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Java J2EE Interview Questions
Questions Answers Views Company eMail

please mail me the interview question based on java/j2ee

Wipro,

1 2034

Difference between Encapsulation and Abstraction

Fidelity,

4 11884

What is aggregation and composition ?

Fidelity,

1 6726

Can we add default constructor to Servlet?

Fidelity,

1 7036

How do u pass data from one jsp to another jsp?

Fidelity,

3 15687

what is diff btwn JNDI&JDBC?

CTS, JPMorgan Chase,

6 28012

how to enable conection poole shrinking??

CTS,

2 10421

what is the meaning of java.lang and java.util

6 37068

how can connection with oracle10g with java

IonIdea,

3 12505

if a java file without any source code is valid java file?

SparkTG,

3 10151

why string is not taking as primitive datatypes but we r taking it as a class? why explain it?

HP, SparkTG,

2 6549

What is the difference between the synchronized() & static synchronized()?

HP, SparkTG,

2 8877

which one is more efficient int x; 1. if(x==null) 2.if(null==x) state which one either 1 or 2?

HP, SparkTG,

7 11505

how tha garbage collector know that the object will be deleted? on which algorithm the garbage collector works? what is the working principle of garbage collector? How manay types of garbage collectors r there?

HP, SparkTG,

1 7417

what is object type casting? give some example with related?

HP, SparkTG,

2 9166


Un-Answered Questions { Java J2EE }

What is the difference between break and continue statements?

1117


What do you know about validation plugin ?

1024


What is difference between @controller and @restcontroller in spring?

533


i want test pattern of zylog company and some examples also

2855


Differentiate between static and non-static methods in java.

1115


What is java string pool?

1076


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

1063


What is latest hibernate version?

485


explain different ways of using thread? : Java thread

1077


How to create a base64 decoder in java8?

1129


What is action chaining ?

1158


Can we return resultset in java?

985


What is a constructor overloading in java?

1119


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

2657


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

1095