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POObjective C methods [make release] issue
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  1. POObjective C methods [make release] issue
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    copied!<p>I'm using the latest xcode. implementation file: SimpleCar.m: </p> <pre><code>#import "SimpleCar.h" @implementation SimpleCar // set methods - (void) setVin: (NSNumber*)newVin { [vin release]; vin = [[NSNumber alloc] init]; vin = newVin; } - (void) setMake: (NSString*)newMake { [make release]; make = [[NSString alloc] initWithString:newMake]; } - (void) setModel: (NSString*)newModel { [model release]; model = [[NSString alloc] initWithString:newModel]; } // convenience method - (void) setMake: (NSString*)newMake andModel: (NSString*)newModel { // Reuse our methods from earlier [self setMake:newMake]; [self setModel:newModel]; } //get methods - (NSString*) make; { return make; } - (NSString*) model;{ return model; } - (NSNumber*) vin;{ return vin; } -(void) dealloc { [vin release]; [make release]; [model release]; [super dealloc]; } @end </code></pre> <p>interface file: SimpleCar.h: </p> <pre><code>#import &lt;Foundation/Foundation.h&gt; @interface SimpleCar : NSObject { NSString* make; NSString* model; NSNumber* vin; } // set methods - (void) setVin: (NSNumber*)newVin; - (void) setMake: (NSString*)newMake; - (void) setModel: (NSString*)newModel; // convenience method - (void) setMake: (NSString*)newMake andModel: (NSString*)newModel; // get methods - (NSString*) make; - (NSString*) model; - (NSNumber*) vin; @end </code></pre> <p>I get an error in the implementation file when I type "[vin release], [model release], [make release]" and I cannot run the program.</p>
 

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