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

Java J2EE (14736)
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Java Related Interview Questions

Questions Answers Views Company eMail

Can we access private data outside of the class directly in java programming language? Why There is no runtime checking in java, which leads to access the private data directly outside of a class?

Google,

5 11658

What is the need to implement Serializable interface (with no methods) for objects which are to be serialized ? We can write our own functionality which writes objects to streams then why we need to implement and tell JVM that which objects can be serialized.

iFlex, Sapient,

6 16232

why java not supproting multiple inheritance?

5 8211

what is the purpose of method overriding in java where v r completely re-defining a inherited method instead y can't v create a new method and define.If the question is very silly plz excuse me and do reply.Thank U!

emc2, Kumaran Systems,

7 29955

If a multi threaded Java program has started numerous number of threads, at any point in time how to know which thread is currently executing/running ?

Accenture, College School Exams Tests, iFlex, NIIT,

7 16180

Why const and goto are reserved keyword in java?

1 7674

Why Wait and notify are kept in Object class although they are used only with Thread Class

Global Logic, Saksoft,

2 10956

can anyone explain me the concept of autoboxing?

3 6994

what is the use of pojo (plain old java objects)? how it is interact with crystal reports? pls urgent

1 2269

how to use crystal reports in java

2 5331

1.what is the exact difference between applet and frame? 2.Do we use main method in frames?

5 26606

diff between abstract methods and interfaces with programing (code) example?

2 5548

How do you customize ActionServlet?

Ness Technologies,

3 11593

Is it compulsory to have atleast one abstract method in abstract class?

10 24303

Can Container managed Bean-Managed Persistence ?

Sony,

2255

Un-Answered Questions { Java Related }

Write a program to find the whether a number is an Armstrong number or not?

1095

what is reflection api? How are they implemented?

1102

What is the resourcebundle class?

1003

Are jvm’s platform independent?

975

What is parsing in java?

1030

hi actully i hav form columns with origin and destination names .as like as i need to create one more column with name amount. my requirement is when i select origin and destination columns automatically i need to get amount from database.how can i. please tel me with relative code

2861

How does java handle integer overflows and underflows?

1111

What is the difference between equals() and == in java?

1032

What are the differences between heap and stack memory in java?

1126

Find Best Job Vacancies across the world on Jooble!

133

What if I write static public void instead of public static void?

928

what are the different modes of archival? Explain each mode in two lines each?

994

What is a classloader in java?

1083

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

2257

What is difference between @controller and @restcontroller in spring?

536

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