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

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Java J2EE Interview Questions

Questions Answers Views Company eMail

What do you know about the garbage collector?

1115

what is meant wrapper classes?

1207

What is update method called?

1159

What are the advantages of java over C++?

1201

What is the exact difference in between Unicast and Multicast object? Where will it be used?

1060

What is constructor and virtual function? Can we call a virtual function in a constructor?

1145

What is the functionality of the stub?

1041

Why there are some null interface in JAVA? What does it mean? Give some null interface in JAVA?

1087

What is JFC?

1244

What are the files generated after using IDL to java compiler?

1150

What is meant by distributed application? Why are we using that in our application?

947

Tell some latest versions in JAVA related areas?

984

What is the difference between Grid and Gridbaglayout?

1246

Why java is considered as platform independent?

1005

What do you mean by light weight and heavy weight components?

1018

Un-Answered Questions { Java J2EE }

What method is used to specify a container's layout?

995

What is lazy loading / lazy initialization in hibernate?

528

Why Java doesn’t support multiple inheritance?

1043

When we will take thread dump?

957

What is the difference between dynamic and non-dynamic changes in the console?

1107

What is orphan removal in hibernate?

335

What is the role played by the sessionfactory interface in hibernate?

349

Define ACID Properties?

1029

What is id generator in hibernate?

385

What is use of connection pooling?

963

What is hibernate entitymanagerfactory?

342

What is functional interface in java example?

996

What is thread start?

959

What are the different types of automatic binding in spring?

426

What are the differences between throw and throws?

1073

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