Q1: UMTCampus has buildings and Gardens. Library is a building; Mosque is abuilding. Mosque has LadiesPrayerArea and GentsPrayerArea. A garden has manytrees. A tree can be FruitTree or ShadeTree or both, i.e., FruitShadeTree.Identify classes andthese classes. Label the relationships using your object oriented programmingdrawa diagram showing therelationships betweenknowledge. 6s.

Description. 1-Class diagrams are the principal building block in object-orientated modeling. They…

Answered: Q1: UMTCampus has buildings and…

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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Question 1 Consider: class Car { ? } public Car() { } What happens if you try to run new Car(); A new object is created A new class is created It does not run Nothing happens
The following Object Relationship Diagram (ORD) is given. Write the definition for each class based on the ORD above. Include the overloaded constructors in each class
Help, I making a elevator simulator. I have to use polymorphism and object oriented programming to write this code. Can someone please help me improve this code I have. The remaining code is in the pictures. Any help is appreciated. Thank You! The simulation should have 4 types of Passengers: Standard: This is the most common type of passenger and has a request percentage of 70%. Standard passengers have no special requirements. VIP: This type of passenger has a request percentage of 10%. VIP passengers are given priority and are more likely to be picked up by express elevators. Freight: This type of passenger has a request percentage of 15%. Freight passengers have large items that need to be transported and are more likely to be picked up by freight elevators. Glass: This type of passenger has a request percentage of 5%. Glass passengers have fragile items that need to be transported and are more likely to be picked up by glass elevators. The simulation should also have 4 types…
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1. Define a class named Randomwalker. A Randomwalker object should keep track of its (x, y) location. All walkers start at the coordinates (0, 0). When a walker is asked to move, it randomly moves either left, right, up or down. Each of these four moves should occur with equal probability. The resulting behavior is known as a "random walk." (A 2-dimensional random walk example is pictured at right.) Each Randomwal ker object should have the following public methods. You may add whatever fields or methods you feel are necessary to implement these methods: move () Instructs this random walker to randomly make one of the 4 possible moves (up, down, left, or right). getX () Returns this random walker's current x-coordinate. getY () Returns this random walker's current y-coordinate. getsters () Returns the number of steps this random walker has taken.
6 Java
Please prepare the case diagram and the class diagram
Class Relationships Exercises 1. In Java, we use inheritance for "is-a" relationships. Containment, on the other hand, indicates that one object has another object. These are "has-a" relationships. For the following relationships, determine if they are a "is-a" or a "has-a" relationship: o bicycle - vehicle o car - engine o pizza - topping o food - pizza o dog - mammal 2. Share with someone else 3 other examples for each of the following relationships: o Inheritance ("is-a" relationship) o Containment ("has-a" relationship) 3. public class PersonInfo { protected String firstName; protected String birthdate; } public class ChildInfo extends PersonInfo { private String schoolName; } public class MotherInfo extends PersonInfo { private String spousename; private ChildInfo children1; private ChildInfo children2; private ChildInfo children3; ... } A. Draw the relationships for the classes above using UML. If a class inherits from another class, draw an open arrow pointing to the base class…
Define the Artist class in Artist.py with a constructor to initialize an artist's information. The constructor should by default initialize the artist's name to "unknown" and the years of birth and death to -1. Define the Artwork class in Artwork.py with a constructor to initialize an artwork's information. The constructor should by default initialize the title to "unknown", the year created to -1, and the artist to use the Artist default constructor parameter values. Add an import statement to import the Artist class. Add import statements to main.py to import the Artist and Artwork classes. Ex: If the input is: Pablo Picasso 1881 1973 Three Musicians 1921 the output is: Artist: Pablo Picasso (1881 to 1973) Title: Three Musicians, 1921 Ex: If the input is: Brice Marden 1938 -1 Distant Muses 2000 the output is: Artist: Brice Marden (1938 to present) Title: Distant Muses, 2000 Ex: If the input is: Banksy -1 -1 Balloon Girl 2002 the output is: Artist: Banksy (unknown) Title: Balloon…

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