thanks a lot of kirinan i wil kip your advices in my mind , i read each day english book to improve my english . you know the problem is i 'm 28 year , i have classmath how are engeners today. it's so dificult to accept that , because i didn't work hard in school now i pay for that. this year i have thought a long time and i wil change my life, my gol is to be a java architect i wil prove for my freind , my family , my teacher that i can be great in life ,