A ‘List’ is a dynamic array. Convert a static array to a dynamic list. Create the following classes: 1. The InvalidStringException class should inherit the inbuilt Exception class. It should also implement the following methods: InvalidStringException( ): calls the constructor…
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Question Implement a class to compare distances given in feet and inches. You have an abstract class with predefined fields and methods. The class instances will store distances in feet and inches. Implement the required methods to: Initialize the…
2.Question A group of friends is playing a video game where players earn points. At the end of a round, players who achieve at least rank k can “level up” their characters. Given the scores of players at the end…
3. An interface named Company has the following methods: void assignSalaries(int[] salaries); void averageSalary(); void maxSalary(); void minSalary(); Create 2 classes, EngineerFirm and AccountantFirm, that implement the Company interface. The details of these classes follow. 1. Class EngineerFirm should…
2.Java: Sport Inheritance Question Design two classes, Cricket and Football, that implement the Sport interface: Cricket class: Include variable: int[] playerIDs: Array where the 1-based index represents the player ID Include methods: Cricket(): Constructor that initializes the playerIDs array with 11 elements set…
1.Digital wallets have simplified the process of sending and receiving money, but they necessitate authentication. To initiate transactions within this digital wallet system, a user must possess an access token. The types of transactions include: Adding money to the wallet.…
🌐 1. DBMS Concepts and Architecture Introduction DBMS (Database Management System) A DBMS is software that allows users to store, retrieve, manage, and manipulate data easily and securely. Architecture of DBMS Usually divided into three levels: Internal Level: How data…
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SELECT orders.Order_Id, customer.Customer, customer.Contact, customer.Country, orders.Order_Date-> FROM orders-> INNER JOIN customer ON orders.Customer_ID = customer.Customer_ID;