Given the following class template, which is a proper way to create an instance of it?
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Given the following class template, which is a proper way to create an instance of it?
template <class T>
class MyArray {
private:
T* arr;
public:
MyArray(int size) { arr = new T[size]; }
};
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- Help me run this code import java.util.*;class Main{static int max_kids;HashMap<String,ArrayList<Section> > sports ;public Main(int max){max_kids = max;sports = new HashMap<>();}static class Person{String name;int age;public Person(String name , int age ){this.name = name;this.age = age;}}static class Trainer extends Person{int id;public Trainer(int id , String name , int age ){super(name , age );this.id = id;}}static class Kid extends Person{int id;public Kid(int id , String name , int age ){super(name , age );this.id = id;}}static class Section{int section;String course ;Trainer instructor;int size ;HashMap<Integer ,Trainer > Trainers;public Section(int section , String course , Trainer instructor){this.section = section;this.course = course;instructor = this.instructor;Kids = new HashMap<>();this.size = 0; }public void addKid(int id ,Kid s1){if(Kids.containsKey(id) || size == max_Kids){System.out.println("Adding student to Section is not…Lab 10 Using an interface to share methods It is often the case that two or more classes share a common set of methods. For programming purposes we might wish to treat the objects of those classes in a similar way by invoking some of their common routines.For example, the Dog and Cat classes listed below agree on the void method speak. Because Dog and Cat objects have the ability to “speak,” it is natural to think of putting both types of objects in an ArrayList and invoking speak on every object in the list. Is this possible? Certainly we could create an ArrayList of Dog that would hold all the Dog objects, but can we then add a Cat object to an ArrayList of Dog?Try running the main program below as it is written. Run it a second time after uncommenting the line that instantiates a Cat object and tries to add it to the ArrayList. import java.util.*;public class AnimalRunner{ public static void main(String[] args) { ArrayList<Dog> dogcatList = new ArrayList<Dog>();…Create a class called integerset. A set is representedinitially as an array of ones and zeros. a[i] is 1 if integer number i is in the set, and 0 if the integer number i is not in the set. An object is instantiated by passing to the constructor an integer representing the range of the set.For a set of integers from 0 to 19 is instantiated as integerset a(20); the default constructor is used also. An array containing the appropriate number of elements is allocated dynamically and initialized by the constructor.Provide Public member functions for the common set operations (union –intersection), print a set as a list of numbers separated by spaces, Print ---for empty set, equalto member function that determine if two sets are equal in elements, and final lessthan member function that determine the set is less than other set in the elements.Include any additional operations that you think would be useful for a complex number class.Design, implement, and test your class.
- Create a fee invoice application for students attending Valence College, a college in the State of Florida. There are two types of students: graduate and undergraduate. Out-of-state undergraduate students pay twice the tuition of Florida-resident undergraduate students (all students pay the same health and id fees). A graduate student is either a PhD or a MS student. PhD students don't take any courses, but each has an advisor and a research subject. Each Ms and Phd student must be a teaching assistant for one undergraduate course. MS students can only take graduate courses. A course with a Course Number (crn) less than 5000 is considered an undergraduate course, and courses with a 5000 crn or higher are graduate courses. CRN Course Credit Hours. 