package MY::PACKAGE;

 # Add the Jar file path to the CLASSPATH environment variable
 BEGIN {
     $ENV{CLASSPATH} .= ":/drive1/myjavaclass.jar";
 }
 
 # Called the Java class(es) that will be used by Perl
 # The DIRECTORY variable should have a location where contents can be
+ write to
 use Inline (
     Java        =>  'STUDY',
     STUDY       =>  ['MyJavaClass'],
     AUTOSTUDY   =>  1,         
     DIRECTORY   => '/drive1/'
 );
 
 # Used to make the PM file available in a CGI environment
 my $q = new CGI();
 
 # Define the new method establishing a connection to the Java class c
+onstructor
 sub new {
     my $class = shift;
 
     my $obj = MY::PACKAGE::MyJavaClass->new();
 
     return $obj;
 }
 
 1;
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Nowhere, the code you posted doesn't use threads