ios 局部变量，全局变量，成员变量

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int gCounter;//全局变量



@interface MyObject : NSObject {

int counter;//成员变量

}

@end

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@implementation MyObject

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NSString *str=@"";//????

- (void) print {

int cter = 0;//局部变量

NSLog(@"%i", cter );

}

@end