摘要：
retain----retainCount -1; nil----retainCount =0;1Retain,alloc,initintmain(intargc,char*argv[]){ NSAutoreleasePool*pool=[[NSAutoreleasePoolalloc]init]; SomeClass*object=[[SomeClassalloc]init]; NSLog(@"1,object retain count is :%d",[objectretainCount]); [objectretain]; NSLog(@"2,object 阅读全文