●プログラム・リスト●

※MyTestClass.hの内容

#import <Foundation/Foundation.h>

@interface MyTestClass : NSObject {
	NSString* message;
}

+(MyTestClass*)myTestClassWithMessage:(NSString*)str;
-(void)setMessage:(NSString*) str;
-(NSString*)message;
-(void)printMessage;

@end


※MyTestClass.mの内容

#import "MyTestClass.h"

@implementation MyTestClass

+(MyTestClass*)myTestClassWithMessage:(NSString*)str {
	MyTestClass* obj = [[self alloc] init];
	[obj setMessage:str];
	return obj;
}

-(void)setMessage:(NSString*) str {
	message = str;
}

-(NSString*)message {
	return message;
}

-(void)printMessage {
	NSLog(@"%@",message);
}

@end


※main.mの内容

#import <Foundation/Foundation.h>
#import "MyTestClass.h"

int main (int argc, const char * argv[]) {
	id obj = [MyTestClass myTestClassWithMessage:@"This is First Object!!"];
	[obj printMessage];
	
    return 0;
}