What is bootstrap, extension and system class loader?

1017

---

Can constructors be parameterized?

983

---

Define exceptions?

937

---

Can you explain primordial class loader?

931

---

What's the main difference between arraylist / hashmap and vector / hashtable?

1074

---

What is difference between static and non-static fields of a class?

1096

---

What is the practical implementation of inner classes?

992

---

How do we implement serialization actually?

943

---

What is serialization? How do we implement serialization actually?

973

---

What is unified modeling language (uml)?

932

---

What is the difference between oop and sop?

1394

---

Differentiate between an abstract class and an interface?

992

---

What is a subclass?

1047

---

What is the difference between an error and an exception?

1084

---

Differentiate between a class and a method.

1109

---