aarray is a possibly-null array whose elements are primitives or objects ; arrays of arrays are also valid , in which case aarray is rendered in a nested , recursive fashion . the default array delimiter '' , '' and start/end characters '' '' and '' '' are used , similar to what abstractcollection.tostring does . concode_field_sep String START_CHAR concode_elem_sep String END_CHAR concode_elem_sep String SEPARATOR concode_elem_sep String NULL concode_field_sep boolean isLastItem concode_elem_sep void checkObjectIsArray concode_elem_sep boolean isNonNullArray
String function ( Object arg0 ) { return toString ( arg0 , START_CHAR , END_CHAR , SEPARATOR , NULL ) ; }