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

Java J2EE (14736)
J2ME (151)
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Java Related Interview Questions

Questions Answers Views Company eMail

what is recursion in java

Cap Gemini,

1257

what is abstract class in Java?

Hexaware, Syntel,

1174

What will happen if a thrown exception is not handled?

ABB, Akamai Technologies, Infogain,

1103

In Java list the methods that can be overridden?

Accenture,

1058

What do you mean by stack?

Accenture,

1208

Explain the term virtual machine?

Adobe,

1093

What is role of void keyword in declaring functions?

Adobe,

1104

Define array. Tell me about 2-D array.

Agilent,

1109

Give an example of call be reference significance.

Agilent,

1088

In case of inheritance what is the execution order of constructor and destructor?

Agilent,

1190

What is the difference between a vector & an array list?

Agilent,

1223

Differentiate between nested and inner class in java.

Akamai Technologies,

1052

'A class is a template for an object' explain this statement.

Akamai Technologies,

1103

Define Multiprogramming and Multiprocessing in java.

Akamai Technologies,

1227

Explain an algorithm to find depth of a binary tree.

Akamai Technologies,

1109

Un-Answered Questions { Java Related }

What is use of super keyword in java?

1093

What's the difference between servlets and applets?

1102

What are important features of Servlet 3?

1155

How do I enable debugging for the messaging bridge? : BEA Weblogic

1001

What are the conditions applies to varchar variable, when using in procedures?

2225

How to enable logging (log4j) in hibernate?

440

If you are given a choice to implement the code to either insert a record or update if already exist, which approach will you follow ?

1060

What are the fetching strategies in hibernate?

426

What are the jdbc statements?

1031

What does the “final” keyword mean in front of a variable? A method? A class?

1043

What is identifier with example?

1096

What are thread priorities and importance of thread priorities in java?

1235

Can you achieve runtime polymorphism by data members?

1205

How do I start wls and configure jms?

880

Difference between weblogic and websphere?

911

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