Java J2EE Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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Struts (701)
JDBC (771)
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Java J2EE Interview Questions

Questions Answers Views Company eMail

Can we call a non-static method from inside a static method?

1056

Why strings in java are called as immutable?

1046

What is the difference between an inner class and a sub-class?

1069

Is it compulsory for a try block to be followed by a catch block in java for exception handling?

1068

How can we use primitive data types as objects?

1014

Can variables be used in java without initialization?

1132

What is an infinite loop?

2 1370

What is an infinite loop? How infinite loop is declared?

1183

Can we use a default constructor of a class even if an explicit constructor is defined?

1153

What's the purpose of static methods and static variables?

1169

What is the difference between comparison done by equals method and == operator?

1074

When the constructor of a class is invoked?

1095

What is ternary operator? Give an example.

1146

How an object is serialized in java?

1045

When we should use serialization?

1096

Un-Answered Questions { Java J2EE }

What is evict in hibernate?

437

Is array synchronized in java?

1092

What is mean by collections in java?

1269

Why java is a platform independent? Explain

1170

What is the purpose of final keyword and when to use it?

1072

What does autowired mean in spring?

464

What is bean in ejb?

1014

What is java spring?

497

Does collectionutils isempty check for null?

1486

Which table holds the encrypted login password?

997

How can the session in servlet can be destroyed?

1227

Explain the necessity of empty tag?

1061

Is lazy loading enabled by default?

542

How we can get ip address of client in servlet?

1040

what is zuul in spring boot? : Spring Boot

469

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