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public class Feld
{
  public static void main (String[] args)
  {
    int [] a = new int [10];
    int cnt=1;

    for(int i = 0; i < a.length; i++)
    {
      int zufallszahl=(int)(Math.random()*10); // nat.Zufallszahl aus dem Intervall [0;9]
      a[i]=zufallszahl;
      System.out.print(a[i] + " ");
    }

    System.out.println("\n\n");

    for(int i = 0; i < a.length; i++)
    {
      for(int j = i+1; j < a.length; j++)
      {
        if(a[j] == -1) continue;
      
        if(a[j] == a[i])
        {
          cnt++;
          a[j] = -1;
        }
      }

      if(a[i] != -1)
              System.out.println(a[i] + ": " + cnt + " mal");
      cnt = 1;
    }
  }
}