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- TASK 5. Methods Overloading. Review Methods, Implement the following code, test it with different input, make sure it runs without errors./* * rotate4 - Rotate x to the left by 4 * Examples: rotate4(0x87654321) = 0x76543218 * Legal ops: ~ & ^ | + << >> ! * Max ops: 10 * Rating: 2 */int rotate4(int u) { return 2;} Do not use any control constructs such as if, do, while, for, switch, etc.Rename the show method to people Override the show method in student and in the other class you created (this will be the polymorphic method) In main program, create an array of 3 objects of class people Instantiate each array position with a different object (people, student, other) With a loop, display all the objects in the array.
- 6.20 LAB: Fibonacci sequence Java? The Fibonacci sequence begins with 0 and then 1 follows. All subsequent values are the sum of the previous two, for example: 0, 1, 1, 2, 3, 5, 8, 13. Complete the fibonacci() method, which has an index, n, as parameter and returns the nth value in the sequence. Any negative index values should return -1.Problem 3 (Comparing Student Data)Write a method called compare_average() that takes a student object as a parameter.This method must compare the average grades of the calling object with that of theparameter object and print the results. It does not return anything.See the sample output below. Alice has a higher average than BobBob has a higher average than CathyAlice has a higher average than CathyCreate java code a class shop. In a shop, we have a list of products saved in an array. A product is characterized by :code, name, expiry_date, price and quantity.
- Please complete the task by yourself only in JAVA with explanation. Don't copy. Thank you. Using quicksort to sort an array of car objects by various criteria. Define a class Car as follows: class Car { public String make; public String model; public int mpg; // Miles per gallon } a) Implement a comparator called CompareCarsByMakeThenModel that can be passed as an argument to the quicksort method from the lecture notes. CompareCarsByMakeThenModel should return a value that will cause quicksort to sort an array of cars in ascending order (from smallest to largest) by make and, when two cars have the same make, in ascending order by model.Please complete the task by yourself only in JAVA with explanation. Don't copy. Thank you. Using quicksort to sort an array of car objects by various criteria. Define a class Car as follows: class Car { public String make; public String model; public int mpg; // Miles per gallon } a) Implement a comparator called CompareCarsByMakeThenModel that can be passed as an argument to the quicksort method from the lecture notes. CompareCarsByMakeThenModel should return a value that will cause quicksort to sort an array of cars in ascending order (from smallest to largest) by make and, when two cars have the same make, in ascending order by model. b) Implement a comparator called CompareCarsByDescendingMPG that can be passed as an argument to the quicksort method from the lecture notes. CompareCarsByDescendingMPG should return a value that will cause quicksort to sort an array of cars in descending order (from largest to smallest) by mpg. c) Implement a comparator called…Please complete the task by yourself only in JAVA with explanation. Don't copy. Thank you. Only finish the (d) question, Thank you ! Using quicksort to sort an array of car objects by various criteria. Define a class Car as follows: class Car { public String make; public String model; public int mpg; // Miles per gallon } a) Implement a comparator called CompareCarsByMakeThenModel that can be passed as an argument to the quicksort method from the lecture notes. CompareCarsByMakeThenModel should return a value that will cause quicksort to sort an array of cars in ascending order (from smallest to largest) by make and, when two cars have the same make, in ascending order by model. b) Implement a comparator called CompareCarsByDescendingMPG that can be passed as an argument to the quicksort method from the lecture notes. CompareCarsByDescendingMPG should return a value that will cause quicksort to sort an array of cars in descending order (from largest to smallest) by mpg. c)…
- Implement solutions for the following methods: • getCourseSize() – returns the number of students registered in the course (not in the waitlist). It should maintain the public size variable that keeps track of the number of students registered. • getRegisteredIDs() – returns an array of int[], namely registered student id’s. The length of the array is the size (number of students) in the course. • getRegisteredStudents() – returns an array of type Student[], namely the registered Students. The length of the array is the current size (number of students) of the course. • getWaitlistedIDs() – returns an array of type int[], namely the ids of students in the waitlist. • getWaitlistedStudents() – returns an array of Students in the waitlist. public class Course { public String code; public int capacity; public SLinkedList<Student>[] studentTable; public int size; public SLinkedList<Student> waitlist; public Course(String code) {…JAVA - Please produce both a product.java file and a productprinter.java file (tester) Implement a class Product. A product has a name and a price, for example new Product("Toaster", 29.95). Supply methods getName, getPrice, and reducePrice. Supply a program ProductPrinter that makes two products, prints each name and price, reduces their prices by $5.00, and then prints the prices again.Can someone help me write a class in Java. The class will read a file of people: their name, year of birth, and year of death. The class must have at least one ArrayList. The class's constructor will read the file specified by its parameter. Each line looks like the samplebelow:FirstName LastName YearOfBirth YearOfDeathThe items on each line are separated by tabs. The class will also have these methods: -preBoom() : This method will return the number of people born before 1945, the start ofthe Baby Boom - minAge() : This method will return the age of the youngest person in the list - maxAge() : This method will return the age of the oldest person in the list - aveAge() : This method will return the average age of the people in the list. Theaverage value returned will be an integer. - seniors() : This method will return the number of people aged 65 or over