iOS iPhone xCode Interview Questions – I
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- How to create custom view?
- Use of IBOutlet and IBAction
- Can 2 tableviews be used in one Viewcontroller? How?
- Can a tableview refer to 2 datasources? How?
- What is the difference between shallow copy and deep copy?
- What are categories? How are these different from extending classes?
- How does push notifications work?
- Mutable Vs Immutable types? ( For example: Array Vs MutableArray )
- What does the keyword atomic signify?
- What does @synthesize do?
- Difference between NSNotification and delegate. When to use them?
- Pros and cons of using 1. Sqllite 2. Plist 3. Xml 4. Core Data
- Difference between view’s bounds and frame.
- What is retainCount?
- What will happen if you create an object, add it to a mutable array and release the object right after that?
- Memory management. Autorelease / release / retain / ARC
- What is adhoc build. How to create and deploy one?
- What is code signing?
- What are the different app states?
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