I want to persist data of objects for later use. What is the best approach to do so?

0 Answers  

---

What is the difference between static and global variables and also define what are volatile variables?

0 Answers   Flextronics, Hexaware,

---

How GC (Garbage Collector) knows the objects reference is unused.Whether GC removes the unused object Parmanently or it maintains something.

2 Answers  

---

Is empty list java?

0 Answers  

---

define System.out.println(); what is the meaning!

19 Answers   Accenture,

---

How is final different from finally and finalize?

0 Answers  

---

explain System.out.println

107 Answers   Calpine Technologies, Care, Cognizant, CTS, IBM, IBS, LibSys, Oracle, Spiro Solutions, TCS,

---

What is meant by Encapsulation? Can you write a class to explain encapsulation?

8 Answers   Ness Technologies,

---

What is the point of java?

0 Answers  

---

I need some details about an employee. i have only the employee id in my presentation layer(JSP).I entered that ID and click "Show Details" Button. Question is how the JSP pass that id to Controller layer and DAO and what mechanism we are using to retrive data from DB and how the data passed to JSP as a Output. Please explain in detail.

1 Answers   TCS,

---

Can we force garbage collector to run ?

0 Answers   B-Ways TecnoSoft,

---

4.1 Supply contracts (in the form of comments specifying pre- and post conditions) for the enqueue() method of the LinkedQueue class given in the Appendix. (2) 4.2 Let Thing be a class which is capable of cloning objects, and consider the code fragment: Thing thing1 = new Thing(); //(1) Thing thing2 = thing1; //(2) Thing thing3 = (Thing) thing1.clone(); //(3) Explain how the objects thing2 and thing3 differ from each other after execution of the statements. (

0 Answers  

---