myClassObject is an instance of MyClass. What is printed when myClassObject.doSomething(2); is run? public class MyClass { private int num; } public MyClass() { num= 5; 25 } public void doSomething (int num) { O 52 } an error will be thrown System.out.print(num); System.out.print(this.num); none of these is correct nothing because the MyClass class will not compile
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- public class OfferedCourse extends Course { // TODO: Declare private fields // TODO: Define mutator methods - // setInstructorName(), setLocation(), setClassTime() // TODO: Define accessor methods - // getInstructorName(), getLocation(), getClassTime() } import java.util.Scanner; public class CourseInformation { public static void main(String[] args) { Scanner scnr = new Scanner(System.in); Course myCourse = new Course(); OfferedCourse myOfferedCourse = new OfferedCourse(); String courseNumber, courseTitle; String oCourseNumber, oCourseTitle, instructorName, location, classTime; courseNumber = scnr.nextLine(); courseTitle = scnr.nextLine(); oCourseNumber = scnr.nextLine(); oCourseTitle = scnr.nextLine(); instructorName = scnr.nextLine(); location = scnr.nextLine(); classTime = scnr.nextLine(); myCourse.setCourseNumber(courseNumber); myCourse.setCourseTitle(courseTitle);…public class MyGenClass { private T1 name; private T2 stulD; private T3 CGPA; public void setStuData( ){ l parameters name = n; stulD = d: CGPA = g; public void printAsString() { System.out.printin( '): # print all Information as string public static void main(String args||) { Il Create an object stu by parameters String, Integer, Double II Call setStuData() with any values you like Il Call printAsString()2. Using Encapsulation concept for Test1 class. package Exam; public class Test1 { private static int index = 0; public int x; Test1(){ index ++; } public static int getlndex () { return index; } public void prints(){ System.out.println("Hi Students!"); } } public class Test2 extends Test1 { @Override public void prints(){ System.out.println("OOP!"); } } public class Main { public static void main(String[] args) { } }
- Write a constructor for the IceCreamCup class. The constructor takes the name, and a List of Flavor s (name it fList) as parameters. It initializes the instance variables with the parameters. Use shallow copy for initializing the list of Flavor s. (Throw an IllegalArgumentException if the name is null, or the Flavor list is null or empty.) Note that successful instantiation should increase nCups by 1.The interface Range is defined below:public interface Range{ void setLimits(int x, int y); int getNumber();}Implementations of Range should exhibit the following behaviour:• The setLimits method should store its parameter values somewhere to serve as the lower and upper limits of the range appropriately.• A call to getValue should return an integer that is always greater than or equal to the lower limit and less than or equal to the upper limit.The class RandomInteger is an implementation of the interface Range. It also has the following features:• It has two fields of int type, low and high, to record the lower and upper limits of the range, respectively.• It has single constructor method that takes two integers and stores them in the appropriate fields. Note: You should make use of the setLimits method.• A call to the method getNumber should return a random number that is always within the range, i.e. greater than or equal to the lower limit and less than or equal to the upper limit.…Consider public class MyClass { public MyClass(){/code/} // more code… } To instantiate MyClass, you would write? MyClass mc = new MyClass(); MyClass mc = MyClass; MyClass mc = MyClass(); MyClass mc = new MyClass; public static int foo(int a, String s) { s = “Yellow”; a=a+2; return a; } public static void bar() { int a=2; String s = “Blue”; a = foo(a,s); System.out.println(“a=”+a+” s=”+s); } public static void main(String args[]) { bar(); } What is printed on execution of these methods? a = 4 s = Blue a = 5 s = Yellow a = 3 s = Yellow a =2 5 s = Blue What is true about private fields of a class? They must be used with private methods. They are accessible from anywhere inside or outside of a class. They can never be used in a class. They can be accessed only by methods inside the class they are associated with.
