private String arrayToString(Object[] arr) {
StringBuilder sb = new StringBuilder();
- sb.append('{');
+ sb.append('[');
for (int i = 0; i < arr.length; i++) {
if (i != 0)
sb.append(',');
sb.append(arr[i]);
}
- sb.append('}');
+ sb.append(']');
return sb.toString();
}