WHAT IS JDK,JVM,CLASS DEFINE ALL?

2 Answers  

---

What is the difference between add() and addElement() method in Vector Class ?

2 Answers   TCS,

---

"we cannot create an object of interface but we can create a variable of it".diacuss the statement with the help of an example.

2 Answers  

---

Can java list be null?

0 Answers  

---

What is the code inside the public void actionPerformed(ActionEvent ae) override method in Applet [ Condition:- you have one TextField and One Button , you have to enter any color name inside the TextField, when you click on Button Your background will change according to your input color name]

2 Answers   IBM,

---

What is Vector?Can you elaborate how Vector is Thread safe?

3 Answers   HCL,

---

Explain the reason behind ending a program with a system.exit(0)?

0 Answers  

---

What is the difference between superclass and subclass?

0 Answers  

---

Is map ordered in java?

0 Answers  

---

What is http client in java?

0 Answers  

---

Why wait(),notify(),notifyAll() methods defined in Object class althought we are using in only threads.

0 Answers   Mphasis,

---

Explain the public class modifier?

0 Answers  

---