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 IS THE MEANING OF ALL TYPE OF BUZZWORDS?

4 14570

describe all about advanced java with presentation

Sun Microsystems,

4 8403

who can we create the object of a class? in how many ways we can create it (max 5)

2 5754

how can we get the metaData (columnNames) from a table which has no Records..

2 4254

What is inner class?what is the use of inner class?where we create the object for inner class? and inner class can extend any class or inner class can implement any interface?

Wipro,

1 2787

how can we decide a session bean as stateless or stateful without seeing jar file? i.e. by seeing the class file.

3 5859

Q) I have a ArrayList object, in that object i have added 5 integer values, 5 float values, 5 string values. Now question is how can delete particular type of data ( i.e all int values or all float values or string values) in that list object at a time?

Aricent,

3 8736

I have a Arraylist object, it has duplecate values also. Now question is i want delete duplecate data in that objet with out using Set?

Aricent,

8 15809

What are the similarities between an array and an ArrayList?

3 10256

Hai friends I am MCA 2006 passout. Spend time in 1 yr for teacing and 5 months in small s/w firm. worked in 4 or 5 months in few places. Presently I am writing bank exams. I want to get back to IT sector. Are there any possibilities. any growth prospects?. I am having some knowledge in core and advanced java. I am so desperate. Any suggestions thanks in advance. u can write to my mail mahidestiny@gmail.com

4 5742

Hi All thanks in advance, iam new to j2ee currently in my project we r using struts with hibernate can i have one sample application like CRUD application with code or any tutorials liks r ebooks plz....?

IBM,

1 4514

how many ways we can serialize the java object?

Satyam,

2 12493

how many ways to create Thread and which one is good? runnable interface ot Thread class?

Satyam,

3 11215

what is difference between set and list in collection?

Satyam,

3 12125

What do u mean by method and also contructer in java ?

3 5827

Un-Answered Questions { Java J2EE }

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

What is an object in java and how is it created?

1128

What is java string pool?

1076

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

2865

What is a constructor overloading in java?

1122

What is latest hibernate version?

486

What is lazy class?

481

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

1032

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136

What is a classloader in java?

1084

What is the difference between filters and interceptors ?

1301

What is the difference between break and continue statements?

1118

Write a java program to find the route that connects between Red and Green Cells. General Rules for traversal 1. You can traverse from one cell to another vertically, horizontally or diagonally. 2. You cannot traverse through Black cells. 3. There should be only one Red and Green cell and at least one of each should be present. Otherwise the array is invalid. 4. You cannot revisit a cell that you have already traversed. 5. The maze need not be in the same as given in the above example

2659

What do you mean by an interface in java?

1095

How to create a base64 decoder in java8?

1131

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