/* * * This program checks an array of integers to see if there is duplicate integers adjacent to * one another in the array * For example, if the array contains: * 1, 2, 3, 4, 4, 6, 7, 8, 9, 42 * * then the number 4 occurs at index 3 and index 4 in the array therefore adjacent duplicate is true * * If the array contains: * 2, 1, 3, 4, 5, 4, 7, 4, 9, 4 * * then even though the number 4 occurs multiple times, no occurrence of 4 is adjacent to another occurrence */ public class AdjacentDupes { /* * */ public static boolean adjacentDupes(int[] arr) { //-----------Start below here. To do: approximate lines of code = 5 // Loop through the array arr, checking for duplicates // adjacent to each other. if duplicates occur, return true, else return false //Hint: in the for loop, make sure you use a loop condition something like // i < arr.length - 1 rather than i < arr.length Why?? //Hint 2: as soon as you find a duplicate you can immediately return true // Loop through array, checking for duplicates // next to each other. //-----------------End here. Please do not remove this comment. Reminder: no changes outside the todo regions. } public static void main(String[] args) { int[] arr1 = {1, 2, 3, 4, 4, 6, 7, 8, 9, 42}; int[] arr2 = {2, 1, 3, 4, 5, 4, 7, 4, 9, 4}; // Check if array 1 has adjacent dupes. if (adjacentDupes(arr1)) { System.out.println("Array contains adjacent duplicates."); } else { System.out.println("Array does NOT contain adjacent duplicates."); } System.out.println("Expected: Array contains adjacent duplicates."); // Check if array 2 has adjacent dupes. if (adjacentDupes(arr2)) { System.out.println("Array contains adjacent duplicates."); } else { System.out.println("Array does NOT contain adjacent duplicates." ); } System.out.println("Expected: Array does NOT contain adjacent duplicates."); } }