how to get a object's size in memory

hi! i want to get a object's size in the memory ,can you help me ?
[74 byte] By [fentaa] at [2007-10-2 17:07:47]
# 1
One way of doing that is http://www.javaspecialists.co.za/archive/newsletter.do?issue=078&locale=en_USPete
pm_kirkhama at 2007-7-13 18:22:31 > top of Java-index,Other Topics,Patterns & OO Design...
# 2
thank u! i ' ll read it
fentaa at 2007-7-13 18:22:31 > top of Java-index,Other Topics,Patterns & OO Design...