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

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Java J2EE Interview Questions

Questions Answers Views Company eMail

What are design patterns and please explain?

1104

What are 4 pillers of object orinted programming?

1043

What do you mean by an object in java?

1153

Justify your answer that you can't define a method inside another method in java, if you can then how?

1206

Differentiate between array list and vector in java.

1135

What is outofmemoryerror in java?

Cyient,

1047

What do you understand by classes in java?

1025

Why do we create public static method in java?

1129

Why we do exception handling in java and how many types of exceptions are there?

1142

What is operator overloading. Is it is supported in java?

1049

What is the difference between jdk, jre, and jvm?

1141

What is difference between equals and hashcode method?

1158

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

1019

What is difference overloading and overriding?

Cyient,

1196

What is difference between throw and throws ?

Cyient,

1169

Un-Answered Questions { Java J2EE }

Is hibernate bad for ssd?

443

What is default switch case? Give example.

1033

What is the gregoriancalendar class in java programming?

1062

How to notify an object in session when session is invalidated or timed-out?

1105

What is the purpose of @element annotation annotation?

1109

What will happen when you compile and run the following code?

972

Is a copy constructor?

1077

What is the purpose of the system class in java programming?

1126

How do I stop concurrentmodificationexception?

1053

How do you use compareto in java?

989

What is the use of setFetchSize() and setMaxRows() methods in Statement?

1015

What does 0 mean in boolean?

994

What are examples of modifiers?

1159

Why java is a platform?

960

Explain where are the files placed while deploying the resource adapter in web logic server?

1009

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