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Java J2EE Interview Questions
Questions Answers Views Company eMail

Who developed java?

1 1097

What is finalize() function in java?

1 1107

Explain the inheritance?

1 1088

How we can skip finally block of exception even if some exception occurs in the exception block in java?

1 1046

What is the base class of all exception classes in java?

1 1157

Explain the difference between jdk, jre, and jvm?

1 1129

What is java virtual machine? Explain

1 1134

how we can make a read-only class in java?

1 1093

What is "this" keyword in java? Explain

1 1186

how we can create packages in java?

1 1075

What is abstract class? Explain

1 1136

what is instanceof operator used in java?

1 1128

How we can generate random numbers in java?

1 1224

What do you mean by local variable and instance variable?

1 1046

What is the differences between c++ and java? Explain

1 1162


Un-Answered Questions { Java J2EE }

What is a constructor overloading in java?

1132


What do you know about validation plugin ?

1037


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

1012


Can we return resultset in java?

1000


Hi frnds how to lock an user when he enter wrong credentials more than 3 time using java or j2ee tech take username and password in a bean no need to connect DB and validate give me some sample application code or links its urgent for me thanks in advance

2429


Differentiate between static and non-static methods in java.

1134


What do you mean by an interface in java?

1107


What is action chaining ?

1176


explain different ways of using thread? : Java thread

1091


How to sort array in descending order in java?

1001


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

1049


Explain public static void main(string args[]) in java.

1086


What are the contents on web.xml in struts application ?

1078


How to create a base64 decoder in java8?

1151


What is the difference between filters and interceptors ?

1322