the server do to avoid suprises for the client that invokes the Method
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What must the server do to avoid suprises for the client that invokes the Method
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- How does a server know that one of the far-off objects he gives his clients could be collected since it is no longer in use?Solve with java : Write a Server-Client application that Server provides the page number information of the requested section in the book while the section is requested by the Client. Part I Write method for searching the page number of the requested section.Part II Write Server side class for waiting Client to ask a section and responding itspage number.Part III Write Client side class for requesting a section from Server.Write a server for a client. The client sends loan information (annualinterest rate, number of years, and loan amount) to the server (see Figure a).The server computes monthly payment and total payment, and sends them back tothe client (see Figure b). Name the client Exercise33_01Client and the serverExercise33_01Server.
- An issue that we have glossed over so far is how the client locates the server in remote procedural calls. One method is to hardwire the network address of the server into the client. The trouble with this approach is that it is extremely inflexible. If the server moves or if the server is replicated or if the interface changes, numerous programs will have to be found and recompiled. To avoid this limitation, which kind of binding is appropriate to match up clients and servers? Also explain basic procedure of such binding. OO 6:46 PMAn example of session design pattern implementation in a web application could be a loginsession:In this example, the Session class is implemented as a singleton, it has methods for logging in,logging out, checking authentication status and getting the user.The class implements a private constructor, which ensures that only one instance of the classcan be created, and a static method for retrieving the single instance.This way, the session object can be accessed from any part of the application, in order to checkthe user's authentication status, retrieve their user object and maintain their sessionthroughout the application.How does a server know that one of the distant objects he has made available to clients is no longer in use and is therefore available for collection? What options exist and how is this problem handled by Java RMI?
- The activation of a remote object occurs when a client makes a method call on that object. Why is this a better option than pre-loading things that are farther away?Write a game program that prints a chart to the screen showing the randomness of a die. The game should first prompt the client for a number of die throws that he would like. The game then throws the die that many times. The game then prints a chart showing a line of asterisks for each die number, indicating the number of times the die landed with that face number on top. If the die behaves in a truly random fashion, each chart will look a little different, reflecting the randomness of the die. A random die number can be generated with the following code: int diceFaceNumber = (int)((Math.random() * 6) + 1). Allow the client to repeat the game as many times as she wishes. I used six methods to simplify the code. Any group of lines of code that is repeated is a prime candidate for a method. Guarantee the number entered is not less than zero. Recall System.out.print(); does not give a new line and can be used to print a series of asterisks or a string of asterisks can be…When a client calls a method on a remote object, it is activated. Why is this superior than pre-loading distant objects?
- Please make a CORBA IDL only accessed by the client for the following: Create a server program that allows client programs to connect to it. A client must login with the necessary credentials stored in a database that the server can access. If the account is currently logged in, the connected client will be denied. After connecting, the client can begin playing the game. The game will only begin if there is at least one other person eager to participate. When a player/s joins within 10 seconds, the game begins with each round in which the server sends 17 random letters (with 5 to 7 vowels) to all players, with the goal of each player being to send a single valid word, with at least five (5) letters, that can be formed from the letters sent by the server. A letter from the 17 randomly chosen letters may be repeated. If the word produced and provided by the player has fewer than five letters or is invalid, the server will respond with an invalid word formed. Each player has 10 seconds…using c++ We need to build a server that can store secret notes for users. The server can store/show/deletethe secret notes when the user enters his credentials. You can store the users’ credentials (username andpassword) in plaintext on the server. So, when the user enters the username and password, the serverretrieves the user’s notes and prints it.Storing the user’s credentials as plain text is not a secure strategy. If someone could hack the server, itcould easily find the stored credentials and unravel all the user’s secret notes. One better strategy is toencrypt the credentials using the hashing and store the hashed credentials instead of the plaintextcredentials.You are required to build a hash function that takes the credentials and converts it to a hash indexwhich represents the user’s name and password.Construct a server (class) that has the following:- credentials_file_path: string; where this file contains the hash_index,secret_notes_file_path for each secret note.- table:…I need help with this: (BMI Server) Write a server for a client. The client sends the weight ( in pounds) and height (in inches) for a person to the server (see Figure 33.18a). The server computes BMI (Body Mass Index), and sends back to the client a string that reports the BMI (see Figure 33.18b). See Section 3.8 for computing BMI. Name the client Exercise33_01Client and the server Exercise33_01Server.