NSString *simpleString = @"This is a simple string";

NSString *anotherString = [NSString stringWithString:@"This is another simple string"];

NSString *oneMorestring = [[NSString alloc] initWithString:@"One more!"];

NSMutableString *mutableOne = [NSMutableString stringWithString:@"Mutable String"];

NSMutableString *anotherMutableOne = [[NSMutableString alloc] initWithString:@"A retained one"];

NSMutableString *thirdMutableOne =[NSMutableString stringWithString:simpleString];