What does the following code display? ArrayList mylist mylist.add("XRAY"); mylist.add("YELLOW"); mylist.add("ZING"); = new ArrayList(); System.out.print(mylist.get(0).charAt(2)); Select one O A. XRAY O B. ZING O C. R O D. A
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- Write code that creates an ArrayList that can hold String objects. Add the names of three cars to the ArrayList, and then display the contents of the ArrayList.Given these three ArrayLists: ArrayList collectionA = new ArrayList(); ArrayList collectionB = new ArrayList(15); ArrayList collectionC = new ArrayList(25) ; After adding 390 items to each collection, answer the following two questions: Blank 1: Which ArrayList has the largest capacity for the array data member being used internally for storing the items in the object? Blank 2: What is the capacity for the object in blank one? Blank # 1 A Blank # 2 ARemaining Time: 1 hour, 28 minutes, 53 seconds. v Question Completion Status: Analyze the following and select the right print result ArrayList arrstr=new ArrayList(); arrstr.add("Bashful"); arrstr.add("awful"); arrstr.add("jumpy"); arrstr.add("Happy"); arrstr.set(1, "hello"); arrstr.add(3, "hi"); arrstr.remove(2); System.out.println("the index of awful is + arrstr.index0f("awful")); O the index of awful is -1 O the index of awful is 0 O the index of awful is 1 the index of awful is 2 Click Save and Submit to save and submit. Click Save All Answers to save all answers. Close V Save All Answers exercice3.doCx exercice2.doCx TOSHIBA
- ArrayList<Integer> a01 = new ArrayList<Integer>();a01.add(8); a01.add(7); a01.add(4); a01.add(6); a01.add(7);a01.add(5); a01.add(9); a01.add(3); a01.add(2); a01.add(1);int r01 = 0;for(int j = 0; j < a01.size(); j += 2){ r01 += a01.get(j) - a01.get(j+1);}System.out.println(r01); Please answer it quickly!THie. Thoui, 28 minutes, 58 seconds. v Question Completion Status: Analyze the following code and select the right printing result ArrayList arrstr=new ArrayList(); arrstr.add("Bashful"); arrstr.add("awful"); arrstr.add("jumpy"); arrstr.add("Happy"); arrstr.add(3, "hi"); System.out.println(arrstr); O [Bashful, awful, jumpy, hi] O [Bashful, awful, jumpy, hi, Happy] O [Bashful, awful, jumpy, Happy, hi] O [Bashful, awful, jumpy, hi, hi] Click Save and Submit to save and submit. Click Save All Answers to save all answers. Save All Answers Clos exercice3.docx exercice2.docx TOSHIBAcontinue from first question, Client class:The client program will allow entry of these data for several different student into an ArrayList and then perform some analysis and queries.Your client class (program) will provide the user with a menu to perform the following operations. You will also need to load the information of the students from a CSV file (student.csv) before displaying the menu. You only need one ArrayList and one menu for this. For the csv file, your first item can be U or G to differentiate whether the entry is creating a UndergraduateStudent object, or a GraduateStudent object. You can then decide how you want other data to be listed in the csv file. You should specify clearly in your documentation the data format of the CSV files used in this assignment.1. Quit (exit the program)2. Add (to the ArrayList) all the marks information about an undergraduate or graduate student by reading it from another CSV file. Your program will ask for the file name.3. Given student…
- Remaining Time: 1 hour, 29 minutes, 04 seconds. * Question Completion Status: GOLJITO Analyze the following code and select the right print result ArrayList hetero=new ArrayList(); hetero.add(3); hetero.add("salut"); hetero.add(6.78); hetero.add(null); hetero.add("salut"); System.out.println(hetero.index0f ("salut")); O-1 O 1 O 2 Click Save and Submit to save and submit. Click Save All Answers to save all answers. exercice3.docx exercice2.docx TOSHIBA 近getListRowIndices Method public static java.util.ArrayList<java.lang.Integer> getListRowIndices(int[][] array, int rowLength) This method returns an ArrayList with the indices of rows of the two-dimensional having a length that corresponds to rowLength. You may only use one auxiliary method. The method should create an ArrayList that is passed to the auxiliary in order to place the indices (if any). If no indices are found, an empty (size of 0) ArrayList will be returned. You can assume the array parameter will not be null and every row of the two-dimensional array has an array with a size of at least 0. Your implementation must be recursive and you may not use any loop construct. Do not use ++ or -- in any recursive call argument. It may lead to an infinite recursion. For example, use index + 1, instead of index++. Parameters: array - rowLength - Returns: ArrayList<Integer>Part 1: Add the code of the ArrayListType to your code. Part 2: Create an Ordered_List class derived from the ArrayListType then add the following function to this class: Constructor to create an array of the size specified by the parameter size. The default array size is 20. Sorted Insert this function takes an integer values then add it to the list this function should check whether the value exist in the list or not. If it is already exist then it will not be inserted to the list, this function should keep the list ordered. Remove function to remove an item from the list. The function takes a single parameter that specifies the number to be removed. • Sequential Search a function to search the list for an integer if exist return its location otherwise return -1. This function specifies the number we are looking for as a parameter. Part 3: Implement the following non-member functions to deal with the Ordered List objects: Load file: this function should read a text file consist an…
- Part 1: Add the code of the ArrayListType to your code. Part 2: Create an Ordered_List class derived from the ArrayListType then add the following function to this class: Constructor to create an array of the size specified by the parameter size. The default array size is 20. Sorted Insert this function takes an integer values then add it to the list this function should check whether the value exist in the list or not. If it is already exist then it will not be inserted to the list, this function should keep the list ordered. Remove function to remove an item from the list. The function takes a single parameter that specifies the number to be removed. • Sequential Search a function to search the list for an integer if exist return its location otherwise return -1. This function specifies the number we are looking for as a parameter. Part 3: Implement the following non-member functions to deal with the Ordered List objects: Load file: this function should read a text file consist an…Write a statement that creates an ArrayList object and assigns its address to a variable named lizards. The ArrayList should be able to store String objects only.Main difference between an array and an ArrayList is that an ArrayList can store more data types an ArrayList can store more elements an ArrayList executes faster for retrieval and insertion an ArrayList takes care of the memory management automatically an ArrayList uses positions and an array uses indices