Unidentified subject!

[optima]

this program run well in jdb of linux (redhat5.2),but run so bad in sun
soloris 2.6.it change the password ,but dosen't the value I set.
And ,after my several day's test.I can say my program run well with java in
sun os ,soloris ,with the common interactive program .( i wirte a
interactive c program to make test,and  passed  )

Test.jav