tag:blogger.com,1999:blog-3339316202894508517.post6778539089061796581..comments2011-06-01T23:32:46.750-07:00Brian Duffhttp://www.blogger.com/profile/15591692569924908268noreply@blogger.comBlogger9125tag:blogger.com,1999:blog-3339316202894508517.post-47938460654602553792008-09-08T09:51:00.000-07:002008-09-08T09:51:00.000-07:00@mark, that's not the case. There's no way to mutate the _visible field if its value is directly returned from isVisible().Brian Duffhttp://www.blogger.com/profile/15591692569924908268noreply@blogger.comtag:blogger.com,1999:blog-3339316202894508517.post-32206573598072457802008-09-07T18:55:00.000-07:002008-09-07T18:55:00.000-07:00someone suggested simply "return _visible;" this may give an outsider intimate access to a private variable.<BR/><BR/>class Thing {<BR/> private boolean _visible;<BR/><BR/> boolean isVisible() {<BR/> boolean copy = _visible;<BR/> return copy;<BR/> }<BR/>}marknoreply@blogger.comtag:blogger.com,1999:blog-3339316202894508517.post-67358337618847565152008-04-30T05:32:00.000-07:002008-04-30T05:32:00.000-07:00"Remember that the object being referenced in the foreach loop can NEVER be null"<BR/><BR/>>> This is wrong. The non-nullness has nothing to do with the foreach loop as this code proves:<BR/><BR/>for (String s : new String[] { null }) {<BR/> System.out.println(s == null);<BR/>}<BR/><BR/>prints out: truekrizzdewizznoreply@blogger.comtag:blogger.com,1999:blog-3339316202894508517.post-71591532082569632562008-03-18T02:40:00.000-07:002008-03-18T02:40:00.000-07:00This is our new star java developer:<BR/><BR/>Remember that the object being referenced in the foreach loop can NEVER be null:<BR/><BR/>for (Element e : l.getElements())<BR/>{<BR/> if (e == null) continue;<BR/> <BR/> ...<BR/>}<BR/><BR/>WTF?Ianhttp://www.blogger.com/profile/13830563098655127121noreply@blogger.comtag:blogger.com,1999:blog-3339316202894508517.post-65074713993918395722007-11-13T06:25:00.000-08:002007-11-13T06:25:00.000-08:00I consider this a blooper too:<BR/><BR/>if (a little bit complex boolean expression) {<BR/> return true;<BR/>}<BR/>else {<BR/> return false;<BR/>}<BR/>better alternative:<BR/>return (a little bit complex boolean expression);Danielhttp://www.blogger.com/profile/07202802074943648100noreply@blogger.comtag:blogger.com,1999:blog-3339316202894508517.post-32056078140435803642007-10-04T11:00:00.000-07:002007-10-04T11:00:00.000-07:00return visible;Naveedhttp://www.blogger.com/profile/10461737714769173158noreply@blogger.comtag:blogger.com,1999:blog-3339316202894508517.post-28544261127995449382007-08-13T18:50:00.000-07:002007-08-13T18:50:00.000-07:00ugg: which is the long-hand version of the original post.jawild59http://javabargrill.wordpress.comnoreply@blogger.comtag:blogger.com,1999:blog-3339316202894508517.post-42825591928321564502007-08-13T18:06:00.000-07:002007-08-13T18:06:00.000-07:00I have seen:<BR/><BR/>if (_visible == true) {<BR/> return true;<BR/>} else {<BR/> return false;<BR/>}ugghttp://www.blogger.com/profile/08488728158299589517noreply@blogger.comtag:blogger.com,1999:blog-3339316202894508517.post-4980472936874983722007-08-13T16:47:00.000-07:002007-08-13T16:47:00.000-07:00or how about this...<BR/><BR/>if (_visible) {<BR/>&nbsp;&nbsp;return new Boolean(true);<BR/>} else {<BR/>&nbsp;&nbsp;return new Boolean(false);<BR/>}jawild59http://javabargrill.wordpress.comnoreply@blogger.com