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

What does null mean in java?

1089

How to do encapsulation in java?

1067

Can one thread block the other thread?

1045

Explain about instanceof operator in java?

1077

Difference between method overloading and method overriding in java ?

1109

Explain about main thread in java?

1100

What access modifiers can be used for class ?

1039

Explain when classnotfoundexception will be raised ?

1057

Explain when noclassdeffounderror will be raised ?

1071

What all methods are used to prevent thread execution ?

1047

What are inner classes or non static nested classes in java?

1199

What are packages in java?

5 1707

Difference between ‘is-a’ and ‘has-a’ relationship in java?

1029

Explain why wait(), notify() and notifyall() methods are in object class rather than in thread class?

1039

Can we override constructors in java?

1167

Un-Answered Questions { Java Related }

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

990

What are the key features of the ejb technology?

1095

How can we avoid including a header more than once?

1058

What is java transaction api (jta)?

962

What are the loop holes of struts?

1068

What is a retriable command?

865

How does spring mvc work?

462

What are transaction isolation levels in ejb?

1042

What is servlet interface?

1248

What do you mean by order of precedence and associativity?

971

Can you use abstract and final both with a method?

1125

I configured the messaging bridge to use the exactly-once quality of service for two-phase transactions. So why am I getting a quality of service is unreachable error? : BEA Weblogic

1019

What design pattern you have used in your project? I answered Factory pattern, how it is implemented? What are its advantage? Do know about Abstract Factory?

2523

What is jdbc connection class?

917

What is init method in spring?

439

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