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Java J2EE Interview Questions
Questions Answers Views Company eMail

what is struts? why Struts?

CTS, Infosys, TCS,

6 8501

java is puerly object oriented or not ?

 5 5585

i need income tax program using java inheritance concept. could u please help me?

 2 4275

difference between byte stream class and character stream class?

 4176

why should we get the following error ? Exception in main method NoClassDefFoundError:classname could anyone give the detail clarification on how java compiler can look for .class file?

 2 3238

i need source code for income tax program using java inheritance

1 4243

java is fully object oriented languages or not? why?

HCL,

12 18313

What are the notations in Java?

Cap Gemini,

1 8108

What are library required to connect to excel sheet.

Cap Gemini,

2 5314

What is “try and catch” in java

Cap Gemini, TCS,

5 6934

Scenario: There are 1 to 100 numbers. Each number should be keep in the each column like from A column to Z column ie 1 to 26. From 27 to 52 should be in 2nd row in the excel sheet. This has to be continue till 100. How do you write Java program and what are various methods.

Cap Gemini,

4 6950

Difference between treemap & sortedset

Oracle,

3 11122

Diffrence between arraylist and hashmap

Oracle,

3 7085

what is data modeling?what is final method

Oracle,

1 4665

explain filters in java?

TCS,

2 6471

Un-Answered Questions { Java J2EE }

What is encapsulation in java?

713

What is servlet and how it works?

583

How can we find the sum of two linked lists using stack in java?

661

What is inversejoincolumns?

209

What do you mean by Synchronous and Asynchronous type of messaging?

587




What are the advantages of autoboxing?

635

How many threads can java run?

664

What is difference between local variable and global variable?

564

Explain Reliability Mechanisms in JMS?

1133

What is ejb in java?

625

What is the purpose of execute() method?

664

What is anti pattern in java?

604

What are the different types of drivers under jdbc?

543

Is hibernate part of spring?

215

How do you check if an arraylist is not empty?

667

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