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

How to update a resultset programmatically?

1092

What causes the "No suitable driver" error?

1074

Why isn't the java.sql.DriverManager class being found?

1005

How do I retrieve a whole row of data at once, instead of calling an individual ResultSet.getXXX method for each column?

1065

What is the query used to display all tables names in SQL Server (Query analyzer)?

1074

Why can't I invoke the ResultSet methods afterLast and beforeFirst when the method next works?

1225

How can I retrieve a String or other object type without creating a new object each time?

1201

Once I have the Java 2 SDK, Standard Edition, from Sun, what else do I need to connect to a database?

1008

How can I create a custom RowSetMetaData object from scratch?

1013

How does a custom RowSetReader get called from a CachedRowSet?

1098

RowSetInternal caller and returns void. What can I do in the readData method?

984

Can I set up a connection pool with multiple user IDs? The single ID we are forced to use causes problems when debugging the DBMS.

959

password, is stored in as plain text. What can I do to protect my passwords?

976

How do I write Greek ( or other non-ASCII/8859-1 ) characters to a database?

1008

What isolation level is used by the DBMS when inserting, updating and selecting rows from a database?

970

Un-Answered Questions { Java Related }

What is the implementation of destroy method in java. Is it native or java code?

981

What is j2me in mobile computing?

961

any one can explain about policy file rule? when i connect database with applet then ther is no compile time error but the run time error is occureed.i.e access is denied.policy file rule is related to this problem.

2312

What is the difference between the file and randomaccessfile classes?

1110

How many types of transaction are there in hibernate?

370

For each of the following program segments,give a big zero analysis for the running time 1.For (i=0;i

1947

Can a variable be local and static at the same time?

1016

How do I open java console?

932

What is the use of System class?

1173

What is maven in java?

930

What is transaction management in hibernate? How does it work?

478

Is hibernate open source?

362

Is jvm a overhead?

1110

What are apache struts?

928

Describe the concept of message driven bean clustering.

829

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