In this programming project, your task is evaluating the performance of Array, ArrayList, and Vector collections. To evaluate, please complete the following steps: 1. Create an Array, an ArrayList, and a Vector. 2. Generate 50,000,000 integer numbers between 0 to Integer.MAX_VALUE. 3. Calculate the times that take to add 50,000,000 numbers into the Array, ArrayList, and Vector that you created. Report the times that take to add these number to these collections. 4. Calculate the times that take to sort these numbers using Arrays.sort() for the array and Collections.sort() for the ArrayList and the Vector collections. 6. Report the times that take to sort these numbers. 5.
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- 1. Create a new project and name it fa3_- 2. Use arrays in writing this program. 3. Write a program that computes for the median of a one-dimensional array. The median is computed as follows: a. If the number of elements is odd, the median is the middle element. in 180 b. If the number of elements is even, the median is the average of the two middle elements. 7 4. The array size can range from 3-10 only. 5. Take note that the elements should be in ascending order before computing for the median. SAMPLE OUTPUT: Desired number of elements: 3 6. Provide all possible validations. 7. See sample output below. Enter 3 elements: 5 The median is 7. Try Again [YIN]? YArrays: 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.Problem #3. Design an ArrayList that asks the user to input 10 numbers. Get the sum of evennumbers, odd numbers, positive numbers, and negative numbers.Class Name: ArrayListSumPostitiveNegativeNumbersSample Input/Output:Enter the 10 values of the ArrayList12345-1-2-3-4-5The sum of even numbers is: 0The sum of odd numbers is:0The sum of positive numbers is:15The sum of negative numbers is:-15 Machine Problem #4. Design an ArrayList that asks the user to input 15 numbers. Get the highest and smallestvalueClass Name: ArrayListBiggestSmallestSample Input/Output:Enter the values of the 3-D array:123456789101112131415The highest value is: 15The smallest value is: 1 use java language
- 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 indicesParameters array - Any JavaScript Array size - A positive integer Number indicating the desired "chunk" size. Return Value A new Array of Arrays. Each sub-Array has a length equal to size. Remaining elements are gathered into a final sub-Array. Do not mutate the input array Do not use Array.prototype.slice in your implementation.Do not use Array.prototype.shift in your implementation.Do not use Array.prototype.pop in your implementation.Do not use Array.prototype.splice in your implementation. Please fix this JavaScript function so that the when calling the function with the parameters chunk([false, true, false, true], 3); the output is [[false, true, false], [true]] (subarrays)and when the parameters are chunk([undefined, null, 0, false, NaN, ""], 3); the output is [[undefined, null, 0], [false, NaN, ""]] thank you very much! function chunk(ar, sz) { var res = []; var ind = 0; // itterating through the new length of resulting array for (var i = 0; i < ar.length / sz; i++)…For the array ADT, the operations associated with the type array are: insert a value in the array, delete a value from the array, and test whether a value is in the array or not. 1.true 2.false
- Problem 1 – Adding contactsIn this problem, you will create the skeleton for your entire assignment. In the next problems, you will add more functionality to your program.Our goal on this problem is to create a Rolodex to store names and e-mails (using 1D or 2D arrays, you can choose). The Rolodex can store up to 256 contacts. The Rolodex will store the contact's name as one String and the contact's e-mail as another String.Your application will work as follows:1. Upon starting, it will greet the user and prompt the user to select an option (an integer)2. There are three options in problem 1:1 – to add contactnote: If the Rolodex is full, i.e. there are 256 contacts stored, this option should print: "Roldex is Full" and ask the user to input a new option5 – to print all contacts0 – to exitIf the user inputs an incorrect value, the program should prompt for an option againIf the users select option 1:1. The application will then ask for the contact's name and e-mail (see the example for…True or False. A simple variable, also called a scalar variable, is one that is unrelated to any other variable in the computer’s internal memory. The bubble sort algorithm gets its name from the fact that as the larger values drop to the bottom of the array, the smaller values rise, like bubbles, to the top. Programmers use arrays to temporarily store related data in the internal memory of the computer. Different variables in the same array may have different data types. The elements in an array can be used just like any other variables. When an array is sorted in ascending order, the first element contains the largest value and the last element contains the smallest value. When passing an array by reference in C++, you do not include the address-of operator before the formal parameter’s name in the function header. You distinguish one variable in a one-dimensional array from another variable in the same array using a unique integer,…The purpose of this exercise is to create an Array List data structure that mimics the behavior of the Java Standard Library Version. Task Check List ONLY "for" loops should be used within the data structure class. The names of identifiers MUST match the names listed in the description below. data fields: The fields to declare have private accessibility. size : stores the number of occupied locations in internal array, and is of type int. data : is a reference variable for the internal array and is of type E[ ]. constant: Use to describe defaults. DEFAULT_CAPACITY is a constant that holds a default capacity of ten (10) for the underlying array, is of type int , public accessibility and modified to static. constructors: The overloaded constructors will initialize the data fields size and data. The default constructor calls the second constructor, generating an internal array with the specified DEFAULT_CAPACITY. public ArrayList() The second constructor generates an…
- Functions with 2D Arrays in Java Write a function named displayElements that takes a two-dimensional array, the size of its rows and columns, then prints every element of a two-dimensional array. Separate every row by a new line and every column by a space. In the main function, call the displayElements function and pass in the required parameters. Output 1 2 3 4 5 6 7 8 91. Shift Left k Cells Use Python Consider an array named source. Write a method/function named shiftLeft( source, k) that shifts all the elements of the source array to the left by 'k' positions. You must execute the method by passing an array and number of cells to be shifted. After calling the method, print the array to show whether the elements have been shifted properly. Example: source=[10,20,30,40,50,60] shiftLeft(source,3) After calling shiftLeft(source,3), printing the array should give the output as: [ 40, 50, 60, 0, 0, 0 ]An array with more than one index is called a/an: partially filled array. O multidimensional array. O bidirectional array. one dimensional array.