http://stackoverflow.com/questions/18083481/how-to-println-elements-of-an-array-of-a-primitive-datatype/18083811#18083811

Arrs.java

import java.util.Arrays;

public class Arrs {
  public static void main(String[] args) {
    int[] is = {1, 2};
    printit(is);
    printit(args);
  }

  private static void printit(Object... os) {
    System.out.println("Object[]: " + Arrays.toString(os));
  }
  
  private static void printit(int... is) {
    System.out.println("int[]: " + Arrays.toString(is));
  }
}