2. Suppose class called Student that defines three instance variables: name (string), age (integer), mark1, mark2 and mark3 (double) And three methods: • readinfo for read data for student. printinfo for print student name and average. average for return average of three marks (mark1, mark2 and mark3). Write a program that test methods in the class.
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- 3. Suppose class called Student that defines four instance variables: name (string), age (integer), marks (2D for store marks (double)for 6 lesson in 4 years), averages(1D for store averages(double) of 4 years) And three method: readinfo for read data for student. • printinfo for print student name and average for student. Average for calculate averages of 4 years. Write a program that test methods in the class.1/ Implement a class Employee. An employee has a name (a string) and a salary (a double). Provide a constructor with two arguments public Employee(String employeeName, double currentSalary) and methods public String getName() public double getSalary() public void raiseSalary(double byPercent) These methods return the name and salary, and raise the employee's salary by a certain percentage. Sample usage: Employee harry = new Employee("Hacker, Harry", 50000); harry.raiseSalary(10); // Harry gets a 10 percent raise Supply an EmployeeTester class that tests all methods. 2/Implement a class Car with the following properties. A car has a certain fuel efficiency (measured in miles/gallon or liters/km—pick one) and a certain amount of fuel in the gas tank. The efficiency is specified in the constructor, and the initial fuel level is 0. Supply a method drive that simulates driving the car for a certain distance, reducing the amount of gasoline in the fuel tank. Also supply methods…Design a class that holds the following personal data: name, address, age, and phone number. Write appropriate accessor and mutator methods. Also, design 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. very basic ALGORITHM in PSUEDOCODE NOT PYTHON. Use fictitious information.
- Write a program in java Design a class that holds the following personal data: name, address, age, and phone number.Write appropriate accessor and mutator methods. Demonstrate the class by writing aprogram that creates three instances of it. One instance should hold your information, andthe other two should hold your friends’ or family members’ information.1/ Write a BankAccountTester class whose main method constructs a bank account, deposits $1,000, withdraws $500, withdraws another $400, and then prints the remaining balance. Also print the expected result 2/ Implement a class Employee. An employee has a name (a string) and a salary (a double). Provide a constructor with two arguments public Employee(String employeeName, double currentSalary) and methods public String getName() public double getSalary() public void raiseSalary(double byPercent) These methods return the name and salary, and raise the employee's salary by a certain percentage. Sample usage: Employee harry = new Employee("Hacker, Harry", 50000); harry.raiseSalary(10); // Harry gets a 10 percent raise Supply an EmployeeTester class that tests all methods. 3/Implement a class Car with the following properties. A car has a certain fuel efficiency (measured in miles/gallon or liters/km—pick one) and a certain amount of fuel in the gas tank. The efficiency is specified in…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. my information: name= doe address= 51 any street age= 19 number= 732 810 9995 friends info: name= ella address= 174 any street age= 22 number= 732 895 3586 friends info: name= meg address= 34 any street age= 20 number= 732 337 5580
- Design a class called "Person" with attributes for name, age, and gender. Implement methods to get and set these attributes, and also a method to calculate the person's age in dog years (assuming 1 dog year is equivalent to 7 human years).Java. Modify a dealership's Automobile class so it includes fields for an id (ID number), make, model, color, year, and mpg (miles per gallon). Include get and set methods for each field. Do not allow the ID to be negative or more than 9999; if it is, set the ID to 0. Do not allow the year to be earlier than 2005 or later than 2019; if it is, set the year to 0. Do not allow the miles per gallon to be less than 10 or more than 60; if it is, set the miles per gallon to 0. Include a constructor that accepts arguments for each field value and uses the set methods to assign the values. The TestAutomobile.java file has been provided to test your implementation. Here is the code so far: public class Automobile { private int id; private String make; private String model; private String color; private int year; private double mpg; public Automobile(int id, String make, String model, String color, int year, double mpg) { } public…Java. Modify a dealership's Automobile class so it includes fields for an id (ID number), make, model, color, year, and mpg (miles per gallon). Include get and set methods for each field. Do not allow the ID to be negative or more than 9999; if it is, set the ID to 0. Do not allow the year to be earlier than 2005 or later than 2019; if it is, set the year to 0. Do not allow the miles per gallon to be less than 10 or more than 60; if it is, set the miles per gallon to 0. Include a constructor that accepts arguments for each field value and uses the set methods to assign the values. The TestAutomobile.java file has been provided to test your implementation. Here is the code so far: public class Automobile { private int id; private String make; private String model; private String color; private int year; private double mpg; public Automobile(int id, String make, String model, String color, int year, double mpg) { } public…
- The following is a class definition for a simple Ebook. Two instance variables and one parameterless constructor are provided. Part 1: Write a second constructor that takes a String array of pages as input and sets the String array instance variable equal to the input. Continue to default the current page number to zero. Part 2: Write a getter and a setter method for the page number variable. The setter should check to make sure that the input is a valid page number and only update the variable if the new value is valid. Part 3: Write a getCurrentPage method that returns the String of the current page indexed by current_page. public class Ebook{ private String[] pages; private int current_page; //constructor public Ebook() { this.pages = {"See Spot.", "See Spot run.", "Run, Spot, run."}; this.current_page = 0; }}Write a class that represents a digital snowman. Your class should follow these guidelines: 1. Store the following private class variables a. bodyColor of type Color. b. int x, int y for the upper left corner. c. Graphics g. 2. Create two different constructor methods. a. A (int x, int y, Graphics myG) parameter constructor that makes the snowman a light gray color by default and makes x and y the upper left corner and saves the graphics panel to draw on. b. A (int x, int y, Graphics myG, Color c) parameterized constructor that requires a color as an input and then saves the color given in addition to the x and y and the graphics panel. c. Each constructor should set /save the appropriate bodyColor to the necessary Color 3. Create a public drawSnowMan() method a. Instantiate three Ovals that draw the body of the snowman. b. Make sure to shift/translate the ovals based upon the proper x and y. c. Your Ovals should be filled with whatever color bodyColor is set to. d. Create several…Exercise 2. Write a driver class to test the Item class as follows: a. Generate 3 Item objects using the all parameters constructor, let the user input all required data. b. Ask the user to input the frequency for each object. c. Print the 3 Items using the display method. Sample Run: Enter code, name, price of Object 1: E001 iPhonell 750 Enter code, name, price of Object 2: FO01 Table 500 Enter code, name, price of Object 3: A001 AirPodPro 230 Enter frequency of object 1: h Enter frequency of object 2: L Enter frequency of object 3: a The price of the item iPhone 11 (E001) is 750, its final price is 600 The price of the item Table (FO01) is 500, its final price is 475 The price of the item Air Pod Pro (A001) is 230, its final price is 230