Before Object Literals and ARC
NSArray *array = [[NSArray arrayWithObjects:
@"This",
@"is",
@"so",
@"tedious", nil] retain];
NSDictionary *dictionary = [[NSDictionary dictionaryWithObjectsAndKeys:
@"Who would do this?", @"Not me", nil] retain];
NSNumber *number = [[NSNumber numberWithInt: 401] retain];