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

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Java Related Interview Questions

Questions Answers Views Company eMail

How to insert an image or raw data into database?

993

What is the difference between execute, executeQuery, executeUpdate?

1026

What is Apache DBCP API?

1003

What is JDBC Batch Processing and what are it’s benefits?

1017

What is difference between java.util.Date and java.sql.Date?

1109

What are the different types of locking in JDBC?

1009

What is JDBC Statement?

984

What do you understand by DDL and DML statements?

917

What is JDBC RowSet? What are different types of RowSet?

1087

What is JDBC Connection? Explain steps to get Database connection in a simple java program.

1164

How to use JDBC API to call Stored Procedures?

1014

What is the use of setFetchSize() and setMaxRows() methods in Statement?

991

What is the different between ResultSet and RowSet?

1024

What is the limitation of PreparedStatement and how to overcome it?

1141

What are different types of classloaders?

1015

Un-Answered Questions { Java Related }

What are deployment descriptors? How many types of deployment descriptors are available? What are they?

882

Explain the difference between association, aggregation and inheritance relationships.

1084

What do you mean by formatting?

992

What are different types of second level cache?

366

Can we convert stringbuffer to string?

1006

Why do we only use the main method to start a program?

1020

What is the difference between lazy and eager loading in hibernate?

452

How can a gui component handle its own events?

1107

When to use runnable interface vs thread class in java?

971

How properties of a class are mapped to the columns of a database table in hibernate?

535

What is java algorithm?

931

Can we write class inside a class in java?

978

What does this () mean in java?

977

how many types of Inheritance?

1166

What is wrapper class example?

993

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