Wap shows the ComparatorDemo class, which populates an array of Student objects and then calls Arrays.sort with each of our Comparator objects to demonstrate the difference in the sort order.
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Wap shows the ComparatorDemo class, which populates an array of Student objects and then calls Arrays.sort with each of our Comparator objects to demonstrate the difference in the sort order.
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- shows the ComparatorDemo class, which populates an array of Student objects and then calls Arrays.sort with each of our Comparator objects to demonstrate the difference in the sort order. Creates several Student objects, then sorts them using three different Comparator objectsDetermine if the following statements is true or false. Screen shot shows the text's arraycollection and sortedarraycollection With the text's array-based collection implementation, the set of stored elements is scattered about the array. The text's sorted array-based collection implementation stores elements in the lowest possible indices of the array. When comparing two objects using the equals method inherited from the Object class, what is actually compared is the contents of the objects.Use the ArrayList class Add and remove objects from an ArrayList Protect from index errors when removing Practice with input loop Details: This homework is for you to get practice adding and removing objects from an ArrayList. The Voter class was used to create instances of Voters which held their name and a voter identification number as instance variables, and the number of instances created as a static variable. This was the class diagram: The constructor takes a string, passed to the parameter n, which is the name of the voter and which should be assigned to the name instance variable. Every time a new voter is created, the static variable nVoters should be incremented. Also, every time a new voter is created, a new voterID should be constructed by concatenating the string “HI” with the value of nVoters and the length of the name. For example, if the second voter is named “Clark Kent”, then the voterID should be “HI210” because 2 is the value of nVoters and 10 is the number…
- demonstrates the ComparatorDemo class, which uses Arrays after populating a collection with Student objects.To show the difference in the sort order, arrange each of our Comparator objects.shows the ComparatorDemo class, which populates an array of Student objects and then calls Arrays.sort with each of our Comparator objects to demonstrate the difference in the sort order. Creates several Student objects, then sorts them using three different Comparator objects use java Black numbers in CaseWare means those numbers will print? true or falseThe implementation of a queue in an array, as given in this chapter, uses the variable count to determine whether the queue is empty or full. You can also use the variable count to return the number of elements in the queue. On the other hand, class linkedQueueType does not use such a variable to keep track of the number of elements in the queue. Redefine the class linkedQueueType by adding the variable count to keep track of the number of elements in the queue. Modify the definitions of the functions addQueue and deleteQueue as necessary. Add the function queueCount to return the number of elements in the queue. Also, write a program to test various operations of the class you defined.
- Use the right loop for the right assignment, using all the follow- ing loops: for, while without hasNext(), while with hasNext() and do-while. So I cannot use array. it has to be done in java.Add methods to the STUDENT class that compare two STUDENT objects. One method should test for equality. The other methods should support the other possible comparisons. In each case, the method returns the result of the comparison of the two students' names. Place several STUDENT objects into a list and shuffle it. Then run the SORT method with this list and display all of the students' information.In writing a general-purpose sort method in Java, the sort method needs to compareobjects. There are two ways to give the sort method the code to compare objects,implementing the interfaces Comparable and Comparator respectively. Extend Article class toimplement Comparable interface so that the default sorting of the Articles is by its volume
- Design and implement an insertSorted() method for the MyArrayList class. The method should receive a single object and insert it in its correct position. You can assume that the calling array is already in a sorted order. The calling array is therefore updated. Follow the three step method for designing the method. Develop the java code for the method. Create a test program to test the method thoroughly using the Integer wrapper class.Define a class called Book. This class should store attributes such as the title, ISBN number, author, edition, publisher, and year of publication. Provide get/set methods in this class to access these attributes. Define a class called Bookshelf, which contains the main method. This class should create a few book objects with distinct names and store them in an ArrayList. This class should then list the names of all books in the ArrayList. Enhance the program by providing a sort function, which will sort the books in ascending order of their year of publication. Create a few more Bookobjects with the same names but with different edition numbers, ISBNs, and years of publication. Add these new Book objects to the ArrayList, and display the book list sorted by book name; for duplicate books of the same name, sort the list by year of publication. (Hint: You will need to define a comparator class that takes two Book objects as parameters of the compareTo This method should do a two-step…Modify the quick sort implementation in the textbook to sort the array using pivot as the median of the first, last, and middle elements of the array. Add the modified quick sort implementation to the arrayListType class provided (arrayListType.h). Ask the user to enter a list of positive integers ending with -999, sort the integers, and display the pivots for each iteration and the sorted array. Main Function #include <iostream>#include "arrayListType.h"using namespace std; int main(){ arrayListType<int> list;int num;cout << "Line 8: Enter numbers ending with -999" << endl;cin >> num; while (num != -999){list.insert(num);cin >> num;} cout << "Line 15: The list before sorting:" << endl;list.print();cout << endl; list.selectionSort();cout << "Line 19: The list after sorting:" << endl;list.print();cout << endl; return 0;} Header File (arrayList.h) Including images #include <iostream>#include <cassert>…