Write a method reverse that takes an array as an argument and returns a new array with the elements in reversed order. Do not modify the array. Only edit code in the /* Your code code goes here */ portions.
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- Java Programming Class Car Attributes (all private): vin: String (5 digits) make: String model: String year: int price: double Methods: Parameterized constructor for initializing a new Car instance Getters for all attributes toString method to display a Car's attributes Executable Class Create an array of at least ten Car objects. Be sure to use many with identical last years and different prices. Create an ArrayList from the array. Shuffle the ArrayList. Sort the ArrayList first by year and then by price. See page 790-791. Using the forEach method and a lambda expression, print all cars sorted as above. Create a LinkedList from the ArrayList. Create an iterator capable of cycling both forward and backward through the LinkedList. Iterate forward through the entire LinkedList but without generating any output. Then iterate backwards through the LinkedList to print the cars data.PYTHON import randomrandom.seed = 1 class array: def __init__(self, valuelist): self.__atos = valuelist.copy() # this variable is the array that holds the data def additem(self, value): # adds a item to the array def printarray(self): # prints the self.atos def __contains__(self, key): # To test the binary search change the "__linearsearch" to "__binsearch" return self.__linearsearch(key) def __linearsearch(self, key): # Implements the linear search to find an item in the array ####################################################################### # Remove the pass and write code ####################################################################### pass ####################################################################### # End code ####################################################################### def __binsearch(self, key): temp = sorted(self.atos)…Enhanced selection sort SelectionSortDemo.java package chapter7; /** This program demonstrates the selectionSort method in the ArrayTools class. */ public class SelectionSortDemo { public static void main(String[] arg) { int[] values = {5, 7, 2, 8, 9, 1}; // Display the unsorted array. System.out.println("The unsorted values are:"); for (int i = 0; i < values.length; i++) System.out.print(values[i] + " "); System.out.println(); // Sort the array. selectionSort(values); // Display the sorted array. System.out.println("The sorted values are:"); for (int i = 0; i < values.length; i++) System.out.print(values[i] + " "); System.out.println(); } /** The selectionSort method performs a selection sort on an int array. The array is sorted in ascending order. @param array The array to sort. */ public static void selectionSort(int[] array) { int startScan, index, minIndex, minValue; for (startScan = 0; startScan < (array.length-1); startScan++) { minIndex = startScan; minValue =…
- Return an ArrayList containing the largest and smallest integer inan array. If the array is empty, return the largest andsmallest as 0. languages java please help me thanksFor the numbers class add the following methods: A copy constructor. Overloaded == operator: This will return true if arrays in two different Numbers objects have the same sum of arrays, false otherwise. Overloaded < operator: Returns true if the sum of the numbers in the array of one Numbers object is less than the sum of the numbers in the array of the second Numbers object. For example, a < b is true if the numbers in a's array have a smaller sum than the numbers in b's array. Returns false otherwise. Overloaded postfix ++ operator: Increments every element in the object's array by 1. Overloaded [ ] operator: allows updating the appropriate element of the Numbers object's array. The method does nothing should terminate the program (calling exit) (note: updated on 11/6) if the user specifies an invalid index. Overloaded << operator: allows a Numbers object to be used with cout. For example: cout << a; This will cause the contents of the object's…• 12. Complete the following code to make a copy of the first half of an array of strings. CopyHalf.java 1 public class CopyHalf 2 { 3 /** Copies the first half of an array. If the length is odd, don't copy the middle value. @param values an array @return a copy of the first half of values */ public static ... copyHalf (String[] values) { 10 11 12 13 } CodeCheck Reset
- True or False? In Java, an array is a primitive type that need not be instantiated.Enhanced selection sort algorithm SelectionSortDemo.java package chapter7; /** This program demonstrates the selectionSort method in the ArrayTools class. */ public class SelectionSortDemo { public static void main(String[] arg) { int[] values = {5, 7, 2, 8, 9, 1}; // Display the unsorted array. System.out.println("The unsorted values are:"); for (int i = 0; i < values.length; i++) System.out.print(values[i] + " "); System.out.println(); // Sort the array. selectionSort(values); // Display the sorted array. System.out.println("The sorted values are:"); for (int i = 0; i < values.length; i++) System.out.print(values[i] + " "); System.out.println(); } /** The selectionSort method performs a selection sort on an int array. The array is sorted in ascending order. @param array The array to sort. */ public static void selectionSort(int[] array) { int startScan, index, minIndex, minValue; for (startScan = 0; startScan < (array.length-1); startScan++) { minIndex = startScan; minValue…Java Programming : At a fun fair, a street vendor is selling different colours of balloons. He sells N number of different colours of balloons (B[]). The task is to find the colour (odd) of the balloon which is present odd number of times in the bunch of balloons. Note: If there is more than one colour which is odd in number, then the first colour in the array which is present odd number of times is displayed. The colours of the balloons can all be either upper case or lower case in the array. If all the inputs are even in number, display the message 'All are even'. Example 1: 7 -> Value of N [r,g,b,b,g,y,y] -> B[] Elements B[0] to B[N-1], where each input element is separated by new line. Output: r -> [r,g,b,b,g,y.y] →> 'r' colour balloon is present odd number of times in the bunch. Explanation: From the input array above: r: 1 balloon g: 2 balloons b: 2 balloons y: 2 balloons Hence, r is only the balloon which is odd in number.
- public class ArrayCommonOperations{ public static void main(String [] args) { //*** Task #1: Define and instantiate an array of integer numbers, with 10 elements //*** Task #2: Fill in the array with integer numbers from 1 to 100 //*** Task #3: define another array, named temp, and copy the initial array in it. //* This allows to preserve the original array //*** Task #4: Define the variables you need to calculate the following values, //* and initialize them with appropriate values. //*** Task #5: Print the original array //*** Task #6: Calculate the sum of all values //*** Task #7: Count the number of even values //*** Task #8: Calculate the minimum value in the array //*** Task #9: Calculate the maximum value in the array //*** Task #10: Replace the elements that are divisible by 3, with their value plus 2 //*** Task #11:…getListRowIndices Method public static java.util.ArrayList<java.lang.Integer> getListRowIndices(int[][] array, int rowLength) This method returns an ArrayList with the indices of rows of the two-dimensional having a length that corresponds to rowLength. You may only use one auxiliary method. The method should create an ArrayList that is passed to the auxiliary in order to place the indices (if any). If no indices are found, an empty (size of 0) ArrayList will be returned. You can assume the array parameter will not be null and every row of the two-dimensional array has an array with a size of at least 0. Your implementation must be recursive and you may not use any loop construct. Do not use ++ or -- in any recursive call argument. It may lead to an infinite recursion. For example, use index + 1, instead of index++. Parameters: array - rowLength - Returns: ArrayList<Integer>CODE IN JAVA PLEASE SEE THAT THERE SHOULD BE TWO .JAVA FILES ONE WITH CLASS AND OTHER WITH THE MAIN METHOD 3. 2D Array Write a class called TwoDArray that has the following behaviors for an array of ints. getTotal – Accepts a 2-D array as its argument and returns the total of all the values in the array getAverage – Accepts a 2-D array as its argument and returns the average of all the values in the array getRowTotal - Accepts a 2-D array as it first argument and an integer as its second argument. The second argument should be the subscript of a row in the array. The method should return the total of the values in the specified row. getColumnTotal - Accepts a 2-D array as it first argument and an integer as its second argument. The second argument should be the subscript of a column in the array. The method should return the total of the values in the specified column. getHighestInRow - Accepts a 2-D array as it first argument and an integer as its second argument. The second…