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- Instrument shellsort to print the number of compares divided by the array sizefor each increment. Write a test client that tests the hypothesis that this number is asmall constant, by sorting arrays of random Double values, using array sizes that areincreasing powers of 10, starting at 100Complete the following code for sorting an array of objects of the described ??????? class. The method should sort the elements of the array according to a decreasing order of the averages of the students. public class practice { public void sort (student[] aArray) { practice student; int chosenIndex = 0; for ( int x = 0; x < aArray.length - 1; x++) { chosenIndex = x; for (int y = x + 1; y < aArray.length; y++) { if (____) chosenIndex = y; } if (chosenIndex != x) { temp = ____; aArray[x] = ____; _____; } }}in java Declare and initialize an array with 8 integer elements. Use therandom method of the Math class to initialize the values with randomintegers between 1 and 50 (exclude 50) and print each of them onConsole.
- Complete the following code for sorting an array of objects of the described ??????? class. The method should sort the elements of the array of students such that names are arranged based on lexicographic ordering. public void sort(student[] aArray) { student temp; int chosenIndex = 0; for (int x = 0; x < aArray.length - 1; x++) { chosenIndex = x; for (int y = x + 1; y <aArray.length; y++) { if (_____) chosenIndex = y; } if (chosenIndex != x) { temp = _____; aArray[x] = ______; _______; } } }Write in java code Create an array myArr of 10 integer elements and initialize/fill it with numbers (not sorted) between 0 and 20; for example myArr = [ 12, 3, 19, 5, 7, 11,….etc.]. (a) print the array. (b) Use method sort() of class Arrays to sort myArr and print it after sorting. (c) Use the arraycopy() method of class System to copy myArr to another array called my2ndArr, then print both arrays. (d) use method equals() of class Arrays between the two arrays and print the results. (e) use method fill() to fill my2ndArr with 99 in all elements and then use method equals()and print the result whether the two arrays are equal or not. (f) use the method binarySearch() to search myArr for the value 15 and print the resultQUESTION 20 Code a JavaScript callback function for the Array.reduce method to evaluate an array of strings determine the longest string return the longest string Note: if there are two or more strings that are the longest, the function is to return the second last one.
- Can you make the array be randomly genorated instead of already named values, and ask the user to enter the number of numbers that will be genorated in the array. Everything else can stay the same. '''def binary_search(arr, x): low = 0high = len(arr) - 1mid = 0while low <= high: mid = (high + low) // 2if arr[mid] < x: low = mid + 1elif arr[mid] > x: high = mid - 1else: return mid return -1arr = [ 2, 3, 4, 10, 40 ] print("The array is [ 2, 3, 4, 10, 40 ]")x = int(input("Enter which value do you seek to find from the array above? "))while not (x==2 or x==3 or x==4 or x == 10 or x == 40):print("Option isn't in the array.")x = int(input("Please input a valid number to search "))result = binary_search(arr, x) print("Searching for", x) if result != -1: print("Element is present at index", str(result))Q2. Write a Java program named RandomNumbers that creates a single-dimensional array of int of size 20 and initialize its elements with 20 random integer numbers (their range must be between 1 and 100 inclusive. Write statements in your program to display the array elements, and how many odd and even numbers are there in the array. For example, if the random numbers were stored in the array are: 83 48 89 66 40 94 31 31 12 45 45 87 10 24 78 2 28 31 52 46 Then the program should display: The random numbers are: 83 48 89 66 40 94 31 31 12 45 45 87 10 24 78 2 28 31 52 46 There are 8 odd numbers There are 12 even numbers An element in the array is a peak (max or min) if the elements before and after that element are greater than the element itself (min) or the elements before and after that element are less than the element (max). Write a method in your program called displayPeaks…Program71.java Write a program that creates a 32-element array of random integers all from 1 to 100, inclusive. Then execute a custom method with the array as its only argument. The method should begin by using a loop to print the array elements in 4 rows and 8 columns, with all columns being five characters wide. Duplicates are okay. This same loop should determine how many integers in the array are odd numbers. After this loop ends, use this figure to declare a new array of integers named odds. Process the array again in the method, but this time with a foreach loop, and add the odd integers to the odds array. Return the odds array back to main. In main, report the size of the array and sort it ascending. Finally use a while loop to print the odd integers all on one line separated by spaces.Program72.java See Section 7.13 and watch the Command Line Arguments (2:08) video (video image below). Then, write a program that takes two double command line arguments representing the sides of…
- Program71.java Write a program that creates a 32-element array of random integers all from 1 to 100, inclusive. Then execute a custom method with the array as its only argument. The method should begin by using a loop to print the array elements in 4 rows and 8 columns, with all columns being five characters wide. Duplicates are okay. This same loop should determine how many integers in the array are odd numbers. After this loop ends, use this figure to declare a new array of integers named odds. Process the array again in the method, but this time with a foreach loop, and add the odd integers to the odds array. Return the odds array back to main. In main, report the size of the array and sort it ascending. Finally use a while loop to print the odd integers all on one line separated by spaces. Program73.java In main: Declare an array capable of holding five first names. Populate the array in a for loop by entering five first names all on one line separated by spaces. sort the array…Write a hangman game that randomly generates a word andprompts the user to guess one letter at a time, as presented in the sample run.Each letter in the word is displayed as an asterisk. When the user makes a correctguess, the actual letter is then displayed. When the user finishes a word, displaythe number of misses and ask the user whether to continue to play with anotherword. Declare an array to store words, as follows:// Add any words you wish in this arrayString[] words = {"write", "that",...}; (Guess) Enter a letter in word ******* > p↵Enter(Guess) Enter a letter in word p****** > r↵Enter(Guess) Enter a letter in word pr**r** > p↵Enterp is already in the word(Guess) Enter a letter in word pr**r** > o↵Enter(Guess) Enter a letter in word pro*r** > g↵Enter(Guess) Enter a letter in word progr** > n↵Entern is not in the word(Guess) Enter a letter in word progr** > m↵Enter(Guess) Enter a letter in word progr*m > a↵EnterThe word is program. You missed 1 timeDo…Write a method that finds the largest element in an array of double values using the following header: public static double max(double[] array) Write a test program that prompts the user to enter ten numbers, invokes this method to return the maximum value, and displays the maximum value.