suppose in a class there is a code like this: { Set hs=new Hashset(); hs.add(new Emp("kathy",1000)); hs.add(new Emp("kathy",2000)); } how can u avoid the above code in your class as set won't allow duplicate objects?

3 Answers  

---

What is getclass () getname () in java?

0 Answers  

---

Can we compare two strings in java?

0 Answers  

---

Can we declare the static variables and methods in an abstract class?

0 Answers  

---

Can you run the product development on all operating systems ?

1 Answers  

---

what is d difference between deep cloning and shallow cloning in core java?

3 Answers   Satyam,

---

What does system out println () do?

0 Answers  

---

What is the purpose of the system class in java programming?

0 Answers  

---

What is boolean law?

0 Answers  

---

What is Collections API?

1 Answers  

---

What is meant by inheritance and what are its advantages?

0 Answers  

---

Is there a way to increase the size of an array after its declaration?

0 Answers  

---