In Java language, Construct a class; Person with the following fields: Lastname. Firstname, Age, and address. Use the constructor to initialize the fields. Use a method to display the inputted Lastname, Firstname, Age, and address.
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In Java language, Construct a class; Person with the following fields: Lastname. Firstname, Age, and address. Use the constructor to initialize the fields. Use a method to display the inputted Lastname, Firstname, Age, and address.
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- JAVA PROGRAMMING - Write a program that displays the employees Ids together with their first and last names. Use two classes. The first class contains the employee data and separate methods to set and get the ID’s and names. The other class creates objects for the employees and uses the objects to call the methods. Create several employees and display their data.Java Programming problem Create a checking account class with three attributes: account number, owner’s name, and balance. Create constructor, getters and setters. If one is to set the initial balance of an account as a negative value in a setter or a constructor, remind the user about the error and set it as 0. Create a CheckingAccountDemo class, and create a main method in which Ask for the name, account number, and initial balance for one account from the keyboard input. With these input values as arguments in a call to the constructor, create a CheckingAccount object. Print the summary of this account that includes information on the name, account number, and balance by calling the getters.Practice with writing a program that contains three classes: Ship CruiseShip CargoShip Classes Design a Ship class with the following members: A field for the name of the ship (a string) A field for the year that the ship was built (a string) A constructor that accepts two arguments for the two fields, and appropriate accessors and mutators A toString method that returns a string with the ship’s name and the year it was built Design a CruiseShip class that extends the Ship class. The CruiseShip class should have the following members: A field for the maximum number of passengers (an int) A constructor that accepts three arguments for the three fields and appropriate accessors and mutators A toString method that overrides the toString method in the base class. The CruiseShip class’s toString method should return a string with only the ship’s name and the maximum number of passengers. Design a CargoShip class that extends the Ship class. The CargoShip class should have the…
- Object Oriented Programming: 213COMP, 214COMP (Feb-2022) Assignment- I [10 marks] Academic honesty: O Only pdf file accepted & student ID, will be your upload file. O Student who submit copied work will obtain a mark of zero. O Late work or attach file by email message not allowed. Q1: Write the signature for a method that has one parameter of type String, and does not return a value. Q2: Write the signature for a method that has two parameters, both of type Student, and returns an int value. Q3: Write the constructor's headers of the followings? new Student (202101156, “Ahmed"); new Address(51, "jazan university","CS&IT" ); new Grade(true, 505235600, 4.5); Q4: a) Write a class Student that define the following information: name, stid , age. b) Explain a mutators (setters) and accessors(getters) methods for each attributes(fields). c) Add three constructors: • with empty constructor. one parameter constructor (name of student) two parameters constructor (name and stid) d) Create two…Java code Write the header for a public method named doStuff that has no parameters and no return value. Remember to include the opening brace for the method. Assume that the method will be in the main class and called directly by the main method.In Java Know the correct syntax to write a Student class: fields name and grade ; constructors; display method: include default and overloaded constructor
- True or FalseIt is a common practice to make all a class’s fields private and to provide access to those fields through methods.In PYTHON Design a class named Car that has the following fields: yearModel: The yearModel field is an integer that holds the car's year model (e.g, 1959). speed: The speed field is an integer that holds the car's current speed. In addition, the class should have the following constructor and other methods: Constructor: The constructor should accept the car's year model and speed as arguments. These values should be assigned to the object's yearModel and speed fields.The constructor should also assign 0 to the speed field. Accessors: Design appropriate accessor methods to get the values stored in an object's yearModel and speed fields. accelerate: The accelerate method should add 5 to the speed field each time is called. brake: The brake method should subtract 5 from the speed field each time it is called. Next, design a program that creates a Car object, and then calls the accelerate method five times. After each call to the accelerate method, get the current speed ofthe car and…CLASS NAME List the instance variables in the constructor. List the methods in the class. - indicates private CLASS NAME List the instance variables in the constructor. List the methods in the class. The second row of the UML diagram lists the instance variables in the constructor. For example -name: string o o name is the variable name o string is the data type of name + indicates public o getName is the method name o o string is the return data type Java.util. The third row of the diagram lists the methods in the class. For example, +getName(): string empty parenthesie indicate nothing is sent to the method.
- Design a class that holds the following personal data: name, address, age, and phone number. Write appropriate accessor and mutator methods. Also, write a program that creates three instances of the class. One instance should hold your information, and the other two should hold your friends’ or family members’ information.In Java programming (Lesson: Objects, Classes, and Constructors) Every class has a constructor and if we do not explicitly write a constructor for a class, the java compiler builds a default constructor for that class. False or True Please provide an explanation for the answer. Thank you!1- Write a Java class that models a Vehicle. There are three types of vehicles (Sedan, SUV, Truck). Every vehicle object should also contain an instance variable that can be used to store the time at which the vehicle has entered the car parking building (Hint: use the java.util.Date class to represent the time). In addition to the constructors, you should provide the following methods: public double getDuration(Date exitTime) this method will return the duration (in minutes) from the time the vehicle entered the parking until the given exitTime. public String getType() this method will return either Sedan or SUV or Truck based on the vehicle type. public void setType(String type) this method will set the type of the vehicle to either Sedan or SUV or Truck. public void setEntryTime(Date entryTime) this method will set the time at which the vehicle has entered the parking.