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 java used for?

0 Answers  

---

What is the loop in java?

0 Answers  

---

Define array. Tell me about 2-D array.

0 Answers   Agilent,

---

Explain method overloading?

0 Answers  

---

What are the types of java?

0 Answers  

---

Features of Java?

4 Answers  

---

What is ResourceBundle class?

1 Answers  

---

What is the difference between serialization and deserialization?

3 Answers   ABC,

---

Is java supports multiple inheritance? explain?

12 Answers   BUET, Inforica,

---

How is java hashmap implemented?

0 Answers  

---

What is a char in java?

0 Answers  

---