> -----Original Message----- > From: Navjot Singh [mailto:[EMAIL PROTECTED] > Sent: Thursday, July 08, 2004 9:46 AM > To: Struts Users Mailing List > Subject: Re: [OT] how to calculate the size of an object > > > hi, > > Thanks for the link but this is very naive way of doing it. I > am leaving > it to the mercy of gc.
Look at some of the other articles.. you'll find some better articles there on how to do it. > > What this method is doing > > 1. run gc() manually (AND hope it wont run automatically again soon.) > 2. free memory > 3. create and object. > 4. free memory > > and now just wish that JVM wont allocate any memory in it's > heap between > steps 2 & 4. so that one can assume that whatsoever output > comes belongs > to my object. I am at something better. > > Jim you are absolutely right, this technique may return a > negative number. > > navjot singh > > > [EMAIL PROTECTED] wrote: > > > > > http://www.google.com/search?hl=en&lr=&ie=UTF-8&q=size+java+object > > > > The first one looks promising. > > > > Dennis > > > > > > > > > > *Navjot Singh <[EMAIL PROTECTED]>* > > > > 07/08/2004 11:57 AM > > Please respond to > > "Struts Users Mailing List" <[EMAIL PROTECTED]> > > > > > > > > To > > Struts Users Mailing List <[EMAIL PROTECTED]> > > cc > > > > Subject > > [OT] how to calculate the size of an object > > > > > > > > > > > > > > > > > > hi, > > > > I use SAX parser to load an LDIF file into memory. Whatsoever data i > > read, i fill into an object. > > > > I need to know *the size of LDIFData object* at runtime. > How to do that? > > > > Well the class structure is something like this > > > > public class LDIFData{ > > ArrayList cards; // collection of Card > > String filename; > > long lastLoadedTime; > > } > > > > public class Card{ > > String name; > > String email > > String mobile; > > } > > > > -- > > regards > > Navjot Singh > > > > When you jump for joy, beware that no-one moves the ground > from beneath > > your feet. -- Stanislaw Lem, "Unkempt Thoughts" > > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > > > > > > -------------------------------------------------------------- > ---------- > > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > For additional commands, e-mail: [EMAIL PROTECTED] > > -- > regards > Navjot Singh > > When you jump for joy, beware that no-one moves the ground > from beneath > your feet. -- Stanislaw Lem, "Unkempt Thoughts" > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
