Define 'weak' keyword?

819

---

Define 'strong' keyword?

806

---

How nsoperationque works?

809

---

Define autorealease pool?

844

---

What is the first responder?

788

---

What is the significance of autorelease?

803

---

Define cocoa?

802

---

What is the 'implementation'?

779

---

What is the meaning of 'synthesize' keyword?

752

---

Define 'retain' keyword?

827

---

Explain how to hide images in ios?

844

---

Differentiate between release and pool drain?

859

---

How to parse json?

877

---

What manual memory management?

803

---

Explain how to delete images in ios?

861

---