Pentagonal Numbers Problem Statement Create a Java program that will display the first 40 pentagonal numbers. Hint: A pentagonal number is a figurate number that extends the concept of triangular and square numbers to the pentagon, but, unlike the first two, the patterns involved in the construction of pentagonal numbers are not rotationally symmetrical. Expected Output: 1 5 12 22 35 51 70 92 117 145 176 210 247 287 330 376 425 477 532 590 651 715 782 852 925 1001 1080 1162 1247 1335 1426 1520 1617 1717 1820 1926 2035 2147 2262 2380 2501 2625 2752 2882 3015 3151 3290 3432 3577 3725 E-Hailing Bicycle Management System Case Study: An e-hailing company that rents out bicycles needs a system to manage its bicycles, users, and borrowing process. Each user can borrow up to 2 bicycles at a time, specifically for families with children 18 years or below. The system must track the bicycles (name, make, type, and availability) and users (name, ID, and borrowed bicycles). The company also wants to ensure that the system uses a multidimensional array to store information about the bicycles. Requirements: 1. Add and View Bicycles: 2. Borrow Bicycles: 3. Return Bicycles 4. Display Borrowed Bicycles and Search for a bicycle 5. Create a menu-driven program to implement the above. Sample Output: 1. Add Bicycle 2. View All Bicycles 3. Borrow Bicycle 4. Return Bicycle 5. View Borrowed Bicycles 6. Search Bicycle 7. Exit Enter your choice:

Enhanced Discovering Computers 2017 (Shelly Cashman Series) (MindTap Course List)

1st Edition

ISBN:9781305657458

Author:Misty E. Vermaat, Susan L. Sebok, Steven M. Freund, Mark Frydenberg, Jennifer T. Campbell

Publisher:Misty E. Vermaat, Susan L. Sebok, Steven M. Freund, Mark Frydenberg, Jennifer T. Campbell

Chapter12: Working In The Enterprise: Systems, Certifications, And Careers

Section: Chapter Questions

Problem 4CTQ

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this module is java 731 . make sure my answers are 1005 correct and the layout and structure is perfect and also include all comments etc. thank you

i have attached question 1 (40 marks) and question 2 (30 marks )

this is question 3:

Question3:
(30 MARKS)
Passenger Rail Agency for South Africa Train Scheduling System
Problem Statement
Design and implement a train scheduling system for Prasa railway network. The system should
handle the following functionalities:
1. Scheduling trains: Allow the addition of train schedules, ensuring that no two trains use the
same platform at the same time at any station.
2. Dynamic updates: Enable adding new train schedules and canceling existing ones.
3. Real-time simulation: Use multithreading to simulate the operation of trains (e.g., arriving,
departing).
4. Data management: Use ArrayList to manage train schedules and platform assignments.
Requirements
1. Add Train Schedule, Cancel Scheduled Train, View Train Schedules and Platform
Management
2. Concurrency Handling with Multithreading i.e Use threads to simulate train operations,
Each train runs as a separate thread, simulating its arrival, departure, and travel status.
3. Use ArrayList to manage train schedules for each station, Platform availability.