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 many packages are available in jdbc api?

961

Result set’s index starts with 0 or 1?

1050

What is database connection pooling? Advantages of using a connection pool?

1060

explain about special characters?

975

What do you mean by metadata and why we are using it?

1025

What are the new features available in jdbc 4.0?

960

What is a jdbc driver and how many jdbc drivers are available?

1054

How many rowset are available in jdbc?

1116

What are the jdbc statements?

975

Which interface handles transaction management in jdbc?

1114

What is the difference between setmaxrows(int) and setfetchsize(int)?

1059

Why are we using blob datatypes in jdbc?

1087

What is resultset?

996

What is the meaning of connection?

971

How many locking systems are there in jdbc?

1027

Un-Answered Questions { Java Related }

Why spring controller is singleton?

409

What is device controller?

1059

What is a java proxy?

968

An instance of stateful session ejb when accessed simultaneously from more than one clients on same vm results in remoteexception or ejbexception. In case the client is a servlet thread, which of the techniques can be used to avoid remoteexception/ejbexception?

985

What are 4 drivers available in JDBC? At what situation are four of the drivers used?

961

What is DML?

1001

What is autoboxing and unboxing?

1005

What is bidirectional mapping in hibernate?

451

Why application context is used in spring?

460

How to display all the prime numbers between 1 and 100

1015

why we should override only no-agrs init() method.

1132

What is commit in hibernate?

367

What is a model in spring boot? : Spring Boot

528

Is spring boot a framework? : Spring Boot

422

What is the purpose of dispatcher result type?

962

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