COIT132229: Applied Distributed Systems - Java Client/Server Application - Computer Science Assignment Help

Assignment Task:

Objectives 
This assessment item is designed to test your understanding of Java TCP networking, Java Object Serialization/Deserialization, threading, file reading, and writing using a client/server application development. 

Assessment task 
CQU aquatic center offers swim facility to current students and their families. Entry to the swimming center is accessible through any of the three automatic doors by keying in a registered student number followed by a 4-digit pin code preferably set to the year of birth. Each entry is charged a flat fee and the time should be persisted to a log file with two fields (student number space separated with entry date and time). Because of the flat fee structure, the entry details can be shared among family members. The system should accommodate both existing users with authentication and provide registration for new users. The administrator role is not relevant and will be discussed in the second assignment. The application should be implemented as a client/server model using java TCP sockets. The client program handles all the data entry and menu selections (1. Current Student 2. New Student 3. Exit). The current student should only be prompted for a student number and a pin code. New student registrations should be prompted to provide relevant details (Student number and a Pin Code). Appropriate error messages (Student exists, Un-Registered Student, Invalid Pin, Welcome, or Student Created) should be received from the server after processing and displayed on the client. Student number is alphanumeric but cannot be empty. The client should create an instance of a relevant type before sending to the server program for processing and storage. Every 3 minutes the contents from the data structures stored on the server need to be persisted to the text files. The server program should have the capability to concurrently handle multiple client connections (Thread-per-connection). Existing records are to be read and loaded from the provided text files (“studententry.txt” and logentry.txt”). When these text files do not exist, the system should handle this event and create new files. 
 

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