commons-file/src/main/java/info/monitorenter/util/StringUtil.java
public static final String arrayToString(final Object isArr) {
    String result = StringUtil.arrayToString(isArr, ",");
    return result;
  }
public static final String arrayToString(final Object isArr) {
    String result = StringUtil.arrayToString(isArr, ",");
    return result;
  }
If the given Object is no Array, it's toString - method is invoked.
Primitive type - Arrays and Object - Arrays are introspected using
java.lang.reflect.Array. Convention for creation fo String -
representation: <p>

@see info.monitorenter.util.StringUtil#arrayToString(Object, String)

@param isArr
The Array to represent as String.

@return a String-representation of the Object.