Map with MultipleAnnatation

- (void)viewDidLoad

{

    [super viewDidLoad];

    map.delegate=self;

    map.showsUserLocation=YES;

    [self show];

    [self annonation];

    alertInfoArray=[[NSArray alloc]init];

  

}

- (void)didReceiveMemoryWarning

{

    [super didReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}

-(void)show{

    longatt=[[NSArray alloc]initWithObjects:[NSNumber numberWithFloat:72.87766],[NSNumber numberWithDouble:77.22496],[NSNumber numberWithDouble:78.70467],[NSNumber numberWithDouble:76.27108],[NSNumber numberWithDouble:77.594563], nil];

    lat=[[NSArray alloc]initWithObjects:[NSNumber numberWithFloat:19.07598],[NSNumber numberWithFloat:28.63531],[NSNumber numberWithFloat:10.79048],[NSNumber numberWithFloat:10.85052],[NSNumber numberWithFloat:12.971599], nil];

    title1=[[NSArray alloc]initWithObjects:@"Mumbai",@"Delhi",@"Trichy",@"kerala",@"Bangalore", nil];

    for (int i=0; i<[longatt count]; i++)

    {

    CLLocationCoordinate2D center;

    center.latitude=[[lat objectAtIndex:i]floatValue];

    center.longitude=[[longatt objectAtIndex:i]floatValue];

    MKCoordinateRegion reg;

    reg.center=center;

    [map setRegion:reg];

    }

    

}

-(void)annonation{

    for(int i=0;i<4;i++){

    CLLocationCoordinate2D newcenter;

    newcenter.latitude=[[lat objectAtIndex:i] floatValue];

    newcenter.longitude=[[longatt objectAtIndex:i]floatValue] ;

    MKPointAnnotation *pin=[[MKPointAnnotation alloc ]init];

    //[pin setCoordinate:newcenter];

        pin.coordinate=newcenter;

    pin.title=[title1 objectAtIndex:i];

        

        [map addAnnotation:pin];

    }

    

    

}