solve: **Sample Run #1: Java Driver****Interactive Session**- Enter the name of a bill: Tariff of 1816- Enter the name of a sports team: New York Rangers- Enter the name of a movie: The Devil Wears Prada- I am Speaker of the House.- The Tariff of 1816 has passed.- Goal!- The New York Rangers have scored a goal!- I've been nominated for 3 Academy Awards.- I'm currently starring in The Devil Wears Prada.**Explanation**The text demonstrates a sample interactive session where users input the names of a bill, sports team, and movie. The program then generates statements based on these inputs, likely showcasing basic string manipulation for educational purposes. **Implementing the Speaker Interface**The following Java interface and classes are designed to demonstrate polymorphism through the implementation of a `Speaker` interface:```javapublic interface Speaker { public void speak(); public void announce(String str);}```**Class Implementations:**Develop three classes that implement the `Speaker` interface uniquely:1. **SpeakerOfTheHouse** - **speak method**: Outputs "I am Speaker of the House." - **announce method**: Accepts the name of a bill as a string and prints "The [bill] has passed!"2. **SportsAnnouncer** - **speak method**: Outputs "Goal!" - **announce method**: Accepts the name of a team as a string and prints "The [team] have scored a goal!"3. **Actor** - **speak method**: Outputs "I've been nominated for three Academy Awards." - **announce method**: Accepts the name of a movie as a string and prints "I'm currently starring in [movie]."**Driver Class:**Develop a driver class to prompt the user for three inputs:- Name of a bill- Name of a sports team- Name of a movieCreate an object from each class, and use the provided user inputs to call the `speak` and `announce` methods for each object. This practice demonstrates how different classes can implement the same interface in varied ways, providing diverse functionalities.

Solution: Required language is java

Implement the Speaker interface: public interface Speaker { public void speak(); public void announce(String str); } Then, create three classes that implement Speaker in various ways: ● SpeakerOfTheHouse: speak method prints "I am Speaker of the House.", and the announce method takes the name of a bill in the form of a string and prints it in the sentence "The [bill] has passed!" • SportsAnnouncer: speak method prints "Goal!", and the announce method takes the name of a team in the form of a string and prints the sentence "The [team] have scored a goal!" • Actor: speak method prints "I've been nominated for three Academy Awards.", and the announce method takes the name of a movie in the form of a string and prints the sentence, "I'm currently staring in [movie]." Create a driver class, and in the main method, prompt the user to enter three Strings the name of a bill, the name of a sports team, and the name of a movie. Then, create an object from each of the classes described above and call the speak and announce methods of each object, using the strings provided by the user.

Implement the Speaker interface: public interface Speaker { public void speak(); public void announce(String str); } Then, create three classes that implement Speaker in various ways: ● SpeakerOfTheHouse: speak method prints "I am Speaker of the House.", and the announce method takes the name of a bill in the form of a string and prints it in the sentence "The [bill] has passed!" • SportsAnnouncer: speak method prints "Goal!", and the announce method takes the name of a team in the form of a string and prints the sentence "The [team] have scored a goal!" • Actor: speak method prints "I've been nominated for three Academy Awards.", and the announce method takes the name of a movie in the form of a string and prints the sentence, "I'm currently staring in [movie]." Create a driver class, and in the main method, prompt the user to enter three Strings the name of a bill, the name of a sports team, and the name of a movie. Then, create an object from each of the classes described above and call the speak and announce methods of each object, using the strings provided by the user.

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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