What are Interceptors?

1 Answers  

---

Is string a class?

0 Answers  

---

What is the difference between path and classpath variables?

0 Answers  

---

Is arraylist ordered?

0 Answers  

---

WHAT IS JDK,JVM,CLASS DEFINE ALL?

2 Answers  

---

What is difference between length and length() method in java ?

0 Answers  

---

Can we have try without catch block?

0 Answers  

---

What are unchecked exceptions in java?

0 Answers  

---

Can we declare array without size in java?

0 Answers  

---

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  

---

Write POJO class as a key to hashmap???

2 Answers  

---

What are the types of casting?

0 Answers  

---