There will one question related to ArrayList class similar to the following question. The following driver has created a an ArrayList of Point objects. write a method that moves all the points with the value of x greater than its value of y to the end of the list. .
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Urgent Requirement:
There will one question related to ArrayList class similar to the following question.
The following driver has created a an ArrayList of Point objects.
write a method that moves all the points with the value of x greater than its value of y to the end of the list. .
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- Challenge exercise Create a class called SortingTest. In it, create a method that accepts an array of int values as a parameter and prints the elements sorted out to the terminal (smallest element first).JAVA, PLEASE THE PROGRAM SHOULD USE THE INITIAL ARRAYLIST AND TO EDIT IT NOT TO CREATE A NEW ONE Create a class called OurArrayList and implement the following methods. Do NOT createany auxiliary memory.Include a main method and test all your methods with appropriate examples.a. Write a method called scaleByK() that takes an ArrayList of integers as aparameter and replaces every integer of value K with K copies of itself. Forexample, if the list stores the values (4, 1 , 2, 0 ,3) before the method is called, itshould store the values (4, 4, 4, 4, 1, 2, 2, 3, 3, 3) after the method finishesexecuting. Zeroes and negative numbers should be removed from the list by thismethodJAVA, NOTE: PLEASE THE METHOD SHOULD USE THE INITIAL ARRAYLIST AND TO EDIT IT NOT TO CREATE A NEW ONE Create a class called OurArrayList and implement the following methods. Do NOT createany auxiliary memory.Include a main method and test all your methods with appropriate examples.a. Write a method called scaleByK() that takes an ArrayList of integers as aparameter and replaces every integer of value K with K copies of itself. Forexample, if the list stores the values (4, 1 , 2, 0 ,3) before the method is called, itshould store the values (4, 4, 4, 4, 1, 2, 2, 3, 3, 3) after the method finishesexecuting. Zeroes and negative numbers should be removed from the list by thismethod
- Use the Iterator Pattern: Create a class called Exercise, and then, in its main method, create an ArrayList called stringArrayList. Add the following five strings to stringArrayList: “one”, “two”, ”three”, ”four”, ”five”. Then, use a for loop and the index of stringArrayList to print all these five strings out to the console. 2. For stringArrayList above, can you use an iterator to traverse the five strings inside, without using the index? 3. If change stringArrayList into a TreeSet, how do you traverse the five strings use an iterator? Implement an Iterator: 4. Create a class called StringArray that is able to store a number of String objects. Create an instance variable, String[] values, (internal data storage) of StringArray to store all the strings. 5. Create a constructor for StringArray, which is able to build an object of StringArray using the parameter. public StringArray(String[] values) 6. Make the class StringArray implements Iterable So that it…Java question Use the Iterator Pattern: Create a class called Exercise, and then, in its main method, create an ArrayList called stringArrayList. Add the following five strings to stringArrayList: “one”, “two”, ”three”, ”four”, ”five”. Then, use a for loop and the index of stringArrayList to print all these five strings out to the console. 2. For stringArrayList above, can you use an iterator to traverse the five strings inside, without using the index? 3. If change stringArrayList into a TreeSet, how do you traverse the five strings use an iterator? Implement an Iterator: 4. Create a class called StringArray that is able to store a number of String objects. Create an instance variable, String[] values, (internal data storage) of StringArray to store all the strings. 5. Create a constructor for StringArray, which is able to build an object of StringArray using the parameter. public StringArray(String[] values) 6. Make the class StringArray implements…Please use java. Show the steps with pictures. In this assignment, you will implement a class calledArrayAndArrayList. This class includes some interesting methods for working with Arrays and ArrayLists. For example, the ArrayAndArrayList class has a “findMax” method which finds and returns the max number in a given array. For a defined array: int[] array = {1, 3, 5, 7, 9}, calling findMax(array) will return 9. There are 4 methods that need to be implemented in the A rrayAndArrayList class: ● howMany(int[] array, int element) - Counts the number of occurrences of the given element in the given array. ● findMax(int[] array) - Finds the max number in the given array. ● maxArray(int[] array) - Keeps track of every occurrence of the max number in the given array. ● swapZero(int[] array) - Puts all of the zeros in the given array, at the end of the given array. Each method has been defined for you, but without the code. See the javadoc for each method for instructions on what the…
