use Inline Java => <<'END_OF_JAVA_CODE' ;
    class Pod_alu {
        public Pod_alu(){
        }

        public int add(int i, int j){
            return i + j ;
        }
    }
END_OF_JAVA_CODE

my $alu = new Pod_alu() ;
print($alu->add(9, 16) . "\n") ;

if (fork == 0) { exit(0) }
else { wait }

print($alu->add(9, 16) . "\n") ;