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 12414

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 9759

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

2 6537

How can be define MARKER interfce in java

1 6459

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

4 9358

Can we make a database connection from HTML ?

Aptech, BOB Technologies, Cap Gemini, Wipro,

6 17458

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"); } }

2389

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

Ness Technologies,

3 8236

advantage of thread?

HCL,

3 13365

what is stringBuffer and StringBuilder?

3 7300

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

TCS,

15 40354

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 16693

what is the difference between do get/dopost

9 14427

what is the difference between page and pageContext implicit variables

Yash Technologies,

2 9356

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

Yash Technologies,

1 7406

Un-Answered Questions { Java J2EE }

What is a programming object?

1108

What will be the output of round(3.7) and ceil(3.7)?

1119

What is conversational state?

968

What does the jdbc resultsetmetadata interface?

948

Is there a way to increase the size of an array after its declaration?

1048

What if memory allocation using new fails in C++ how to handle

128

How hashset works internally in java?

1093

What are different ways for authentication of servlet?

1087

Explain the scope of a variable.

1095

What is the difference between compare and compareto in java?

1029

What is double data type?

945

What are the different types of JDBC drivers?

1060

What is the default value of byte datatype in java?

935

What file types you can deploy into websphere?

937

What is jaap?

953

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