Create integer array with Array.newInstance : Array « Reflection « Java Tutorial

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2. Reflection
3. Array

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import static java.lang.System.out;

import java.lang.reflect.Array;

public class ArrayTrouble {
  public static void main(String... args) {
    Object o = Array.newInstance(int.class, 0);
    int[] i = (int[]) o;
    int[] j = new int[0];
    out.format("i.length = %d, j.length = %d, args.length = %d%n", i.length,
        j.length, args.length);
    Array.getInt(o, 0); // ArrayIndexOutOfBoundsException
  }
}