4. Create a class named 'PrintNumber' to print various numbers of different datatypes by creating different methods with the same name 'printn' having a parameter for each datatype. 5. What is the output of this question? class Test1 { public static void main(String[] args) { int x = 20; System.out.println(x); } static { int x = 10; System.out.print(x + " "); } }

Lab 6 - Exercise 2. Write a test driver that reads data about two surgeons and print the specialization of the doctor with the highest salary using the method that compares the salary of surgeons. A Doctor class has the following private data members, constructor, and public methods: name (String) salary (int) End of document I A constructor without parameters, A constructor with parameters, A set method for the data variables (one method) A get method for each data members. A method to print Doctor information A Surgeon is a subclass of Doctor with the following private data members, constructor, and public methods: specialization (String) degree (string) A constructor without parameters, A constructor with parameters, · A set method for the data variables (one method) · A get method for each data member. · A method to print all Surgeon information. · A method that compares the salary of two Surgeons and return the specialization of the doctor with the higher salary. 1. Implement the…

Create a class Course, which has one field: String courseName   Create the constructor, accessor, and mutator for the class. Then, in the main method of this class, create an instance of the class with the name "CST1201".   Write an equivalent while statement to replace the following for statement   for (int i=2; i<100; i=i+2) {        System.out.println(i); }

IN JAVA. Any help is appreciated! Thank you!   PART 1 : Automobiles Create a data class named Automobile that implements the Comparable interface. Give the class data fields for make, model, year, and price. Then add a constructor, all getters, a toString method that shows all attribute values, and implement Comparable by using the year as the criterion for comparing instances. Write a program named TestAutos that creates an ArrayList of five or six Automobiles. Use a for loop to display the elements in the ArrayList. Sort the Arraylist of autos by year with Collections.sort(). Finally, use a foreach loop to display the ArrayList sorted by year.