Re: Memory management question (passing objects to method)
Re: Memory management question (passing objects to method)
- Subject: Re: Memory management question (passing objects to method)
- From: Serge Meynard <email@hidden>
- Date: Tue, 01 Mar 2005 02:56:26 -0500
It's essential to understand proper memory management if you're going
to use Objective-C. The good news is, it's really quite simple.
Apple's relevant documentation is at
http://developer.apple.com/documentation/Cocoa/Conceptual/ObjectiveC/
index.html. Look for the section called "Object Ownership".
Here are a few older links that might be a bit clearer than Apple's doc:
http://www.stepwise.com/Articles/Technical/2001-03-11.01.html
http://www.stepwise.com/Articles/Technical/HoldMe.html
http://www.stepwise.com/Articles/Technical/MemoryManagement.html
http://www.macdevcenter.com/lpt/a//mac/2001/07/27/cocoa.html
Serge
On Mar 1, 2005, at 01:09, email@hidden wrote:
I have a question about memory management and passing objects created
in one method to another method. When/where do I release these
objects? Example, if you will...
- (void)doSomething
{
NSString* test = @"test";
[self doSomethingElse:test];
}
- (void)doSomethingElse:(NSString*)test
{
NSLog(@"%@", test);
}
Now, these are my questions, and I apologize if they're rather basic,
I tried searching for an answer and didn't really find one. When
"test" is passed to doSomethingElse, should I retain it in
doSomethingElse, and then release it before the method ends? Or
should I release it in doSomething after it is passed to
doSomethingElse, retain it in doSomethingElse and release it when
doSomethingElse ends?
I'm curious about this because I don't know, and I want to make sure I
practice good memory management. Thanks for any and all help. Feel
free to link to me past posts/articles that have already answered
this.
James
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