implements a very simple networked communications client and server. Messages are typed into the window at the server and written across the network to the client side, where they are displayed.
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- Kishiri developed an email system called KishiriChat. In this system, arriving messages are handled by a PostOffice object. Depending on how the system is configured at runtime, one or more objects might need to know when a message arrives.Design a web page to enter the data like Person Name, Age, and Sex. Write a server program to find the eligibility for voting by satisfying the following criteria. Age Eligibility >=18 years Yes <18 years No Give the notification about eligibility status. Write the necessary routes to implement the above scenario using ExpressJS.Suppose you're designing an interface for two players to play checkers (also called draughts) across the Internet. The picture on the right shows the scenario: each player has an interface on their screen, and the state of the game is stored on a network server that both communicate with. Guided by the categories below, make a list of what needs to be made visible, and then brainstorm (and sketch) how the interface might make it visible. Actions: what can the user do? State: what is the current state of the system? Feedback: what was the effect of the user's action?
- The fingerprint-based voting application can recognize users based on their fingerprint patterns. Since fingerprint authentication is unique for each person, the system can quickly identify the voters using their fingerprints. Naturally, a voter can vote for a candidate only once. The Admin adds all the names and photos of the candidates nominated for the election. The Admin then authenticates users by verifying their identity proof, and after verification, the voter is registered in the system. Furthermore, the Admin even enters the data when the election will end, after which the system will automatically delete the names and photos of the candidates and voters. The users can log in to the system via the unique user ID and password given by the Admin and then use their fingerprints to vote for their preferred candidate. Once the election is over, and the votes are counted, Both the Admin and users can view the election result using the election ID. In the capacity of a System…Computer Science Kindly do this in Java. You have to develop an application like Skype by implement at least these features Friend request (Sending or accepting request) Chat Box (Exchange of Text messages and files) Audio/Video CallCreate an interface MessageEncoder that has a single abstract method encode(plainText), where plainText is the message to be encoded. The method will return the encoded message.
- Write Java class Message that automatically gives each created Message object a unique serial number, starting at 1 for the first message. (Hint: static)Scenario: You are tasked with the development of an E-Scooter ride-sharesystem. It allows registered commuters to approach an idle E-Scooter andreserve it, following which they use the E-Scooter to commute a certaindistance (that is not known prior to use). Finally, after the commuter reachestheir destination, they end the ride, which prompts an automaticcomputation of the ride fees. which is automatically debited using thecommuters registered payment details. Task(s):1. Create a CPN model based on the AOM Goal and Behavioural InterfaceModels using the mapping heuristics discussed in the lecture.2. The initial tokens (initial state) of your system should reflect at least 2scooters and 2 commuters. More generally → Please ensure a level ofcomplexity similar to the CPN model example given in the lecture.3. You can use the CPN model example used in the lecture and modify itto suit your needs.4. You are welcome to use hierarchical CPNs to follow the Goal hierchy ifyou like, but it is not…Scenario: You are tasked with the development of an E-Scooter ride-sharesystem. It allows registered commuters to approach an idle E-Scooter andreserve it, following which they use the E-Scooter to commute a certaindistance (that is not known prior to use). Finally, after the commuter reachestheir destination, they end the ride, which prompts an automaticcomputation of the ride fees. which is automatically debited using thecommuters registered payment details.Task(s):A. Create an AOM Goal diagram based on your identified Roles and Goals.Please make sure your diagram has at least 3 levels of hierarchy.
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