Fill in the blank to complete the following method that takes an array of integers and returns the average as a double: public static double getAverage(int[] array) { double avg = 0; for (. avg + array[i]; avg /- array.length; return avg;
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- in java Create two arrays with same length n: - Array A with integer numbers that user will insert- Array B with random numbers from 0 to 100.- Find sum of both arrays,- Find maximum values of both array and compare them: .if maximum of 1 st is lower then maximum of 2nd array: print sums of both arrays.if maximum of 1st is greater then maximum of 2nd array print 2nd array (use println)otherwise print first array in reverse.FOR JAVA Write a method that takes a two dimensional integer array, and returns the number of elements in it. Note that your method should also work with nonrectangular arrays such as {{1}, {2, 3}, {4, 5, 6}}.Write the method sum2D() which accepts a two dimensional integer array and returns the sum of all the elements of the array.
- Write method findZero, as started below. findZero should return the index of the first element of array A that contains the value zero, starting from position 0 up through position pos. If no element of A from position 0 to position pos contains the value zero, then findZero should return –1. For example:(in java) Array (A) Position (pos) Value returned by findZero(A, pos) 1 0 2 5 6 0 -1 1 0 2 5 6 1 1 1 0 2 5 6 2 1 1 0 2 0 6 2 1 1 0 2 0 6 4 1 1 2 3 4 5 4 -1 Complete method findZero below. Assume that it is called only with values that satisfy its assumptions as stated below. // Description: Returns smallest index k // such that (0 <= k <= pos) and (A[k] == 0) // Assumptions: 0 <= pos < A.length public int findZero(int[] A, int pos) {Write array methods that carry out the following tasks for an array of integers bycompleting the ArrayMethods class below. For each method, provide a test program.public class ArrayMethods{private int[] values;public ArrayMethods(int[] initialValues) { values = initialValues; }public void swapFirstAndLast() { . . . }public void shiftRight() { . . . }. . .} bjeo_ch07p.indd 6 11/21/18 5:15 PM Practice Exercises EX7-7 a. Swap the first and last elements in the array.b. Shift all elements to the right by one and move the last element into the firstposition. For example, 1 4 9 16 25 would be transformed into 25 1 4 9 16.c. Replace all even elements with 0.d. Replace each element except the first and last by the larger of its two neighbors.e. Remove the middle element if the array length is odd, or the middle twoelements if the length is even.f. Move all even elements to the front, otherwise preserving the order of theelements.g. Return the second-largest element in the array.h. Return true…Write a java method that finds the minimum of each array
- FOR JAVA Write a method that takes a one dimensional integer array and an integer, and returns the index of the integer in the array. If the integer is not in the array, your program must return -1. If there are multiple occurrences of that number, your program must return the smallest index.5. Write a static method largestColumnFirst() that receives as parameter a 2D array numAr,finds the column with the largest sum, and switches it with the first column. For example:6 7 9 4 8 9 7 6 4 83 2 7 4 1 → 7 2 3 4 19 4 5 8 3 5 4 9 8 3Write a value-returning method that returns the product of all the elements in an integer array
- Write a Java program tat prompts user for a list of integers with 0 as the last value.Save the values in an array. Assume there can be maximum 100 values. Theprogram should have the following methods:- A method that takes the array as parameter and updates each value in thearray to the square of the value.- Another method that takes the original and modified arrays as parametersand displays the original and the squared values.Write a Java program to implement the following by using class Arrays: Read 5 student marks and keep them in array marks Print the elements of array marks Copy the content of array marks to another array copyMarks Sort the array marks in ascending order and print the sorted array Compare whether the two arrays marks and copyMarks are equal Search for the mark 88.0 in the array markse and print appropriate message Hint: use toString() for print, arraycopy() for copy, sort() for sort, equals() for comparison, and binarySearch() for searchimport math array = [4, 5, 6, 7, 8, 9, 33, 24, 15, 11] print("Original array") print(array) print() # Get no. of elements n = len(array) s = math.floor((n-1)/2) e = math.floor(n/2) # while loop while (s >= 0 and e <= n-1): # swap the numbers array[s], array[e] = array[e], array[s] s = s-1 e = e+1 # now array is reversed print("Reversed array") print(array) Check this code and ,using time measurements, test your algorithm and plot a graph that shows its growth rate when variating the size.