4587 MAT 236 4 4599 COP 220 3 8997 GOL 124 1 9696 COP 100 3 4580 MAT 136 1 2599 COP 260 3 1997 CAP 424 1 5696 KOL 110 2 7587 MAT 936 5 2599 COP 111 3 6997 GOL 109 1 2696 COP 101 3 5580 MAT 636 2 2099 COP 268 3 4997 CAP 427 1 3696 KOL 910 2…package lab1; /** * A utility class containing several recursive methods * * <pre> * * For all methods in this API, you are forbidden to use any loops, * String or List based methods such as "contains", or methods that use regular expressions * </pre> * * */ public final class Lab1 { /** * This is empty by design, Lab class cannot be instantiated */ privateLab1(){ // empty by design } /** * Returns the product of a consecutive set of numbers from <code> start </code> * to <code> end </code>. * * @param start is an integer number * @param end is an integer number * @return the product of start * (start + 1) * ..*. + end * @pre. * <code> start </code> and <code> end </code> are small enough to let * this method return an int. This means the return value at most * requires 4 bytes and no overflow would happen. */ publicstaticintproduct(ints,inte){ if(s==e){ returne; }else{ returns*product(s+1,e); } }…TaskDeclare and implement 5 classes: FloatArray, SortedArray,FrontArray, PositiveArray & NegativeArray.1- The FloatArray class stores a dynamic array of floats and itssize. It has:- A parameterized constructor that takes the array size.- An add method that adds a float at the end of the array.- Overloading for the insertion operator << to write the array to afile (ofstream)- Overloading for the extraction operator >> to read the arrayelements from the file (ifstream) and add them to the array.- A destructor to deallocate the array2- The SortedArray inherits from FloatArray. It has:- A parameterized constructor that takes the array size.- An add method that adds a float at the right place in the arraysuch that the array remains sorted with every add. Don’t add tothe array then sort but rather add in the right place.3- The FrontArray inherits from FloatArray. It has:- A parameterized constructor that takes the array size.- An add method that adds a float at the front of…
- Complete the Kennel class by implementing the following methods: addDog(Dog dog) findYoungestDog() method, which returns the Dog object with the lowest age in the kennel. Assume that no two dogs have the same age. Given classes: Class LabProgram contains the main method for testing the program. Class Kennel represents a kennel, which contains an array of Dog objects as a dog list. (Type your code in here.) Class Dog represents a dog, which has three fields: name, breed, and age. (Hint: getAge() returns a dog's age.) For testing purposes, different dog values will be used. Ex. For the following dogs: Rex Labrador 3.5 Fido Healer 2.0 Snoopy Beagle 3.2 Benji Spaniel 3.9 the output is: Youngest Dog: Fido (Healer) (Age: 2.0)Code: import java.util.*; //Bicycle interface interface Bicycle { abstract void changeCadence(int newValue); //will change value of candence to new value abstract void changeGear (int newValue); //changes gear of car abstract void speedUp(int increment); //increments speed of car by adding new Value to existing speed abstract void applyBrakes(int decrement); } //ACMEBicycle class definition class ACMEBicycle implements Bicycle { int cadence = 0; Â Â int speed = 0; Â Â int gear = 1; //methods of interface public void changeCadence(int newValue) { this.cadence=newValue; } public void changeGear (int newValue) { this.gear=newValue; } public void speedUp(int increment) { this.speed+=increment; } public void applyBrakes(int decrement) { this.speed-=decrement; } //display method void display() { System.out.println("Cadence: "+this.cadence); System.out.println("Gear: "+this.gear); System.out.println("Speed: "+this.speed); } } //KEYOBicycle class definition class KEYOBicycle implements…Task 4. Utility classes Implement a Menu-Driven program of ArrayList class using the above scenario and perform the following operations. a. Create an object of ArrayList class based on the scenario with explanations of the method used. b. Create a method that will allow inserting an element to ArrayList Class based on the scenario. The input field must be validated as necessary. C. Create a method to delete specific elements in the ArrayList with explanations of the method used.
- Parking (car Cars[], car Park[], int Area) { Car Cr, int CrNb; CrNb <-- 0; Park <-- { }; Cr <-- Select (Cars) I/ Cr = / if the Cars = {} while (Feasible (Cr)) do { Remove (Cr, Cars); Add (Cr, Park); CrNb <-- CrNb +1; Cr <-- Select (Cars) } if exist-Solution (Park) Then Success else return Error } Trace the above Greedy algorithm with the following data: Area = 1000, Cars [100, 50, 90, 70. 200, 300, 400, 80, 200] the cost for each parked car is 3JD. The objective function is: %3D k Max (ΣCis 1000) K |=1Please solve this questionbe fast please
