Let’s say we need the client class Client.java to be able to accomplish the same functionality (printing a message) using another library class LibN. However, the new library class does not have a method named method1( ) but instead has methodA( ) for the same functionality.
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- write the code in java. Write the class Student having attributes name (String), age (int) and cgpa (double) and methods to set the values of attributes and to return them. There should be constructors (default, parameterize and copy) to initialize the value of attributes. Write another class name Student Management having array of students and count of students as attribute. There should be method for the following: 1. Add new Student in Array 2. Remove a Student from Array using Name (of Student) 3. Sort the Students in array using Name (ascending order) 4. Sort the Students in array using Age (ascending order) 5. Sort the Students in array using CGPA (ascending order) 6. Reverse the order of the Students in array 7. Display information of all Students in array (from zero index to last index) Write another class named as Main having main method and show activity of above methods. 1. Add 5 Students in array 2. Display all students in array 3. Remove a student by name 4. Show the count…Implement a superclass Person. Make two classes, Student and Instructor, that inherit from Person. A person has a name and a year of birth. A student has a major, and an instructor has a salary. Write the class declarations, the constructors, and the methods toString for all classes. Supply a test program for these classes and methods. In javaWe have a parking office class for an object-oriented parking management system using java Add (implement) a method to the Parking Office to return a collection of permit ids (getPermitIds) I have attached two class diagrams with definitions of all related classes in our system (i.e car, customer, .....). N.B. Parking office methods in the class definition like register, getcustomer and addcharge have already been implemented, we just need an additional getPermitIds method as mentioned above Explain your code in a few words
- In this task, you will create your own interface, which is not provided in the Java library. Let’s start with a simple example. Say we have a collection of animal classes, with each class represents a kind of animal. They all share a common ability of “speak”. Dog speak in the way of “Woof! Woof!”, cats speak in the way of “Meow! Meow!”, etc. In order to capture this common characteristic, we need an interface named Speakable: public interface Speakable { // put the method header here } Think about what method is needed for the Speakable interface? (what method can describe the speakable feature? ) We simply need one method speak() to print out the way that the animal “speaks”. Put the method header in the interface body. This method does not take any parameter and does not return any value. Be reminded that you only need to put the method header with a semicolon (abstract method) into the interface. BE NOTED: Adding an interface is different from adding a class. You need to click File…write easy java program. Implement a superclass Person. Make two classes, Student and Instructor, that inheritfrom Person. A person has a name and a year of birth. A student has a major, and an instructor has a salary. Write the class declarations, the constructors, and themethods toString for all classes. Supply a test program for these classes and methods.We have a parking office class for an object-oriented parking management system using java Add (implement) a method to the Parking Office class to return a collection of permit ids (getPermitIds) I have attached two class diagrams with definitions of all related classes in our system (i.e car, customer, .....). N.B. Parking office methods in the class definition like register, getcustomer and addcharge have already been implemented, we just need an additional getPermitIds method as mentioned above
- Below we have class diagrams with three classes for a simple java based parking management class. Use the classes below to write java code for classes :a parking observer class (that implements an observer pattern) , a transaction manager class and a parking lot class(subject to the observer). Use the class diagram and java class to implement it. You should use an observer pattern to implement your code.The main goal is to implement the following - Once a car enters (in an entry-scan only lot) or leaves (in an entry-scan and exit-scan lot), then the ParkingObserver will be updated, and then can register the charge with the parking system via the TransactionManager’s park() methodCreate an interface MessageDecoder that has a single abstract method decode(cipherText), where cipherText is the message to be decoded.The method will returnthe decoded message. Create a class SubstitutionCipher that implements the interface MessageDecoder as described above. The constructorshould have one parameter called shift. Define the method decode so that each letter is shifted by the value in the shif. For example, if shift is 3, a will be replaced by d, b will be replaced bt e, c will be replaced by f, and so on. Hint: You may wish to define a private methodthat shifts a single character. Create a class ShuffleCipher that implements the interface MessageDecoder. The constructor should haveone parameter called n. Define the method decode so that the message is shuffledn times.To perform one shuffle, split the message in half and then take the charactersfrom each half alternatively. For example, if the messsage is "abcdefghi", the halves are "abcde" and "fghi". The shuffled…Can someone help in java Create a class Hotel with member data, hotel name and category (number of stars).For the Hotel class, write the standard methods (constructors, get & set, toString ()) and the getWiFi () method, which returns the wifi address formed by the first 4 letters of the hotel name and any number (you can get it with the random number generator) .In main (), illustrate the use of the Hotel class. Create a PopulatedHotel class, successor to the Hotel with an additional ArrayList <> field on behalf of the hotel guests.For the PopulatedHotel class, write standard methods (constructors, get & set, toString ()), with the get and set methods working with separate elements of ArrayList <>. For the PopulatedHotel class, also write methods for adding and removing a guest and a method for checking that a person is staying at the hotel. In main (), illustrate the use of the PopulatedHotel class.
- Write a Java application for the Banking system that consists of at least three classes for Bank, Clients and Transactions. The following concepts should be applied: Defining a constructor with and without arguments. Use the setter, getter and toString methods. Sending an object/s to a method and returning it as a return value. Defining array of objects and using loop/s and Scanner object/s for data entry. Defining the main method that integrates the whole project.This way, any class that implements the Visible interface can define its own behavior for making an object visible or invisible based on its specific requirements.Create the Priority Java interface, which has the methods setPriority and getPriority. A method for determining numerical priority among a group of objects should be defined by the interface. Create and implement a class named Task that represents a task that implements the Priority interface, such as one that is on a to-do list. To test some Task objects, construct a driver class.Given a class student that represents names and grades of a class: 1. How would we implement the Comparable interface in our class so we can compare the scores of individual students? Write the complete Class Header implementing this interface. 2. Write the complete Method Header for the Student class's compareTo method. You do not need to write the body of the method.