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Java J2EE Interview Questions
Questions Answers Views Company eMail

Why transient variables wont participate in serialization?

 2 5108

what is ststic with example

Wipro,

1588

what is purpose of collections.unmodified() method..?

Accenture,

1 10750

what is purpose of writting public static void main(Strind arg[]) in java..?

ITC Infotech,

4 6130

What is the code inside the public void actionPerformed(ActionEvent ae) override method in Applet [ Condition:- you have one TextField and One Button , you have to enter any color name inside the TextField, when you click on Button Your background will change according to your input color name]

IBM,

2 9884

how to identify duplicate values in arraylist

TCS,

2 4405

Different between Struts and Spring? or Why use Spring, if you are already using Struts?

HP,

3 4799

Does Java pass arguments by value or reference?

HeadStrong,

5 7754

Difference between JRE and JVM?

HeadStrong, Infotech,

3 6111

Will it be called overriding if I do not change the parameters or return type, instead throw a different exception in the method signature.

HeadStrong,

4 6594

How will the struts know which action class to call when you submit a form?

HeadStrong,

6 7482

If I define a method in JSP scriplet <%..%>, where will it go after translation into a servlet?

HeadStrong,

8 18804

Why use a datasource when you can directly specify a connection details? (in a J2EE application)

 1 3446

Can we have more than one action servlet?

HP,

7 11891

what is the difference between through and throws?

HCL,

2 5690

Un-Answered Questions { Java J2EE }

What is io stream in java?

509

Explain about collection interface in java?

538

How to compare two strings in java program?

667

What is default admin port?

488

What does g mean in regex?

558




What is the full form of jpeg?

511

What are the three best choices for a development environment?

593

How many action classes can be used in struts application?

502

Which is the class in java?

510

State the role of sessionfactory interface plays in hibernate.

128

What is javafx java?

518

How is security handled in the weblogic j2ee connector architecture? : BEA Weblogic

495

There is a method getColumnCount in the JDBC API. Is there a similar method to find the number of rows in a result set?

612

Explain the meaning of java applet.

595

What is cluster in weblogic?

490

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