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

855

---

What is dynamic in iOS operating system?

1063

---

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

888

---

What is a struct in iOS operating system?

825

---

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

894

---

Which class will be subclassed in iOS operating system?

856

---

What is view object in iOS operating system?

990

---

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

867

---

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

1055

---

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

850

---

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

871

---

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

866

---

Explain retain counts in iOS operating system?

962

---

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

853

---

how you can delete a smart group created in Xcode?

946

---