> f= open(filenames[0]) ===================================================================================== A variable f representing a file object will be created, and the first file in the directory 'mydir' will be opened for writing in text mode. An error will be produced stating that the file to be opened does not exist. An error will be produced stating that filename is not subscriptable. A variable f representing a file object will be created, and the first file in the directory 'mydir' will be opened.ok thank you, how would I use the code from the follow up to make a makfile, is it possible to do with just 1 file ? The makefile follows these directives: The makefile directives will have a target for each .c that will create the object file, a target to create the executable (binary) file using the object files created by the object targets and a target called clean to remove all object files.
- Create a program named FileComparison that compares two files. First, use a text editor such as Notepad to save your favorite movie quote. Next, copy the file contents, and paste them into a word-processing program such as Word. Then, write the file-comparison application that displays the sizes of the two files as well as the ratio of their sizes to each other. To discover a files size, you can create a System. 10. Filelnfo object using statements such as the following, where FILE_NAME is a string that contains the name of the file, and size has been declared as an integer: FileInfo fileInfo = new FileInfo(FILE_NAME); size = fileInfo.Length;Please help how to fix this code? here's my code #include<stdio.h> #include<sys/stat.h> int checkIfFileExists(const char *filename); int main(void){char a[100];printf("Enter File Name:\n");scanf("%s",a);if(checkIfFileExists(a)){printf("The file has been opened Successfully.\n") ; }else{printf("The file cant be open. File does not exists.\n" ) ;} } int checkIfFileExists(const char* filename){struct stat buffer;int exist = stat(filename,&buffer);if(exist == 0)return 1;else return 0;} OUTPUT Write C statements which tests to see if file has opened the data file successfully. If not, print an error message and exit the program. NOTE:Your source code must display any of the given sample output below.It means your source code should be flexible enough to meet any of the given sample output.Your source code output must be identical to any of the given sample output.It means you have to strictly follow what are the displayed text, labels, casing of characters in the sample…a. What happens if you try to move the file marker past the end of a file? b. What is returned if subsequent calls are made to read the file?
- Directions: Typing make at the command line should create executable named bitflip. Only bitflip.c and Makefile are included in the input unless permission is given for any other files. Program should have consistent indentation. Code should be readable with good variable and function names. No use of "break or continue statements" except in a switch. Program must exit with a return code of 0 on success and an error code in other cases. The program used getopt to parse the command line. Whenever an error occurs on the command line the user is given the usage statement and an appropriate error message if needed. If the -o option is used the output will go to a file named as specified without changing the filename at all otherwise it will go to stdout. -e option works as specified using bitwise operations. -f option works as specified using bitwise operations. -a option works as specified using bitwise operations. -s option works as specified using bitwise operations. Program outputs…Directions: Typing make at the command line should create executable named bitflip. Only bitflip.c and Makefile are included in the input unless permission is given for any other files. Program should have consistent indentation. Code should be readable with good variable and function names. No use of "break or continue statements" except in a switch. Program must exit with a return code of 0 on success and an error code in other cases. The program used getopt to parse the command line. Whenever an error occurs on the command line the user is given the usage statement and an appropriate error message if needed. If the -o option is used the output will go to a file named as specified without changing the filename at all otherwise it will go to stdout. -e option works as specified using bitwise operations. -f option works as specified using bitwise operations. -a option works as specified using bitwise operations. -s option works as specified using bitwise operations. Program outputs…How do change the code so that one or more command-line arguments are accepted as well as outputting a message when no command-line arguments are provided by the user? The expected behavior is that the program should print the files, in order, to standard output, effectively concatenating the contents of the supplied files. Code: public class MyCat { /** * Entry point for the application. Exactly zero or one command-line arguments are expected. * If a filename is given as an argument, then the program should print the contents of that * file to standard output. If a single dash (i.e., "-") is given as an argument, then * the program should print the contents of standard input. * * @param args the command-line arguments */ public static void main(String[] args) { try { String filename = args[0]; String newArg = args[1]; Scanner input = null; if (filename.equals("-")) {…