Consider the following equation for the sum of a finite arithmetic series: n(a,+an) S. where n is the number of elements in the series, a; is the first element of the series, and an is the last element of the series. Write a java method that returns the sum of the elements stored in the array in 8 above. The array must be passed to the method as an argument. Your solution should implement the equation for the sum Sn.
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The question is on the picture i posted. It ask element store in the array in 8 above. If you need the array it will be:
Consider an array that stores the following sequence of integers:
10, 15, 20, 25, 30
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Solved in 3 steps with 1 images
- FOR JAVA, PLEASE WRITE THE CODE OF THIS QUESTION FOR JAVA Write a static method histogram() that takes an array a[ ] of int values and an integer M as arguments and returns an array of length M whose ith entry is the number of times the integer i appeared in the argument array. If the values in a[ ] are all between 0 and M–1, the sum of the values in the returned array should be equal to a.length.Consider the following equation for the sum of a finite arithmetic series: Sm where n is the number of elements in the series, a is the first element of the series, and a, is the fast element of the series. Write a method that returns the sum of the elements stored in the array in 8 above. The array must be passed to the method as an argument. Your solution should implement the equation for the sum .Consider an array that stores the following sequence of integers: 10, 15, 20, 25, 30 Write a Java method that returns the sum of the integers stored in the array. The array must be passed to the method as an argument.
- First, write a Java method isSequence that takes as parameters a non-empty 2-dimensional array of integers. The method checks whether the elements of the array are consecutive or not.Second, write a java methods printArray(int[][]a) that writes the elements of an array passed in parameter to the standard output.Finally, use the following main method to test your different methods:public class CheckSequence{public static void main(String[] args){int[][] array1 = {{5,6,7,8},{9,10,11,12},{13,14,15,16}, {17,18,19,20}};int[][] array2 = {{1, 3 , 2,4},{5,6,7,8},{9,10,11,12},{13,14,15,16}};if (isSequence(array1)){System.out.println("The following array elements are successive:");printArray(array1);}if (isSequence(array2)){System.out.println("The following array elements are successive:");printArray(array2);}}}Write a Java method (do not write a class, only the method) with the following signature: Return type: void Parameters: 2D integer array Name: printDiagonal Implement the method code that will print out the values of the 2D array along the Diagonal from left to right. For example, if the array had the following values: 56 78 98 21 33 55 98 44 11 The method should print to the console: 56,33,11 The above 2D array example is only given for you to understand the problem Do not hard code the values in your solution or assume the array is the same as the given data. Your method should work for all 2D integer arrays.1. Write a java program with only the main() method that will print out following pattern.Use nested for loops, no input required from the user.55 45 4 35 4 3 25 4 3 2 12. Add to your java program from #1 above, that asks the user to enter an array of integersin the main() method. The program will first ask the user for the number of integerelements, how many, to be inputted into the array, and then ask the user for each elementof the array. Next, build a new method named isSorted() that accepts an array ofintegers and returns true if the list is in sorted in increasing order and false otherwise.For example, if arrays named arr1 and arr2 store [10, 20, 30, 41, 56] and [2,5, 3, 12, 10] respectively, the calls isSorted(arr1) and isSorted(arr2) shouldreturn true and false respectively. Assume the array has at least one integer element.A one-element array is considered to be sorted.
- Needs to be written in java: Write a program with a main() method that asks the user to input an integer array of 10 elements.Next, create three methods described below. From inside your main() method, call each of thethree methods described below and print out the results of the methods 2, 3, which return values.1. printReverse() - a method that receives an array of integers, then reverses the elements ofthe array and prints out all the elements from inside the method. Print all in one lineseparated by commas (see sample output below).2. getLargest() – a method that receives an array of integers, then returns the largest integervalue in the array. (print result from main())3. computeTwice()- a method that receives the previously reversed array of integers, thenreturns an array of integers which doubles the value of each number in the array (see thesample output below). (print result from main())Sample output:Enter a number:22Enter a number:34Enter a number:21Enter a number:35Enter a…(IN JAVA) Write a method which does the following: Ask the user to enter a size of array between 2 to 10. Based on the size entered, write a loop which asks the user to fill values into an integer array. Print the array contents using Arrays.toString(). For this integer array, write a logic that returns true if there exists a place to split the array such that the sum of the numbers on one side is equal to the sum of the numbers on the other. Otherwise return false. Examples: If the array is {1, 1, 1, 2, 1} then return true. If the array is {2, 1, 1, 2, 1} then return false If the array is {10, 10} then return true.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. Repeat the second question, but if there are multiple occurrences of the number, your program must return the largest index instead of the small- est.
- Write a static method histogram() that takes an array a[ ] of int values and an integerM as arguments and returns an array of length M whose ith entry is the number oftimes the integer I appeared in the argument array. If the values in a[ ] are allbetween 0 and M–1, the sum of the values in the returned array should be equal toa.length. java programming languageFOR JAVA Write a static method histogram() that takes an array a[ ] of int values and an integer M as arguments and returns an array of length M whose ith entry is the number of times the integer i appeared in the argument array. If the values in a[ ] are all between 0 and M–1, the sum of the values in the returned array should be equal to a.length.1. write a static method that receive as parameter an array of type student and print the names of all students excepted to graduate. The student is expected to graduate if he/she in year 4 and GPA >2. 2. Write a java program that: a. Asks the user to enter the number of the Student, then the data of each Student and store then inside an array of type Student. b. Ask the user to read a value d of type double then displays the name of all the Student who have GPA greater than the value d. c. Call the above method and print the name of student who excepted to graduate.