B - RobotFriend Create a RobotFriend class. RobotFriend is a new toy just on the market. Copy the starter class and the tester from Codecheck. A RobotFriend has a name and replies to various commands Provide a constructor that takes the name of the RobotFriend as a parameter. Remember that a constructor has the same name as the class. What does the class need to remember? That is the instance variable. Provide the following methods: • public String getName() gets the name of this RobotFriend • public void setName (String newName) sets a new name for this RobotFriend • public String whatDoYouNeed() returns a string consisting of name + needs a battery charge" where name is the name of this RobotFriend (which was supplied in the constructor) • public String doCommand(String whatToDo) returns a string consisting of "Your friend " + name + " does not " + whatToDo where name is the name of this RobotFriend and whatToDo is the parameter

B - RobotFriend Create a RobotFriend class. RobotFriend is a new toy just on the market. Copy the starter class and the tester from Codecheck. A RobotFriend has a name and replies to various commands Provide a constructor that takes the name of the RobotFriend as a parameter. Remember that a constructor has the same name as the class. What does the class need to remember? That is the instance variable. Provide the following methods: • public String getName() gets the name of this RobotFriend • public void setName (String newName) sets a new name for this RobotFriend • public String whatDoYouNeed() returns a string consisting of name + needs a battery charge" where name is the name of this RobotFriend (which was supplied in the constructor) • public String doCommand(String whatToDo) returns a string consisting of "Your friend " + name + " does not " + whatToDo where name is the name of this RobotFriend and whatToDo is the parameter

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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It should be written in Python
The Factory method design pattern is useful since it can be used to create new objects of a particular type dynamically. True False
Create a Class Student in which we have three instance variables emp_name, emp_id, and Salary. Write getter and setters for each instance variable. Write another Display method that displays the record of Employee. In Main create five Employee’s Objects. Set their values as required and display as well. In the end Display top three employees with respect to Salary (Display those who have more Salary among all).
B elow for each class you find a UML and description of the public interface. Implementing the public interface as described is madatory. There's freedom on how to implement these classes.The private properties and private methods are under your control.. There are multiple ways of implementing all these classes. Feel free to add private properties and methods. For each object, it's mandatory to create a header file (.h), implementation file (.cpp) and a driver. Blank files are included. The header should have the class definition in it. The implementation file should contain the implementations of the methods laid out in the header fine. And finally the Driver should test/demonstrate all the features of the class. It's best to develop the driver as the class is being written. Check each section to see if there are added additional requirements for the driver. Two test suites are included so that work can be checked. It's important to implement the drivers to test and demonstrate…
a- Write a class definition for Student containing the following instance variables and methods: b- Create an object of this class c- Call the method to calculate and set average_test d- Print average test self. name self. test1 self. test2 self. average test A constructor to accept name, test1 and test2 as parameters and assign them to instant variables. A method to calculate and set averave test (each test worth 50%) A method to get average_test
Please complete the following tasks: Write a class “Actor” that contains two attributes with the appropriate level of visibility explicitly defined. “Name” which is a String, Private, “NumberofAwards” which is an integer, private Write a default Constructor for this class that initializes the name to “Bob Smith” , and the number of awards to 0. Write an overload the constructor for this class that accepts actor’s name as a parameter Write accessor methods for each of the attributes. Write a method “winsAnOscar” that increases the number of awards by one and prints “The crowd applauds for <actor’s name>!” Be sure to use accessors where appropriate. Make sure your header is complete, with the appropriate level of visibility and any required keywords.
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Convert UML class diagrams to Java code You are required to convert the UML class diagrams shown below into Java code. Cat numberOfTeeth: int lengthofTail : int name : String ownerName : String + Pet (name:String, ownerName: String) + getName(): String + getOwner Name () : String Pet + Cat (name: String, ownerName: String, numberOfTeeth:int, lengthofTail:int) + getNumberOfTeeth (): int + getLengthofTail (): int Budgie colourOfFeathers: String + Budgie (name: String, ownerName: String, colourOfFeathers: String) + getColourOfFeathers (): String
You cannot instantiate an interface but you can do so to an abstract class. True False
Write a driver program to test the class. Provide a constructor thatenables an object of this class to be initialized when it isinstantiated.
So, what exactly is an Interrupt, and how are they used? Distinguish between predicted and unexpected hardware failures.
Part I Create a Ticket class. The design is up to you. Write the necessary methods. Part II Create a MovieTicket class that inherits from Ticket class. The design is up to you. Write the necessary methods. Part III Create a Theater class. The design is up to you. Write the necessary methods.