Random numbers in arrays

Question

i have been faced with a new problem, i have to generate a random number (between 0-63) of random numbers (between 0-63).
Can i do this all in one array to randomly generate an array containing the random number of elementnts and set each of the elemnt to a random value.
Random x = new Random();
int j= x.nextInt(63);
String [j] numbers;
Random q = new Random();
for(j=0, j<=numbers.length, j++)
   int f= q.nextInt(63);
  numbers[j] =f;
} I had an idea of doing something like the code above can any see a better way to do it.

Answer 1

I am getting this error
java.lang.ArrayIndexOutOfBoundsException: 15
from
numbers[z] = rng.nextInt(63);i think this is because i am randomly calling the method, so it runs through it once but the second time it flags up the error.
void Randm()
                     Random rng = new java.security.SecureRandom();
                int o = rng.nextInt(63);//I hope you know this is zero to 63 exclusive, i.e., it can't return 63
                int [] numbers = new int[o];
                for(int z = 0 ; z <= numbers.length ; z++)
                    numbers[z] = rng.nextInt(63);// again, this will not return 63
                    System.out.println("ran gen "+numbers[z]);
}I think it may be the way i am declaring the array, can anyone shed some light on the situation.