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

could you run the java program without main method?

6 16126

My interview asked what is dynamic variable in java and where we use them.

IBM,

2 7634

How we store procedure in oralce for callable statements in jdbc

2354

what are the new features of Webservices 1.6 than 1.4.From the interface and implementation aspect4.

2205

"we cannot create an object of interface but we can create a variable of it".diacuss the statement with the help of an example.

2 7750

Can I create any Marker Interface? If yes then how can I use it???

4 11711

Give me some example for getting connection from connection pooling in JBoss Server. Is Connection Pool default in Server or we have to create it? Who can create Connection Pool in a Team. How it will be accessed by the developer code?

TCS,

1 4906

how can we load a file of a user in the database table?

ITC Infotech,

3 6094

java.lang.ClassNotFoundException:oracle.jdbc.driver.OracleDr iver? I get this error at run time.I used oracle10G. I set CLASS PATH:C:\oraclexe\app\oracle\product\10.2.0 \server\jdbc\lib\ojdbc14.jar; I write JDBC PROGRAM like import java.sql.*; class Example { public static void main(String args[]) { try { Class.forName ("oracle.jdbc.driver.OracleDriver"); System.out.println("Driver Loaded"); Connection con=DriverManager.getConnection ("jdbc:oracle:thin:@localhost:1521:xe","system","salmas"); System.out.println("Driver Connected"); Statement st=con.createStatement(); ResultSet rs=st.executeQuery("select * from emp"); while(rs.next()) { System.out.println(rs.getInt(1)); System.out.println(rs.getString(2)); System.out.println(rs.getString(3)); } st.close(); con.close(); } catch(Exception e) { System.out.println(e); } finally { System.out.println("it's finally block executed"); } } }

CTS,

6 25178

Possible ways for debugging java ,javascript,jsp and servlet. Can we use System.out.println debugging java.

2 5679

please send code example of inner classes?

2 5553

how team leaders assign work for the team member like through papers,word document

TCS,

1 5909

what is the use of clone method? why user cant overwrite in sub class without its proper defination.

TCS,

2 6357

what is object deep copy and shallow copy and why it is required?

2 9022

what is the differencees between work manager and executequeue?

iFlex,

2 13618

Un-Answered Questions { Java Related }

Is set ordered?

998

Can we have try block without catch block?

1045

What is a jms session?

991

What is the difference between personalization and customization?

934

How can I use the JDBC API to access a desktop database like Microsoft Access over the network?

1037

What are internal and external variables?

980

Explain about join() method?

992

What are the advantages of hibernate framework?

386

Can we use string in the switch case?

1061

What is the difference between jdbc and hibernate?

459

How can we enable promotion engine logs?

996

What are the new features in java 8?

1043

What is class forname?

1047

Name some important annotations used for Hibernate mapping?

346

What is the functionability stubs and skeletons?

1176

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