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

J2SE Code (35)
J2EE Code (22)
J2ME Code (27)

Java Code Interview Questions

Questions Answers Views Company eMail

Is it possible to define marker interface in java.If possible then how to define user defined marker interface?

1 4725

Bubble Sort. java thereafter the user will be asked to inpout the size of the list,sort the list in ascending order and display the sorted list in a horizontal manner???

2501

Program to print map of India in java.

2 11493

A game that has five levels of play has the score for each level stored in an array. You are to write a program that goes through that array and finds: a) the minimum score, and the level at which it occurred b) the maximum score, and the level at which it occurred c)the average score for all five levels The score data you must use for this program are as follows: Game Level Score 1 450 2 316 3 148 Stack implementations is mandatory.

2104

is public static void main() work in java?is "String arg[]" needed as argument?

Tech Mahindra,

4 6258

Can we change the validator-rules.xml for our own validations in struts??

Mastek,

2328

exception org.apache.jasper.JasperException: java.lang.NullPointerException org.apache.jasper.servlet.JspServletWrapper.handleJs pException(JspServletWrapper.java:491) org.apache.jasper.servlet.JspServletWrapper.service( JspServletWrapper.java:419) org.apache.jasper.servlet.JspServlet.serviceJspFile( JspServlet.java:313) org.apache.jasper.servlet.JspServlet.service(JspServ let.java:260) javax.servlet.http.HttpServlet.service(HttpServlet.j ava:717) root cause java.lang.NullPointerException org.apache.struts.taglib.TagUtils.retrieveMessageRes ources(TagUtils.java:1175) org.apache.struts.taglib.TagUtils.message(TagUtils.j ava:1038) org.apache.struts.taglib.bean.MessageTag.doStartTag( MessageTag.java:224) org.apache.jsp.register_jsp._jspx_meth_bean_005fmess age_005f0(register_jsp.java:138) org.apache.jsp.register_jsp._jspService(register_jsp .java:94) org.apache.jasper.runtime.HttpJspBase.service(HttpJs pBase.java:70) javax.servlet.http.HttpServlet.service(HttpServlet.j ava:717) org.apache.jasper.servlet.JspServletWrapper.service( JspServletWrapper.java:377) org.apache.jasper.servlet.JspServlet.serviceJspFile( JspServlet.java:313) org.apache.jasper.servlet.JspServlet.service(JspServ let.java:260) javax.servlet.http.HttpServlet.service(HttpServlet.j ava:717)

3367

design an on-line bus reservation application using html jsp servlet and jdbc. also implement session management and cookies

4305

an on-line examination application using html jsp servlet and jdbc. including session management and cookies

4453

write a c program which takes 20 numbers in an array as input from user and rearrange them in two different array defining even or odd

2581

code inside filter to restrict users to access a servlet component .

NIIT,

1 3458

does anyone know the code to display a triangle using a applet?

1 3729

Design a program using one-dimensional array that determines the highest value among the eight input values from a user. Display the difference of each value from the highest to the lowest.

RoboSoft,

1 5449

What is CDC?

2 2550

What is Telematics?

2 2365

Un-Answered Questions { Java Code }

i am trying to intigrate ejb and hibernate ,from session facade i am callind dao implemented through hibernate,i am getting a ClassDefNotFoundException for this org/hibernate/Session i ve set the class path at build path and in setEnv in weblogic still .........

1958

an on-line examination application using html jsp servlet and jdbc. including session management and cookies

4453

Is there any static classes are in java give some examples

1666

How to get one hasmap value in another hashmap ,only value not key

917

How to run the Result Intemation System project in java for collage student in which result of internal exam marks send on parents mobile using SMS? what software required to run this project? please reply immediately...

2583

3367

Explain MIDlet Life cycle?

2345

Can we change the validator-rules.xml for our own validations in struts??

2328

Do you think about CMM(Capability Maturity Model) process?

580

plz send code for feature rich resume builder in j2ee frontend:J2EE Backend: DB2 Express

3168

Bubble Sort. java thereafter the user will be asked to inpout the size of the list,sort the list in ascending order and display the sorted list in a horizontal manner???

2501

What is Generic" J2ME architecture?

1827

plz send code for Ecorps in j2ee frontend:J2EE Backend: DB2 Express

2385

I am trying to pass the string firstName from a Servlet called SampleServet. I am running this on eclipse and it tells me that "the value for annotation attribute must be a constant expression. I don't understand why it is giving me this error. @PersonAnnotation(name = SampleServlet.firstName) public class AnnotationClass{

1798

hai, i want to know how the connectionpool manager work in the java or netbeans.Anybody having the exact code plz give to me i have no idea about that so help me plz

2589

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