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 5694

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???

2910

Program to print map of India in java.

2 12495

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.

2606

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

Tech Mahindra,

4 7940

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

Mastek,

2854

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)

3821

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

4744

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

4865

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

3109

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

NIIT,

1 4170

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

1 4613

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 6296

What is CDC?

2 3494

What is Telematics?

2 3280

Un-Answered Questions { Java Code }

How to create Date method to set the date in Ms Access

2303

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.

4660

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

2845

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

1482

Explain MIDlet Life cycle?

2769

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.

4771

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

3109

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 .........

2418

What is Generic" J2ME architecture?

2231

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

2989

Write Down Steps Using SAX Parser

2620

How can I create connection two blue-tooth mobile in j2me. please urgent

2373

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

979

3821

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

2854

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