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

Are the imports checked for validity at compile time? Will the code containing an import such as java.lang.abcd compile?

1119

What is the common usage of serialization?

1170

What is a prefix function.write down a code to compute prefix function.

1070

What are some alternatives to inheritance?

1124

How can you make sure that your singleton class will always return single instance in multi-threaded environment?

1042

Difference between static synchronization vs. Instance synchronization?

1139

Explain numeric promotion?

1121

What is contract between hashcode and equal method?

1065

If you do not want your class to be inherited by any other class. What would you do?

1018

What is java’s garbage collected heap?

994

What is re-factoring in software?

1073

What is static synchronization?

1125

What is annotation in java?

1071

What are static methods?

1064

What is a map? What are the implementations of map?

1114

Un-Answered Questions { Java Related }

What do you mean by an interface in java?

1043

What is the difference between the paint() and repaint() methods in java programming?

1206

Is hibernate easy to learn?

445

What is the use of protected in java?

1037

How do you type the lambda symbol?

912

Can final class have constructor?

945

How does hibernate lazy loading work?

405

what is predefined function in java?

994

How jndi is related to jms?

952

What is @transactional in hibernate?

450

What is a clone?

1080

What type of language is java?

1014

Is jdbc a middleware?

963

which interface we have to implement when we are going to create an input custom node?

846

Is it possible to compare various strings with the help of == operator?

1014

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