Do you know which json framework is supported by ios?

824

---

What is a protocol in objective-c programming language?

829

---

Explain app bundle?

891

---

Explain me does ios support multitasking?

839

---

Explain what is a class?

822

---

Explain ios switching applications?

847

---

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

819

---

What do you know about home screen of ios?

824

---

Does ios supports multi-tasking functionality?

915

---

What is the mean of not running state in ios?

820

---

What are selectors in objective-c?

829

---

Explain what is storyboard?

776

---

Explain the significance of autorelease?

851

---

Explain mutable and immutable types in objective c programming language?

842

---

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

791

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