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Java J2EE Interview Questions
Questions Answers Views Company eMail

What is the difference between Stream Reader and Stream Writer?

 4 17723

Which class should you use to obtain design information about an object

 2 8485

Why we need to serialize the object

CTS, Geometric Software,

11 40354

a US company has filed my H1B visa ,, and i got selected in random number process.I wanna ask Could they ask regarding my languages(java,c++) or there will b just general questions?? And wat kind of questions will they ask in embassy interview??

 2 5355

whatis the diff between ejb and servlet/jsp

TCS,

6 21120

can we have virtual functions in java?

Wipro,

11 47911

What is more advisable to create a thread, by implementing a Runnable interface or by extending Thread class?

 5 11672

what's diff between struts 1.1 & 1.2

Wipro,

3 26244

can u explain about design patterns like singleton,builder,factory

EdgeSoft,

1 2423

why applet doesn't have main? isn't possible a program with out main?

TCS,

9 22655

what is an virtual function

TCS,

2 6252

what is the difference b/w design pattern and architecture

Covansys,

4 9476

wa is connection pooling? how do u create connection pooling?wat is use connection pooling?

Covansys,

1 6368

What is emant by API? is it related to java only or it is common for all OOPS supporting language?

 3 5915

What is means by DLL file means ? What is the use of DLL file? What are the contents of DLL file?

 4 13231

Un-Answered Questions { Java J2EE }

What do you know about validation plugin ?

1024

What do you mean by an interface in java?

1095

What is the difference between break and continue statements?

1117

How to create a base64 decoder in java8?

1131

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

2415

Hi frnd can i any one kindly can post for me portlet,hibernate and spring example application and with flow explantion configuration using Jdeveloper.and related links ar tutorials kindly please send me .its urgent for me .thanks in advance...........else can any one send to kondaiah.goddeti@gmail.com

2258

Write a program to find the whether a number is an Armstrong number or not?

1095

hi actully i hav form columns with origin and destination names .as like as i need to create one more column with name amount. my requirement is when i select origin and destination columns automatically i need to get amount from database.how can i. please tel me with relative code

2861

What is action chaining ?

1158

i want test pattern of zylog company and some examples also

2855

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

1032

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

994

Differentiate between static and non-static methods in java.

1116

How to sort array in descending order in java?

986

explain different ways of using thread? : Java thread

1079

For More Un-Answered { Java J2EE } Questions Click Here