Define 'weak' keyword?

816

---

Define 'strong' keyword?

800

---

How nsoperationque works?

805

---

Define autorealease pool?

836

---

What is the first responder?

782

---

What is the significance of autorelease?

801

---

Define cocoa?

799

---

What is the 'implementation'?

776

---

What is the meaning of 'synthesize' keyword?

751

---

Define 'retain' keyword?

823

---

Explain how to hide images in ios?

840

---

Differentiate between release and pool drain?

851

---

How to parse json?

874

---

What manual memory management?

798

---

Explain how to delete images in ios?

857

---