Join an Array in Objective-C Join an Array in Objective-C objective-c objective-c

Join an Array in Objective-C


NSArray  *array1 = [NSArray arrayWithObjects:@"1", @"2", @"3", nil];NSString *joinedString = [array1 componentsJoinedByString:@","];

componentsJoinedByString: will join the components in the array by the specified string and return a string representation of the array.


The method you are looking for is componentsJoinedByString.

NSArray  *a = [NSArray arrayWithObjects:@"1", @"2", @"3", nil];//returns a pointer to NSArrayNSString *b = [a componentsJoinedByString:@","];//returns a pointer to NSStringNSLog(@"%@", b); // Will output 1,2,3


NSArray class reference:

NSArray *pathArray = [NSArray arrayWithObjects:@"here",    @"be", @"dragons", nil];NSLog(@"%@",    [pathArray componentsJoinedByString:@" "]);