Answer / ravikiran(aptech mumbai)

persistence is the maintenance of state between a bean and
database consistently

Answer / priyavarzhni

Persistence means Permanent.
(ie) data are stored in the Database.

Explain Connection Pooling?

3 Answers  

---

How hashmap works in java?

0 Answers  

---

public class Garbage { int a=0; public void add() { int c=10+20; System.out.println(c); System.out.println(a); } public static void main(String args[]) { Garbage obj=new Garbage(); System.gc(); System.out.println("Garbage Collected"); obj.add(); } } Above is a code in java used for garbage collection. object obj has been created for the class Garbage and system.gc method is called. Then using that object add method is called.System.gc method if called the obj should be garbage collected?

6 Answers  

---

What does nullpointerexception mean?

0 Answers  

---

Why does my function print none?

0 Answers  

---

---

What does the string method compareto () do?

0 Answers  

---

Hi Friends, Can u give few interview questions which relates ArrayList and Hashmap. I mean how to link ArrayList and HashMap.I know this is not good way of asking questions like this , but i need

1 Answers   Microsoft, Wipro,

---

What are init(), start() methods and whey they are called?

2 Answers  

---

What are the basics of core java?

0 Answers  

---

What does int argc char * argv [] mean?

0 Answers  

---

What is an immutable class? How to create an immutable class?

0 Answers  

---

What is the default value of float and double datatype in java?

0 Answers  

---