Do you know which json framework is supported by ios?

769

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What is a protocol in objective-c programming language?

767

---

Explain app bundle?

835

---

Explain me does ios support multitasking?

791

---

Explain what is a class?

765

---

Explain ios switching applications?

787

---

If any app can run in the background, what about battery life?

766

---

What do you know about home screen of ios?

779

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Does ios supports multi-tasking functionality?

865

---

What is the mean of not running state in ios?

764

---

What are selectors in objective-c?

767

---

Explain what is storyboard?

725

---

Explain the significance of autorelease?

808

---

Explain mutable and immutable types in objective c programming language?

778

---

Explain "private", "protected" and "public"?

727

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