Answer Posted / niranjanravi

Iterator provides a general purpose standardised way of
accessing elements one at a time.It has 3 methods
next()
hasNext()
remove()

What is boolean flag in java?

580

---

What is the use of string and stringbuffer?

553

---

Explain importance of throws keyword in java?

564

---

Can you declare a private method as static?

699

---

How to sort an unsorted array in java?

612

---

---

What is a layout manager and what are different types of layout managers available in java awt?

729

---

What is string made of?

531

---

What is the default size of set in java?

502

---

Is java a compiler?

569

---

How we can declare a static variable?

654

---

how we can create packages in java?

520

---

What happens if we override only equals?

582

---

How to set the permissions to a file in java?

542

---

What is the difference between instanceof and isinstance?

568

---

Explain tree set and its features?

599

---