when,where and how to use abstract class and interface

2 Answers  

---

what is overloading and overriding with example?

2 Answers   CMC,

---

How to make object serializable in java?

0 Answers  

---

Is hashset sorted in java?

0 Answers  

---

what is abstract method with example?

6 Answers   Infosys, Virtusa,

---

What is a line separator in java?

0 Answers  

---

How TreeMap sorts the objects inside it?? suppose if have include one employee object and one car object. On what basis it will sort?

5 Answers  

---

How do you escape json?

0 Answers  

---

can any body tell me? does advance java and j2ee both are same.

4 Answers   CTS, Infosys,

---

can we create object for static class in java

14 Answers   IAP Company, IBM, Marlabs, mPortal, TCS,

---

When super keyword is used?

0 Answers  

---

Differentiate between vector and array list.

0 Answers  

---