You can create an ArrayList using A. new ArrayList[] B. new ArrayList[100] C. new ArrayList<>() D ArrayI isto
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JAVA
you guys returned the question and said that it is a writing assignment but it is not. It is a java question, multiple-choice no coding. Please help me with this.
![9. You can create an ArrayList using
A. new ArrayList[]
B. new ArrayList[100]
C. new ArrayList<>()
D. ArrayList()](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe8f98c03-2dea-45fe-9e7d-c001811b98bd%2Fc0fcd88c-1072-4123-9021-efa39df61d3c%2Flb7ijk9_processed.png&w=3840&q=75)
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- ArrayList list = new ArrayList(); What is the initial quantity of the ArrayList list? a. 5 b. 10 c. 0 d. 100Write 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.ArrayList<Integer> list = new ArrayList<Integer>(25); What is the type of the ArrayList defined in question number?
- 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>To declare an array of String called myStrings, we would code: ArrayList<Blank 1> myStrings = Blank 2 ArrayList<String>();Write only the required Java statements to do the following: i) create a new ArrayListobject named cityList to hold String objects; ii) add the following city names (as string) in the array list: Atlanta, Chicago, Denver, Houston, Minneapolis; iii) remove the item at index 3 and then print the item stored at index 3 of cityList. iv) What value will be printed for index 3?
- 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.Arrays: create an array of a given type and populate its values. Use of for loop to traverse through an array to do the following : to print the elements one by one, to search the array for a given value. ArrayList: create an ArrayList containing elements of a given type . Use some of the common ArrayList methods to manipulate contents of the ArrayList. Write methods that will take an ArrayList as its parameter/argument ; and/or return an ArrayList reference variable as its return type. Searching for an object in an Array: Loop through the ArrayList to extract each object and to check if this object’s attribute has a given value. Explain how and why interfaces are used in Java Collection Framework. Explain the major differences between a Stack and a Queue. Be able to use stack and queue methods. What is meant by O(N) notation? Express the complexity of a given code using the O(N) notation.Question 4: Task 1: Create a generic method named sum() that accepts a generic ArrayList reference and returns the sum of the elements in the ArrayList argument. The generic type is bound to the Number class. The method will throw a NullPointerException is the input argument is null. public static ______________________sum(____________________) { } Task 2: i) Create an ArrayList of 100 random integers taking values between 0 and 1000. ii) Use the sum() method to find the sum in the integer ArrayList. iii) Create an ArrayList of 200 random real numbers taking values between -50.0 and +50.0. iv) Use the sum() method to find the sum in the ArrayList of real numbers. public static void main(String[] args){ } Task 3: Create a recursive method named dec2bin() that takes an integer argument (in decimal format) and returns the binary representation of the input argument as a String. Make sure that the input argument is not negative! public static String…
- Write the following method that returns themaximum value in an ArrayList of integers. The method returns null if thelist is null or the list size is 0.public static Integer max(ArrayList<Integer> list)Write a test program that prompts the user to enter a sequence of numbers endingwith 0 and invokes this method to return the largest number in the input.Create an array of objects of the Person class, of size 4. Create three objects of the Person class, with values, and assign the objects to the array. Loop through the array and print the name, job, and email of all Personobjects.code: public class PasswordGeneratorAndStorage {/*** Adds an application to the applications ArrayList. If index is -1, add application* to the end of applications. Else is index is within the size of applications, add* application at that index in applications. Otherwise, return. However, if applications * or application is null, return.* * @param applications* @param application* @param index*/public static void addApplication(ArrayList<String> applications, String application, int index) {// TODO: FILL IN BODY}/*** Generates a random password of length passwordLength and adds it to the end of* passwords if index is -1, or adds it to the index of passwords if index is within the* size of passwords (similar to how the addApplication adds an application). To generate* the random password, use rand to generate a random int within the size of characters. You* can then use this int to grab the char at that index in characters and concatenate that* to your String password variable.…