Implement the following methods: retain, release, auto release in iOS operating system?

808

---

What is dynamic in iOS operating system?

993

---

What is atomic and nonatomic in iOS operating system? What is run loop in iOS ?

843

---

What is a struct in iOS operating system?

776

---

Explain the difference between NSOperationQueue concurrent and non-concurrent in iOS operating system?

861

---

Which class will be subclassed in iOS operating system?

810

---

What is view object in iOS operating system?

929

---

Explain the options and bars available in xcode 4.x workspace window in iOS operating system

831

---

What is the difference between retain & assign in iOS operating system?

1016

---

What is the difference between NSArray and NSMutableArray in iOS operating system?

815

---

What is the purpose of UIWindow object in iOS operating system?

831

---

What is Automatic Reference Counting (ARC) in iOS operating system?

833

---

Explain retain counts in iOS operating system?

917

---

What are all the newly added frameworks iOS 4.3 to iOS 5.0?

800

---

how you can delete a smart group created in Xcode?

910

---