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

what is the disadvantages of using DynaActionForm in struts framework?

5 19412

how to make a index.jsp for running the site in internet and find an error for connection with weblogic server and java that give an error invalid object name.and how to maintain session.

1 2308

What is Virtual Host in Weblogic , how to create it & what is the advantage ?

iFlex, TCS,

18 56735

How to set Connection Pool size in Weblogic Server ?

Infosys,

11 39663

what is the difference b/w PUT and POST method to send data to the server

Mind Tree,

5 14711

what s the difference b/w EJB 2.0 and EJB 3.0 technically

Microsoft, Mind Tree, Tech Mahindra,

2 25520

In the first round, there are 30 aptitude and 30 java questions. We are suppose to finish both the papers within 60 minutes. I cleared this round. Next was test for programming skills. In this section, Some 7 n's were asked. 1. What is the difference b/w sleep(1000) and wait(1000) 2. what is the diff b/w static block and static function? 3. Write a program to validate IP address using string tokenizer. 4. Write a program to create singleton class 5. write a function to reverse the string 6. Write a prog to print prime nos upto n. EX: If n=9, It shld print 1,2,3,5,7 7. One program on collections- Write a program to print no. of times a number is repeating in an array. EX- {1,3,1,2,5,7,3,7,34,3,8,3} It should print: 1- 2 times 3- 4 times and so on 7. Write a func to print fibonocci series After this I had technical interview, which went on for. 60 mins or so. There were qn's about multi threading, Exception handling and collection classes. Knowledge about collections was very important for the post I was interviewed for.

Huawei,

1 12349

how can i connect to database in a applet ?

1 5073

when to use abstract class and when to use interface?

Exterro, iGate, IonIdea,

16 59453

what is difference between class and object?

College School Exams Tests, HCL,

43 93735

when,where and how to use abstract class and interface

2 5803

explain oops concepts with examples?

AbhiBus, Beeline, DELL, HCL, Satyam, TCS, VLS, Wipro,

29 205805

how can u create the object with out new operator

2 9176

why the constructor should be used in class,if there is no constructor what will happen?

4 7998

explain the clone method and clonable interface

1 7705

Un-Answered Questions { Java Related }

What do you know about validation plugin ?

1021

What is a constructor overloading in java?

1119

Hi frnd can i any one kindly can post for me portlet,hibernate and spring example application and with flow explantion configuration using Jdeveloper.and related links ar tutorials kindly please send me .its urgent for me .thanks in advance...........else can any one send to kondaiah.goddeti@gmail.com

2256

What is the difference between equals() and == in java?

1030

Is minecraft 1.15 out?

1034

what are the different modes of archival? Explain each mode in two lines each?

992

What do you mean by an interface in java?

1095

Find Best Job Vacancies across the world on Jooble!

126

Can we return resultset in java?

985

What is the difference between break and continue statements?

1115

what is reflection api? How are they implemented?

1097

What is parsing in java?

1024

How to create a base64 decoder in java8?

1126

What is difference between @controller and @restcontroller in spring?

533

What is the resourcebundle class?

998

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