Java J2EE Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Core Java (6529)
Advanced Java (552)
Swing (223)
EJB (402)

Servlets (804)
Struts (701)
JDBC (771)
JMS (324)

SunOne (10)
J2EE (485)
Weblogic (694)
Websphere (573)

Java J2EE Interview Questions

Questions Answers Views Company eMail

Are all the required JDBC drivers to establish connectivity to my database part of the JDK?

983

Does the JDBC-ODBC Bridge support multiple concurrent open statements per connection?

1124

How many types of JDBC Drivers are present and what are they?

1182

What is the fastest type of JDBC driver?

1055

There is a method getColumnCount in the JDBC API. Is there a similar method to find the number of rows in a result set?

1036

If I use the JDBC API, do I have to use ODBC underneath?

1036

How can I know when I reach the last record in a table, since JDBC doesn't provide an EOF method?

986

Where can I find info, frameworks and example source for writing a JDBC driver?

928

How can I instantiate and load a new CachedRowSet object from a non-JDBC source?

986

What driver should I use for scalable Oracle JDBC applications?

978

Is possible to open a connection to a database with exclusive mode with JDBC?

961

What are the standard isolation levels defined by JDBC?

1125

How can I write to the log used by DriverManager and JDBC drivers?

999

How can I get or redirect the log used by DriverManager and JDBC drivers?

935

How do I set properties for a JDBC driver and where are the properties stored?

966

Un-Answered Questions { Java J2EE }

Is java hashset ordered?

1108

What is ternary operator?

1002

What is meant by applet in java?

1074

What is boot?properties file in weblogic server?

1092

How does hashmap work in java ?

1050

What is @restcontroller?

431

are there any differences between weblogic and websphere?

891

What is the element?

1049

If a method is declared as protected, where may the method be accessed in java programming?

992

How many types of methods are there?

1050

What is the difference between throw and throws keywords?

1052

Mention the difference between durable and non-durable subscription?

808

Why is java logo a cup of coffee?

1167

What is @joincolumn in hibernate?

402

Why hibernate sessionfactory is thread safe?

342

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