Question

Java:

Write a program that prompts the user to enter integers in the range 1 to 50 and counts the occurrences of each integer. The program should also prompt the user for the number of integers that will be entered. As an example, if the user enters 10 integers (10, 20, 10, 30, 40, 49, 20, 10, 25, 10), the program output would be:

10 occurs 4 times

20 occurs 2 times

25 occurs 1 time

30 occurs 1 time

40 occurs 1 time

49 occurs 1 time

Answer 1

import java.util.Scanner;
public class TestCode {
  public static void main(String args[]) {
    int arr[] = new int[50];
    for(int i = 0;i<arr.length;i++){
      arr[i] = 0;
    }

    Scanner scanner = new Scanner(System.in);
    System.out.print("Number of integers that will be enter: ");
    int n = scanner.nextInt();

    System.out.println("Enter "+n+" numbers");
    for(int i = 0;i<n;i++){
      arr[scanner.nextInt()]+=1;
    }

    for(int i = 0;i<arr.length;i++){
      if(arr[i] > 1){
        System.out.println(i+" occurs "+arr[i]+" times");
      }
      else if(arr[i] == 1){
        System.out.println(i+" occurs "+arr[i]+" time");
      }
    }
  }
}

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