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

What is the advantage of persistent message delivery compared to nonpersistent delivery?

812

Give an example of using the publish/subscribe model.

861

Can two different jms services talk to each other? For instance, if a and b are two different jms providers, can provider a send messages directly to provider b? If not, then can a subscriber to provider a act as a publisher to provider b?

995

What is a pure relational orm?

353

What is the difference between merge and update?

446

What is the file extension you use for hibernate mapping file?

458

What is a meant by light object mapping?

381

What should sessionfactory be placed so that it can be easily accessed?

339

What do you create a sessionfactory?

333

What is object/relational mapping metadata?

366

What is a meant by medium object mapping?

391

What does an orm solution comprises of?

393

Why hibernate is advantageous over entity beans & jdbc?

438

What are pojos?

414

State the role of sessionfactory interface plays in hibernate.

449

Un-Answered Questions { Java Related }

What must a class do to implement an interface in java programming?

1065

Can a boolean be null java?

983

What is cache in java?

925

Explain the main difference between entity beans and hibernate.

522

What is the difference between replace and replace all?

1029

What are the types of exceptions?

1062

Explain about local interfaces.

1066

Can we learn spring boot without knowing spring? : Spring Boot

396

Is the session factory thread safe?

1176

What is basic syntax?

1046

Which is better jpa or jdbc?

913

What is collection class in java? List down its methods and interfaces.

968

What is cli in spring boot? : Spring Boot

406

What is awt and swing in java?

984

How can you create a session in servlet?

1146

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