Java Collection How to - Fill an array with random numbers

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Question

We would like to know how to fill an array with random numbers.

Answer

import java.util.Arrays;
import java.util.Random;
//  ww w.j a  v  a2s  .  c o  m
public class Main {
  private static double[] anArray;

  public static void main(String args[]) {
    anArray = new double[10];
    Random rand = new Random();
    for (int i = 0; i < 10; i++) {
      anArray[i] = rand.nextInt();
    }
    System.out.println(Arrays.toString(anArray));
  }

}

The code above generates the following result.

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