昨日セッタしか比べなかったので、今日はゲッタ。 #import <Foundation/Foundation.h> @interface Test01 : NSObject @property (nonatomic,retain) id obj; @end @interface Test02 : NSObject @property (retain) id obj; @end int main( int argc, char *argv[]) { id pool = [[NSA</foundation/foundation.h>…