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

Why runnable interface is used in java?

1148

How garbage collection is done in java?

1060

There are two classes named classa and classb. Both classes are in the same package. Can a private member of classa can be accessed by an object of classb?

1497

What is the base class in java from which all classes are derived?

987

Can we declare a class as abstract without having any abstract method?

1007

Which of the following classes will have more memory allocated?

1019

Does importing a package imports its sub-packages as well in java?

980

How objects of a class are created if no constructor is defined in the class?

1075

Give an example of use of pointers in java class.

1036

I want to persist data of objects for later use. What is the best approach to do so?

1069

What is the purpose of static methods and static variables?

1074

What are java packages?

1042

What are the performance implications of interfaces over abstract classes?

1 3677

How can you generate random numbers in java?

1054

When a lot of changes are required in data, which one should be a preference to be used? String or stringbuffer?

1246

Un-Answered Questions { Java Related }

What is difference between pojo and dto?

496

difference between rad and ordinary deployment?

969

Can hibernate id be string?

380

What are data types in oop?

1043

Hi frnd can i any one kindly can post for me portlet,hibernate and spring example application and with flow explantion configuration using Jdeveloper.and related links ar tutorials kindly please send me .its urgent for me .thanks in advance...........else can any one send to kondaiah.goddeti@gmail.com

2193

What is asant?

1017

Difference between GET and POST?

1168

What is difference between Heap and Stack Memory?

1058

What is java struts?

950

What are advantages of spring usage?

418

Can you instantiate the math class?

1069

Is it good idea to create servlet constructor?

1264

What event results from the clicking of a button?

1254

What are the steps to connect to a database in java?

946

Define a way to add hibernate mapping file in hibernate configuration file?

622

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