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 an immutable object? How do you create one in java?

1082

How do you create immutable object in java?

1074

What are the uses of synchronized keyword?

1017

In java, what is the difference between method overloading and method overriding?

1138

What is the purpose of garbage collection in java?

1119

What kind of variables can a class consist?

1073

What are the differences between path and classpath variables?

1056

How do you differentiate abstract class from interface?

981

Is it possible to override private or static method in java?

1017

What does the ‘static’ keyword mean? Is it possible to override private or static method in java?

1005

Difference between the transient, persistent and detached state in hibernate?

350

What are the key components of a hibernate configuration object?

444

Name some of the important interfaces of hibernate framework?

363

Difference between sorted and ordered collection in hibernate?

485

How can you share your views on mapping description files?

551

Un-Answered Questions { Java Related }

What is meant by data hiding/encapsulation?

1127

What's the difference between authentication and authorization?

1168

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

1042

What is the file extension used for hibernate mapping file and hibernate configuration file?

479

How many threads can java run?

1133

Is it possible to retrieve data using access bean on the jsp page?

902

Does netbeans need jdk?

909

What is the difference between JVM and JRE?

1126

What are native queries?

360

What is servlet container?

1136

Explain the spring configuration file.

403

Write a program in java to find the maximum and minimum value node from a circular linked list.

1101

What are different scopes of spring bean?

463

How do you create a first line indent?

1020

What is meant by polymorphism?

1042

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