int s = arr.size(); float posi = 0.0f; float nega = 0.0f; float zero = 0.0f; for(int i=0; i0){ posi = posi+1; } else if(arr.get(i)<0){ nega = nega+1; } else{ zero = zero+1; }

}
float a =(float) (posi/s);
 System.out.printf("%.6f%n",a);
 float b =(float) (nega/s);
 System.out.printf("%.6f%n",b);
 float c =(float) (zero/s);
 System.out.printf("%.6f%n",c);