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 5717

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???

2917

Program to print map of India in java.

2 12511

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.

2611

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

Tech Mahindra,

4 7982

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

Mastek,

2865

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)

3840

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

4754

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

4880

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

3115

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

NIIT,

1 4188

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

1 4628

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 6313

What is CDC?

2 3513

What is Telematics?

2 3312

Un-Answered Questions { Java Code }

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

2997

write a program in java to find the moving average of all prime numbers between 2 and 100.

4044

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

990

Is there any static classes are in java give some examples

2135

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...

3117

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

1500

What is Generic" J2ME architecture?

2239

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

2870

write a java program to create a Frame with three scrolls, change the back ground color of the frame using functions with values of scrolls.

4668

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

3115

In java, why do we set thread priority, when we know that there is no guarantee by which a thread should be execute?

2721

Write Down Steps Using SAX Parser

2641

what are the other loops except for for,while,do while and until?

2851

write a program in java to solve a system of n-variabled simultaneous equations using the guassian elimination method. let the maximum possible value of n be 100. run the program using hypothetical values for a set of 10- variables simultaneous equations. print out the program, the input equation and the results generated by the program.

4789

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{

2355

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