Answer / Babeeta Devi

Yes, an ArrayList can be empty. By default, when a new ArrayList is created, it is empty.

which notations are used in evaluation of arithmetic expressions using prefix and postfix forms?

1 Answers  

---

How does a heap sort work?

1 Answers  

---

Describe avl tree or height balanced binary search tree.

1 Answers  

---

How helpful is abstract data type of data structures?

1 Answers  

---

Can you provide some implementation of a dictionary having large number of words?

1 Answers  

---

Can arraylist contain null?

1 Answers  

---

Differentiate between compilers and interpreters.

1 Answers   Tech Mahindra,

---

Which language is best for data structures and algorithms?

1 Answers  

---

Which is the parent class of linkedlist class?

1 Answers  

---

Is array immutable?

1 Answers  

---

What are the differences between b tree and b+ tree?

1 Answers  

---

How does shell sort work?

1 Answers  

---