This is in C++As we discussed this quarter, throwing exceptions from destructors is generally considered to be extremely problematic, so much so that we're advised never to do it. Yet C++ doesn't explicitly forbid it, so it would be possible to write a class whose destructor threw an exception.Suppose you did write such a class:class Throwing { public: Throwing() { } ~Throwing() { throw std::runtime_error{"doh!"}; } };Are there any circumstances in which this throwing destructor would be problematic? If so, demonstrate such a circumstance (e.g., by writing a C++ function that would be problematic) and briefly explain what is problematic about it. If not, demonstrate what a problematic destructor would actually look like (i.e., what else would need to be true about it, if just throwing an exception isn't enough?).

The destructor can throw the exception but it is problematic but we can solve this by various…

Answered: This is in C++ As we discussed this…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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This is my code in c++. When the chosen class is full I want the code to automatically assign it to the next available class (Economy). Also when the economy class is full I want the code to automatically assign it to the next available First Class seat. #include <iostream> using namespace std; void ShowInfo(); void printInfo(char input[9][4]); void DesiredRow(int row[2], char seat); int main () { int ROW = 9, SEATS = 4; int row[9]; char airchar[9][4]; char seat; string answer; string ticket; string name; string newanswer; for (int i = 0; i < ROW; i++) { for (int j = 0; j < SEATS; j++) { airchar[i][j] = '*'; } } cout << "Please enter your full name: " << endl; getline(cin, name); while ("Yes") { cout << " Do you wish to book a seat: " << endl; cout << " Yes or No: " << endl; cin >> answer;…
in c++ Define another new class named “Item” that must inherit from the given Name class. This Item class will manage the following info: name (string) and price (double). It must prevent the creation of an Item object with either an empty or all-blank name. This class must at least complete the methods defined in the Name class: toString method returns a string representation of the Item object in the format of “ITEM( <name> ) PRICE($ <price> ) such as ITEM(eraser) PRICE($1.05) contains method that accepts a search string and returns true if only the name of the item contains the search string as a substring. It returns false otherwise. isTheSame method that compares two Item objects and returns true only if both Item objects have the exact same name (regardless of the price) and false otherwise. Please note that if the given object in the parameter is not an Item object, it will return false.
/*** This class describes a tweet. A tweet has a message in it, a unique ID,* a count of the number of likes, and a count of the number of times it* has been retweeted. In addition, the Tweet class will have a static * variable to count the total number of tweets to ever be created * (retweets don't count as a new tweet).* * You may NOT import any library class.* * **/public class Tweet { /*** This constructor creates a tweet with the given message.* Assume that the message is not null because only the tweet() method* from the TwitterUser class will call this constructor. There are* no length requirements on Tweets.* * The very first tweet to ever be created will have an ID of 0, the * next one will have 1, and so on and so forth. It may help you to use* the static count variable to set the ID. * * You will have to initialize other instance variables appropriately.* @param message the text of the tweet*/public Tweet(String message) {throw new UnsupportedOperationException("Implement…

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