Q1. A. Write note on "The class path Environment Variable". B. Which are different kinds of source code? Q2. A. How to create an interface? B. Why convert an applet to an application? Q3. A. How to use Media tracker Class. B. How to use string tokenizer class. Q4. A. Explain the overview of UDP messaging. B. Difference between SQL Exception class and SQL Warning class. Q5. A. How to create com object in Java? B. Write short notes on "The properties class" Q6. A. When object is created and destroyed? B. Explain the JDB in depth & command line. C. Write short notes on Web Sites.

1 Answers  

---

How to implement or use the singleton class in java?

3 Answers  

---

I have include a jsp page by using <jsp:include page="/.../xyz.jsp"/> The thing is that the xyz.jsp page has its submit button.When i click on that button the whole main page get refreshed.But i want to refresh only the xyz.jsp page.How could i achive it so that i can only refresh the xyz.jsp not the main page page?

4 Answers  

---

Explain JSP life cycle?

2 Answers   Accenture,

---

When to use the Collection Classes(HashSet, LinkedHashSet, TreeSet....etc) in real time scenario ?

1 Answers   Cap Gemini,

---

Which java collection class can be used to maintain the entries in the order in which they were last accessed?

0 Answers  

---

waht are architecture of web application?

2 Answers  

---

How to call the m1() method of Base class in below snippet ? class Base { public void m1() { System.out.println("Base m1 "); } public void m2() { System.out.println("Base m1 "); } } ====================== class Derived extends Base { public void m1() { System.out.println("Derived m1"); } public void m3() { System.out.println("Derived m3"); } public static void main(String[] args) { Base ob=new Derived(); ob.m1(); //System.out.println("Hello World!"+ob.m1()); } }

6 Answers   Cap Gemini, TCS,

---

what are callback methods?

3 Answers   iFlex,

---

Hi frnds how to lock an user when he enter wrong credentials more than 3 time using java or j2ee tech take username and password in a bean no need to connect DB and validate give me some sample application code or links its urgent for me thanks in advance

0 Answers   NSN,

---

What are maps interfaces in the java collections? : java collections

0 Answers  

---

Difference b/w >> and >>> ?

1 Answers   Adobe, Infosys,

---