Collections that store one or more key-value pairs are called ________.
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Q: Hi I need help please I am supposed to create a display function that will display the songs in an…
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A: Associative
Collections that store one or more key-value pairs are called ________.
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- 10. Lottery Application Write a Lottery class that simulates a lottery. The class should have an array of five integers named lotteryNumbers. The constructor should use the Random class (from the Java API) to generate a random number in the range of 0 through 9 for each element in the array. The class should also have a method that accepts an array of five integers that represent a per- son's lottery picks. The method is to compare the corresponding elements in the two arrays and return the number of digits that match. For example, the following shows the lotteryNumbers array and the user's array with sample numbers stored in each. There are two matching digits (elements 2 and 4). lotteryNumbers array: User's array: 7 4 4 2 1 3 7 3 In addition, the class should have a method that returns a copy of the lotteryNumbers array. Demonstrate the class in a program that asks the user to enter five numbers. The program should display the number of digits that match the randomly generated…Fill-in-the-Blank A(n)__________ container uses keys to rapidly access elements.Full Code: #include#include#include #define seed 5457 #define max(a,b) \({ __typeof__ (a) _a = (a); \__typeof__ (b) _b = (b); \_a > _b ? _a : _b; }) #define min(a,b) \({ __typeof__ (a) _a = (a); \__typeof__ (b) _b = (b); \_a < _b ? _a : _b; }) int initializeArray(int [], const int);void randperm(int b[], int n);int checkboard(int b[], int n);void displayboard(int b[], int n);double factorial(double n); int main(){srandom(seed);int mini[21], maxi[21];double meani[21], sizei[21], sizei_f[21];int n;for (n=4; n<=20; n++){int b[n];initializeArray(b,n);printf("~~~~~~~~~PRINTING FOR %d~~~~~~~~~~~~~\n",n); int total = 0;int x;for (x = 0; x<10; x++){int count = 1;randperm(b,n);while(!checkboard(b,n)){randperm(b,n); count++;}if (x==0){mini[n] = count;maxi[n] = count;displayboard(b,n);}mini[n] = min(mini[n],count);maxi[n] = max(maxi[n], count);total += count;}meani[n] = total/10.0f;double size = pow(n,n);sizei[n] = size;double size_f = factorial(n);sizei_f[n] = size_f;…
- Java Program Fleet class- reading from a file called deltafleet.txt-Using file and Scanner Will be creating a file called newfleet.txt Instance Variables:o An array that stores Aircraft that represents Delta Airlines entire fleeto A variable that represents the count for the number of aircraft in the fleet• Methods:o Constructor- One constructor that instantiates the array and sets the count to zeroo readFile()- This method accepts a string that represents the name of the file to beread. It will then read the file. Once the data is read, it should create an aircraft andthen pass the vehicle to the addAircraft method. It should not allow any duplicationof records. Be sure to handle all exceptions.o writeFile()- This method accepts a string that represents the name of the file to bewritten to and then writes the contents of the array to a file. This method shouldcall a sort method to sort the array before writing to it.o sortArray()- This method returns a sorted array. The array is…Basic javaScores Class Write a class named Scores which should have the following attribute: • _scores (a list to hold test scores, 0 - 100. Initially empty. ) The Scores class should have an _init__ method that creates the _scores attribute. It should also have the following methods: • add_score: this method adds a score to the __scores list. It accepts a single score as it's' only argument. • get_average: this method accepts no arguments. If _scores is empty, this method returns -1. Otherwise, it returns the average of all scores in _scores. • get_high_score: this method accepts no arguments. if scores is empty, this method returns -1. Otherwise, it returns the highest score in __scores. • get_low_score: this method accepts no arguments. if scores is empty, this method returns -1. Otherwise, it returns the lowest score in scores. • _str_: This method returns a string similar to the following (assuming the _scores contains 89, 77, 93): Once you have written the class, write a program that…
- *python coding please This exercise assumes that you have created the Employee class for Programming Question 1.Create a program that stores Employee objects in a dictionary. Use the employee ID numberas the key. The program should present a menu that lets the user perform the following actions:• Look up an employee in the dictionary• Add a new employee to the dictionary• Change an existing employee’s name, department, and job title in the dictionary• Delete an employee from the dictionary• Quit the programWhen the program ends, it should pickle the dictionary and save it to a file. Each time theprogram starts, it should try to load the pickled dictionary from the file. If the file does notexist, the program should start with an empty dictionaryDescription Create an application that maintains an array of your home inventory and displays the contents of the array in a list box. For this assignment, we will be using an array. In later chapters, we will modify this application to use a database or an external text file. The application should look like: g My Home Inventory Home Inventory Item Description Ist Homelnventory Serial Number Cost ADD DELETE REFRESH BYE Detailed Instructions 1. Define arrays for Item Description, Serial Number, and Cost after the Public Form Q and before any click of page load events. 2. In the Page Load Event, populate the Home Inventory List Box with the data from the arrays using the format: "ItemDecription (SerialNumber, Cost)". 3. If the ADD button is clicked, add the Item Description, Serial Number, and Cost to the Home Inventory List Box and to the appropriate arrays. 4. If the DELETE button is clicked, remove the item from the Home Inventory List Box and corresponding arrays. 5. If the REFRESH…C# program in Visual Studio Code. I need to be able to enter five integer values and then have the Unique values entered display. Private member variable to store 5 unique values (hint: use an Array or a List) Public function to get 5 unique values from the user and store them in the member variable loop to get the numbers, if a number is already stored, ignore it and keep looping until you have 5 unique numbers if a number is out of range, don't store the value, throw an exception and handle it in such a way that you don't break the loop but do message the user that the value was out of range
- Hi I need help please I am supposed to create a display function that will display the songs in an array, but I am stuck The display member function takes a string parameter representing a keyword that would be used to search the invoking PlayList object. The function should display the titles of songs that contain the given string keyword, case-insensitive. If no match is found, the function shall display a message indicating no match is found. The default value for keyword is an empty string... " ", indicating that the function should display all song titles in the PlayList if nothing is enteredin java when you use an enhanced for loop with an array, you don’t need to use a/an ________________ variable to iterate through the elements of the array.#include <iostream>#include <iomanip>#include <string>#include <vector>using namespace std;class StudentRec{private: string last_name = ""; // Last name string first_name = ""; // First name int year_grad = 0; // Year expected to graduate float gpa = 0.0; // Current gpapublic: void set_last_name(string last_name_param); void set_first_name(string first_name_param); string get_last_name() const; string get_first_name()const; string get_last_name_upper() const; string get_first_name_upper() const; void set_year_grad(int year_grad_param); int get_year_grad() const; // the rest of the "setter" and "getter" functions for each variable above go here };void StudentRec::set_last_name(string last_name_param){ last_name = last_name_param;}void StudentRec::set_first_name(string first_name_param){ first_name = first_name_param;}string StudentRec::get_last_name() const{…
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