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  1. import java.util.Scanner;
  2.  
  3. public class Main {
  4.  
  5.     public static double hitungRataRata(int[] arr) {
  6.         int total = 0;
  7.         int count = 0;
  8.  
  9.         for (int i = 0; i < arr.length; i++) {
  10.             if (arr[i] >= 0) {
  11.                 total += arr[i];
  12.                 count++;
  13.             }
  14.         }
  15.  
  16.         if (count == 0) return 0;
  17.         return (double) total / count;
  18.     }
  19.  
  20.     public static void main(String[] args) {
  21.         Scanner input = new Scanner(System.in);
  22.  
  23.  
  24.         System.out.print("Masukkan jumlah elemen array: ");
  25.         int n = input.nextInt();
  26.  
  27.         if (n <= 0) {
  28.             System.out.println("Rata-rata: 0");
  29.             return;
  30.         }
  31.  
  32.  
  33.         int[] data = new int[n];
  34.         System.out.println("Masukkan " + n + " bilangan integer:");
  35.         for (int i = 0; i < n; i++) {
  36.             data[i] = input.nextInt();
  37.         }
  38.  
  39.         double rata = hitungRataRata(data);
  40.  
  41.  
  42.         if (rata % 1 == 0)
  43.             System.out.println("Rata-rata: " + (int) rata);
  44.         else
  45.             System.out.println("Rata-rata: " + rata);
  46.     }
  47. }
Success #stdin #stdout 0.15s 56668KB
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Masukkan jumlah elemen array: Rata-rata: 0
https://ideone.com/Nys1QM
language:
Java (HotSpot 12)
created:
12 days ago
visibility:
public

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