- exam.ptuk.e Course What is the output of the following code? public interface yourInterface { int x= 10, y-20; void printName(); void printDate(): ut of juestion abstract class yourAbstarct implements yourInterface { int x= 100; void prinfName() System.out.print("YourAbstarct" +" ); class yourClass extends yourAbstarct { int y = 200; void printName(){ System out print('Name" + " "); void printDate(){ System.out.print("Date" + " "): public static void main(String] args) { yourInterfaces=new yourClass(): S.printName(); S.printDate(): System.out.print(s.y +""): System.out.print(s.x +): G 4) a hppublic class Father { public String name; public int age; // customer name Father(){ name=”Hassan”; age=50;} public void display(){ System.out.println(“Name:”+name); System.out.println(“Age:”+age); } } 1. Based on Figure 3, create a class named Child that inherits the Father class. Declare an instance name location (String) for class Child. 2. Define a constructor in class Child and give an appropriate initial values for the instance (name, age, location). 3. Define a method display () in class Child, execute the display ( ) method in superclass using the keyword super. Method display ( ) in class Child should print the information of name, age and location 4. Create other class named Main for the main method and create 2 objects for the 2 classes (Father and Child). Then execute the display ( ) method for Father and Child. Example of the output as in Figure 4: Father's info: Name: Josh Age: 50 Child's info: Name: Christy Age: 20 Location:…The class diagram below shows an Order class that "has a" Customer and zero or more Items. Order class should contain private Customer m_cust; private ArrayList<Item> m_items; public Order(Customer cus t) public void additem(Item i) public String toString() Item class should contain private String m_desc private int m_qty private double m_price public Item(String des c, double price, int qty) public String toString() Customer class should contain private String m_first; private String m_last; public Customer(String first, String last) public String toString() Please create the Order, Customer, and Item classes shown above. I have provided you with a read-only Main class that you can use to test your code. When you have completed the Order, Customer, and Item classes, running the Main program should produce the following output: Order for Smith, Tom Order Items: Greeting Card: 1 at 1.5 Baseball Glove: 1 at 54.0 Notebook: 3 at 2.5 public class Main{ public static void…
- For the following four classes, choose the correct relationship between each pair. public class Room ( private String m type; private double m area; // "Bedroom", "Dining room", etc. // in square feet public Room (String type, double area) m type type; m area = area; public class Person { private String m name; private int m age; public Person (String name, int age) m name = name; m age = age; public class LivingSSpace ( private String m address; private Room[] m rooms; private Person[] m occupants; private int m countRooms; private int m countoccupants; public LivingSpace (String address, int numRooms, int numoccupants) m address = address; new int [numRooms]; = new int [numOceupants]; m rooms %3D D occupants m countRooms = m countOccupants = 0; public void addRoom (String type, double area)Java programming language I need the two classes ( the testing class and the class with the methods) to be combined into one class. This is the program: import java.util.Scanner; //The Temperature Class Begins Here public class Temperature { private double ftemp; //The constructor public Temperature(double ftemp) { this.ftemp = ftemp; } //Get farenheit Method public double getFtemp() { return ftemp; } //Set farenheit method public void setFtemp(double ftemp) { this.ftemp = ftemp; } // Get Celcius Method public double getCelcius(double ftemp){ //double celcius = (double) (5/9) * (ftemp - 32); double celcius = (ftemp-32)* (double)5/9; return celcius; } // Get Kelvin Method public double getKelving(double ftemp){ double Kelvin; Kelvin = (ftemp-32)*(double)5/9 + 273.15; return Kelvin; } } //The Temperature Class Ends Here //The Temperature Test Class with a main method begins Here class….archPriorityQueue.java import java.util.Comparator; import java.util.NoSuchElementException; public class PriorityQueue { /* attributes */ private int currentSize; // Number of ele private PriorityQueueNode [ ] PQ; // The private static final int DEFAULT_CAPACITY private Comparator super PriorityQueuel /* default constructor */ public PriorityQueue( ) { currentSize = 0; cmp = null; PQ = new PriorityQueueNode [DEFAULT_C } In PriorityQueue.java, write code for the following new functions: 1. public boolean add( PriorityQueueNode x ) This function adds a new node x to the priority queue. The node is added to the heap by comparison of the rating attribute. It involves the "percolate up" process and returns true when finished. /* getter methods for attributes */ public int getSize( ) { return currentSize; } public PriorityQueueNode remove ( This function removes the minimum element of the priority queue and returns it. It involves a call to percolateDown ( int hole ). /* methods from…