How can we achieve singleton pattern in iOS?

898

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What is Delegation in iOS?

848

---

Why do we need to use @Synthesize in iOS operating system?

829

---

Is the delegate for a CAAnimation retained in iOS operating system?

913

---

How to represent layer objects in iOS operating system ?

858

---

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

913

---

Is there any garbage collector concept available in iOS?

860

---

How can an operating system improve battery life while running an app in iOS operating system?

851

---

What are layer objects in iOS operating system?

881

---

What is notification in iOS?

920

---

Explain how an autorelease pool works at the runtime level in iOS

985

---

What is sandbox in iOS operating system?

1002

---

What is categories in iOS?

917

---

Explain the correct way to manage Outlets memory in iOS.

837

---

What is difference between synchronous and asynchronous in web request in iOS operating system?

875

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