is it mandatory to deaclare all variables public static fianl in interfaces?if i declare like in the below program, public interface A { public static final int I=0; int j=0; } in interface A,what is the difference between I,j?

2 Answers  

---

What is the difference between an inner class and a sub-class?

0 Answers  

---

Difference between notify() method and notifyall() method in java?

0 Answers  

---

What restrictions are placed on method overriding in java programming?

0 Answers  

---

What is a method ?

6 Answers  

---

---

What are the methods available in a class?

0 Answers  

---

Every class extends object but why it is not possible for every object to invoke clone() method. ideally protected methods should be accessible from sub classes. isn't it?

2 Answers  

---

What is palindrome in java?

0 Answers  

---

Explain how to force the garbage collection in java.

0 Answers  

---

What is finally and finalize in java?

0 Answers  

---

How to retrieve data from database in java using arraylist?

0 Answers  

---

What is the purpose of an interface?

0 Answers  

---