Java J2EE Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Core Java (6529)
Advanced Java (552)
Swing (223)
EJB (402)

Servlets (804)
Struts (701)
JDBC (771)
JMS (324)

SunOne (10)
J2EE (485)
Weblogic (694)
Websphere (573)

Java J2EE Interview Questions

Questions Answers Views Company eMail

difference between forward and sendredirect

Accenture,

6 12687

Write java code to print "Hello how are you" Thread1 should have "Hello" Thread2 should have "how are you" both the threads should start at the same time

Huawei,

4 10031

If there is no implementation of MARKER INTERFACE in java. Then how compiler come to know about specification.

2 6690

How can be define MARKER interfce in java

1 6574

How two different class threads communicate with each other?. send example code.

4 9621

Can we make a database connection from HTML ?

Aptech, BOB Technologies, Cap Gemini, Wipro,

6 17768

public class BatchTest { public static void main(String[] args) { Runtime run = Runtime.getRuntime(); try { Process p = run.exec("cmd start /c D:/test.bat"); System.out.println(p.exitValue()); } catch (Exception e) { e.printStackTrace(); } System.out.println("FINISHED"); } }

2482

what is difference between checked exception & unchecked exception in java?

Ness Technologies,

3 8464

advantage of thread?

HCL,

3 13594

what is stringBuffer and StringBuilder?

3 7486

What is the difference between this() and super()?

TCS,

15 41010

Which of the following can be referenced by a variable? A. The instance variables of a class only B. The methods of a class only C. The instance variables and methods of a class

2 16880

what is the difference between do get/dopost

9 14822

what is the difference between page and pageContext implicit variables

Yash Technologies,

2 9553

how can u apply shallow cloning and deep cloning to create object?

Yash Technologies,

1 7515

Un-Answered Questions { Java J2EE }

i want test pattern of zylog company and some examples also

2858

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

2417

How is declarative handling of exceptions done in struts ?

1001

What is a constructor overloading in java?

1123

Write a program to print count of empty strings in java 8?

1084

Can we return resultset in java?

990

Write a java program to find the route that connects between Red and Green Cells. General Rules for traversal 1. You can traverse from one cell to another vertically, horizontally or diagonally. 2. You cannot traverse through Black cells. 3. There should be only one Red and Green cell and at least one of each should be present. Otherwise the array is invalid. 4. You cannot revisit a cell that you have already traversed. 5. The maze need not be in the same as given in the above example

2659

What is the difference between filters and interceptors ?

1305

What is java string pool?

1076

What is lazy class?

484

What do you mean by an interface in java?

1095

explain different ways of using thread? : Java thread

1079

Differentiate between static and non-static methods in java.

1117

What is the difference between break and continue statements?

1119

Write a program to find the whether a number is an Armstrong number or not?

1095

For More Un-Answered { Java J2EE } Questions Click Here