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Start your free trialLuis Paulino
Courses Plus Student 1,779 PointsHello, How am I writing the code wrong?
I don't know what I'm missing. What do I need to put in?
NSMutableDictionary *carDict = [[NSMutableDictionary alloc]initWithObjectsAndKeys: @"Honda", @"Make", @"Accord", @"Model", nil];
NSString *myRide= [[NSString alloc]initWithObjectsAndKeys:nil]
1 Answer
David Lin
35,864 PointsNSString isn't initialized with objects and keys, just init:
NSMutableDictionary *carDict = [[NSMutableDictionary alloc]initWithObjectsAndKeys: @"Honda", @"Make", @"Accord", @"Model", nil];
NSString *myRide= [[NSString alloc] init];
Luis Paulino
Courses Plus Student 1,779 PointsLuis Paulino
Courses Plus Student 1,779 PointsOh, thank you for clearing that up for me. Can, I ask why?.
David Lin
35,864 PointsDavid Lin
35,864 PointsLuis, You're welcome. It is because NSString's initializer is set up that way, since it only needs a single value, not a key-value pair like NSDictionary (and NSMutableDictionary). You can also init the dictionaries in the same way, and then append key-value pairs to it later. For example,