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 implement relationships in hibernate?

456

How to integrate log4j logging in hibernate application?

380

What is HibernateTemplate class?

406

How transaction management works in Hibernate?

509

How to rollback a JDBC transaction?

1090

How to achieve JDBC Connection Pooling using JDBC DataSource and JNDI in Apache Tomcat Server?

1019

What is the use of JDBC DriverManager class?

1065

What is JDBC Savepoint? How to use it?

1209

What is JDBC Connection isolation levels?

1071

What is JDBC Transaction Management and why do we need it?

1141

What is JDBC API and when do we use it?

1033

What are JDBC Best Practices?

1101

What is “dirty read” in JDBC? Which isolation level prevents dirty read?

1008

How to invoke Oracle Stored Procedure with Database Objects as IN/OUT?

1085

What is CLOB and BLOB datatypes in JDBC?

1275

Un-Answered Questions { Java Related }

How to print an arraylist in java?

1074

What is the purpose of declaring a variable as final?

962

Are arrays immutable in java?

1081

What's the servlet interface?

1077

Can we have multiple spring configuration files?

427

What are the main components of the j2ee application?

916

How do you explain dependency injection?

415

How do I enable jvm?

864

In java what is the difference between sleep() and wait() .

958

Why is a singleton bad?

950

What are data structures in java?

970

What is ear file?

913

How do I provide user credentials for starting weblogic server?

982

What is meant by bytecode?

1019

What is the purpose of @emailvalidator annotation?

1012

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