print "Found: $obj->{$j}->{rxABC}\n";

##</code><code>##

print "Found: $obj->{$j}{rxABC}\n";

##</code><code>##

$obj->{$j}{rxABC} = ['a', 'b', 'c'];

##</code><code>##

print "Found: ", join( ' ',  @{ $obj->{$j}{rxABC} } ), "\n";

##</code><code>##

print "Found: @{$obj->{$j}{rxABC}}\n";