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

Java J2EE (14736)
J2ME (151)
Java Related AllOther (507)

Java Related Interview Questions

Questions Answers Views Company eMail

1) which method of the RequestDispatcher cannot be called once the output is sent to the client? a. forward b. include c. both a&b 2) which interface should an object implement to get notified of changes to the list of active sessions in a web application? a. HttpSessionListener b. HttpSessionActivationListener c. HttpSessionAttributeLIstener 3) A user can select multiple locations from a list box on an HTML form, which of the following methods can be used to retrieve all the selected location? a. getParameter() b. getParameterValues() c. getParamValues() 4) which of the following methods should be used to send character text to the client? a. ServletResponse.getWriter() b. ServletResponse.getOutputStream() c. ServletResponse.getOut() 5) which implicit object is always available in a JSP page? a. exception b. session c. out 6) which inclusion mechanism doesn't include the source of the page, rather the output of the page. a. include directive b. jsp:include action c. Bothe a& b 7) which attribute of the page controls whether a page participates in session or not? a. session-allowed b. session c. isSession

1 4300

can we change the order of parameters in execute()?

Polaris, Serco,

4 9849

why do we use logic tag library in struts?

Polaris,

1 5472

can we change the location of struts-config.xml file?

TCS,

2 11260

How many ways are available to ger RequestDispatcher object?

Polaris,

4 17479

WHAT IS MARKER INTERFACE,AND NO METHODS IS NOT THERE ON THAT INTERFACE THEN WHY WE USED IN JAVA?

L&T,

3 7774

Is it possible to do method overloading and overriding at a time

L&T,

3 9389

what happen if we set JDBC string to NULL?

Sapient,

3411

why java uses class level type casting ?

2675

how a programmer confirms that the data submitted has been succesfully inserted into the database(either oracle or my sql).. How a programmer confirm if there is any problem with the program he wrote for insertion... ANS:--- >executeupdate method is having boolean return type, if anything goes wrong in data insertion or data updation, it would return false. otherwise, if it successfully inserts data into the database, it would return true NOW HOW TO I CHECK IN MY DURING EXECUTION WHETHER IT RETURNS TRUE OR FALSE... WELL IT WILL DISPLAY ANY MESSAGE OR NOT

Google,

2453

where can we get jAVA project orientation traing in HYDERABD

2037

java program with complete 4 oops concepts implemented example

Infosys, NIIT,

3168

servlet life cycle?

eMids, Wipro,

4 8135

any one can explain about policy file rule? when i connect database with applet then ther is no compile time error but the run time error is occureed.i.e access is denied.policy file rule is related to this problem.

2326

what is platform independence in java?

CSC, HSBC,

5 8789

Un-Answered Questions { Java Related }

Difference between ‘>>’ and ‘>>>’ operators in java?

1145

What is the enumerator of the java collection framework? : java collections

1060

What is jdbc architecture?

1060

FOR EXAMPLE WE R HAVING TWO LIST ELEMENTS ..BOTH LISTS CONTAINS ID,NAME,PLACE ..I NEED TO COMPARE BOTH IDS IN TWO LISTS,IF ID'S R SAME MEANS WE HAVE ADD THE DETAILS(LIKE NAME,PLACE) TO MAP...HOW IS POSSIBLE ?CAN ANY ONE SUGGEST?

3508

What is server in j2ee?

901

What is the concept of connection pooling?

1044

What is difference between save and update in hibernate?

414

What are the steps to send and receive JMS message ?

1398

Explain the functioning of Stub?

1063

What is the difference between empty default namespace and root namespace?

1161

What is the use of sessionfactory?

394

What is java technology stack?

925

When should I use a custom login module versus a TAI to assert identity information?

897

What is Hibernate Framework?

402

How to sort array in descending order in java?

938

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