Write two overloaded methods that return the average of anarray with the following headers:public static int average(int[] array)public static double average(double[] array)Write a test program that prompts the user to enter 10 double values, invokes thismethod, then displays the average value.
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Write two overloaded methods that return the average of an
array with the following headers:
public static int average(int[] array)
public static double average(double[] array)
Write a test
method, then displays the average value.
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- 1) Write a method that returns the range of an array of integers. The range is the difference between the highest and lowest values in the array. The signature of the method should be as follows. public static int computeRange(int[] values)Part 1: In Java Write a program that uses a 2-D array to store the highest and lowest temperatures for each month of the year. The program should output the average high, average low, and highest and lowest temperatures of the year. Your program must consist of the following methods with their appropriate parameters: a.) getData: This method reads and stores the data in the 2-D array. b.) averageHigh: This method calculates and returns the average high temperature of the year. c.) averageLow: This method calculates and returns the average low temperature of the year. d.) indexHighTemp: This method returns the index of the highest temperature in the array. e.) indexLowTemp: This method returns the index of the lowest temperature in the array. Use the following input: High temp for each month: 30 40 45 60 70 90 89 95 79 90 70 40 Low temp for each month: 10 -10 20 30 50 75 85 79 50 80 30 20RetailItem Class Write a class named Retailltem that holds data about an item in a retail store. The class should have the following fields: • description. The description field references a String object that holds a brief description of the item. • unitsOnHand. The unitsOnHand field is an int variable that holds the number of units currently in inventory. • price. The price field is a double that holds the item's retail price. Write a constructor that accepts arguments for each field, appropriate mutator methods that store values in these fields, and accessor methods that return the values in these fields. Once you have written the class, write a separate program that creates three RetailItem objects and stores the following data in them: Description Units on Hand Price Item #1 Jacket 12 59.95 Irem #2 Designer Jeans 34.95 [rem #3 Shirt 24.95
- 2. The reserve method reserves an array by copying it to a new array. Rewrite the method that reverse the array passed in the argument and returns this array. Write a test program that prompts the user to enter ten numbers, invokes the method to reverse the numbers and displays the numbers.Write the following methodthat tests whether the array has four consecutive numbers with the same value:public static boolean isConsecutiveFour(int[] values)Write a test program that prompts the user to enter a series of integers and displaysit if the series contains four consecutive numbers with the same value. Yourprogram should first prompt the user to enter the input size—i.e., the number ofvalues in the series. Here are sample runs: Enter the number of values: 8↵EnterEnter the values: 3 4 5 5 5 5 4 5↵EnterThe list has consecutive foursEnter the number of values: 9↵EnterEnter the values: 3 4 5 5 6 5 5 4 5↵EnterThe list has no consecutive foursDescription: Write a method that return the average of an array with the following header: public static double average(double[] array); In the main method, 5 double numbers are required to be entered. Input Example: 1.2 1.2 1.3 1.3 1.35 Output Example: The average value is 1.27
- 4. write a method that receives an array and shuffles the array randomlyTASK 1 Write a Java method that returns the index of the smallest element in an array of integers. If the number of such elements is greater than 1, return the smallest index. Use the following header: public static int indexofLargestlestelement(double[] array) Write a test program that prompts the user to enter ten numbers, invokes this method to return the index of the smallest element, and displays the index.In java Write a program that uses a 2-D array to store the highest and lowest temperatures for each month of the year. The program should output the average high, average low, and highest and lowest temperatures of the year. Your program must consist of the following methods with their appropriate parameters:a.) getData: This method reads and stores the data in the 2-D array.b.) averageHigh: This method calculates and returns the average high temperature of the year.c.) averageLow: This method calculates and returns the average low temperature of the year.d.) indexHighTemp: This method returns the index of the highest temperature in the array.e.) indexLowTemp: This method returns the index of the lowest temperature in the array.Use the following input:High temp for each month: 30 40 45 60 70 90 89 95 79 90 70 40Low temp for each month: 10 -10 20 30 50 75 85 79 50 80 30 20
- 1)Write a method that takes an array of ints and returns the sum of all numbers that are even. For example, given an array {3, 4, 6}, you would return 10. 2)For this exercise, you are given an array of integers. Return true if every element in the array is an odd number, otherwise return false. 3) Given an array of strings, return the array in reverse order. For example, given: reverse({"one", "two", "three"}); You would return: {"three", "two", "one"} 4) For this exercise, you need to shift all the elements in the array one space to the right (increase the index of the element by 1). The last element will wrap around and become the new first element. For example, given: moveUp({"first", "second", "third", "fourth"}); You would return: {"fourth", "first", "second", "third"}Code with comments and output screenshot. Thank you!! Write a java method that receives a string containing letters of the English alphabet and then prints the Letters having unique frequencies. Notes: 1) Ignore letter case; Uppercase and lowercase letters are considered the same. 2) Do not use methods from the Arrays class.For Beginners Java: Write a program that ask the user to enter a list of positive scores until the user enters a negative score to terminate the input. You need to store these scores in an array. You can assume the maximum number of scores the user may enter is 50. However, you need to keep track of the actual number of scores entered. Write 2 methods: 1. calculateAverage(): this method takes the list of scores and return the average score. 2. countPerfectScores(): this method takes the list of scores and return the number of perfect scores (100). The main program reads the input and calls these methods and print the results. Please make sure you write a comment line to document what your method does.
