Describe the various concepts related to object oriented programming (oop).

999

---

Why char array is favored over string for the storage of passwords?

1022

---

List some important characteristics on jre

1043

---

Differentiate between vector and array list.

1017

---

Explain abstract class in java?

1029

---

What are some characteristics of interference class?

972

---

Give reasons supporting that string is immutable.

909

---

Describe string intern() methodology

1037

---

What do you understand by the term polymorphism?

1029

---

Explain aggregation in java?

943

---

Is it possible to compare various strings with the help of == operator? What are the risks involved?

1040

---

What technique can be employed to compare two strings?

1048

---

enlist some features of jdk.

924

---

Describe method overriding

1084

---

Describe the term diamond problem.

1000

---