It would be nice if you browse through the forum,you will find detailed awnser to your question,but still for your reference,if you are newbie to
java then this might 4-5 months or so minimum and if you are familiar with java than this is 1-2 months game.
Thanks and Regards, Anand
SCJP 5.0 310-055 73%, SCWCD 1.4 310-081 78%, IBM DB2 9 Fundamentals 000-730 62%