Implement the MyStack. (A lot of questions about multi-threading) @protocol Stack -(void)pushObject:(nonnull id)obj; -(nonnull id)popObjext; @property(nonatomic,assign)NSInteger count; @end @interface MyStack : NSObject <Stack> @end @implementation MyStack @end
What languages do you program in
Was ist ARC?
Q: How would you explain protocol-oriented programming ? Q: Can you explain MVVM? Q: Explain what SOLID is?
First round : 1. If you have int array, how you will sum of that in objective c? 2. If you have string containing too many html tags, how you will remove that tags from string? Second round : 1. What is apns 2. why we share data on social site 3. what is gps 4. how to get distance between 2 location 5. knowledge in swift 6. what is delegate 7. diff between json and xml 8. what is storyboard 9. which controller has delegate.
Initialize a UIAlertView
Basic iOS questions, such as: what is a delegate? How do you make network calls? How do you decode the data returned by a network call?
The meeting room problem.
Design an enumerator (e.g. named FBSuperEnumerator) that has two API's: - (id) nextObject; - (NSArray *) allObjects; // all objects remaining which, when given an input array that has content that can be either NSNumbers or NSArray, will expand all arrays embedded inside it. That is, given an input of something like @[@1, @[@2, @[@3, @4]], @[ ], @5], each call to nextObject will display items in the expected order.
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