- To demonstrate working with ArrayLists, we will be working with four source files: a Dessert class, two classes that extend Dessert called IceCream and Cake, and a TestDessert class. The TestDessert class contains a main() method that declares an ArrayList to hold Dessert objects. This ArrayList is referenced by the variable named "list". Examine TestDessert's main() method and notice the four comments. You are to implement code that accomplishes the tasks described in each step. For step 1, you are to populate the ArrayList with 10 IceCream and Cake objects. These objects should be inserted into the ArrayList at random. This means each run of the program should produce an ArrayList with different proportions of IceCream and Cake objects. After this operation, the ArrayList should contain 10 total objects (IceCream and Cake objects). Display the ArrayList after the operation. For step 2, if the first and last dessert in the ArrayList are different (one is IceCream and the other is…4. Now examine the ArrayList methods in the above table, a) Which method retrieves elements from the ArrayList? b) Which method replaces the value of an element that already exists in the ArrayList? c) Which two methods initializes the value of an element? d) How do the two methods in (c) differ? Which method(s) would be appropriate in the above Java program (after we convert it to work with ArrayLists)?A supermarket wants to reward its best customer of each day, showing the customer’s name on a screen in the supermarket. For that purpose, the store keeps an ArrayList.Create a class customer having id, name, gender, and bill provide appropriate getters/setters and constructors also provide toString method.In the Store class, make an ArrayList of customers, store name, and address implement methods public void addSale(Customer c) that will add customers to the arraylist.public void RemoveCustomer(int id);public void UpdateCustomerRecord(int Id);public displayAll();public String nameOfBestCustomer() to record the sale and return the name of the customer with the largest sale. public ArrayList nameOfBestCustomers(int topN) so that it displays the top customers, that is, the topN customers with the largest sales, where topN is a value that the user of the program supplies. Write a program that prompts following menu and ============================================…
- java, PLEASE THE METHOD SHOULD USE THE INITIAL ARRAYLIST NOT TO CREATE A NEW ONE Create a class called OurArrayList and implement the following methods. Do NOT create any auxiliary memory.Include a main method and test all your methods with appropriate examples.a. Write a method called scaleByK() that takes an ArrayList of integers as aparameter and replaces every integer of value K with K copies of itself. Forexample, if the list stores the values (4, 1 , 2, 0 ,3) before the method is called, itshould store the values (4, 4, 4, 4, 1, 2, 2, 3, 3, 3) after the method finishesexecuting. Zeroes and negative numbers should be removed from the list by thismethodplease use the name, phonenumber and phonebookentry to build this. The three parallel arrays are gone — replaced with a single array of type PhonebookEntry. You should be reading in the entries using the read method of your PhonebookEntry class (which in turn uses the read methods of the Name and PhoneNumber classes). Use the equals methods of the Name and PhoneNumber classes in your lookup and reverseLookup methods. Use the toString methods to print out information. Make 100 the capacity of your Phonebook array Throw an exception (of class Exception) if the capacity of the Phonebook array is exceeded. Place a try/catch around your entire main and catch both FileNotFoundExceptions and Exceptions (remember, the order of appearance of the exception types in the catch blocks can make a difference). Do not use BufferedReader while(true) breaks The name of your application class should be Phonebook. Also, you should submit ALL your classes (i.e., Name, Strip off public from all your class…Please add comment on each line Thank you very much! Write a static method, getBigWords, that gets a single String parameter and returns an array whose elements are the words in the parameter that contain more than 5 letters. (A word is defined as a contiguous sequence of letters.) EXAMPLE: So, if the String argument passed to the method was "There are 87,000,000 people in Canada", getBigWords would return an array of two elements, "people" and "Canada". ANOTHER EXAMPLE: If the String argument passed to the method was "Send the request to support@turingscraft.com", getBigWords would return an array of three elements, "request", "support" and "turingscraft".