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mira
numbers
1 Answer(s)      4 years and 2 months ago
Posted in : Java Beginners


Write a program that read 15 integers between 0 and 6 and a method to search, displays and returns the number that has the highest occurrence. Prompt the user if the number is not within this range.


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October 26, 2010 at 12:00 PM


Hello Friend,

Try the following code:

import java.util.*;

public class NumberExample {
        public static void searchAndDisplay(int[] arr) {
        ArrayList<Integer> list1 = new ArrayList<Integer>();
        ArrayList<Integer> list2 = new ArrayList<Integer>();
        for (int element : arr) {
            int index = list1.indexOf(element);
            if (index != -1) {
                int newCount = list2.get(index) + 1;
                list2.set(index, newCount);
            } else {
                list1.add(element);
                list2.add(1);
            }
        }
        int maxCount = 0;
        int index = -1;
        for (int i = 0; i < list2.size(); i++) {
            if (maxCount < list2.get(i)) {
                maxCount = list2.get(i);
                index = i;
            }
        }
        System.out.println("Number " + list1.get(index)+ " has highest occurrence i.e " + maxCount);
    }

    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        int[] arr = new int[15];
        System.out.println("Enter 15 integers (0-6):");
        for (int i = 0; i < arr.length; i++) {
            int num = input.nextInt();
            if (num <= 6 && num >= 0) {
                arr[i] = num;
            } else {
                System.out.print("Enter another number: ");
                num = input.nextInt();
            }
        }
        searchAndDisplay(arr);
    }
}

Thanks



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