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

Java J2EE (14736)
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Java Related Interview Questions

Questions Answers Views Company eMail

howmany connection pool in connection

3 8173

Hi Frieds, I am new to servlet why to use servlet in webapplication. what i know is " use servlet as a controller in mvc and to implemnent business logic . is it correct ? One more thing reason for implementing business logic with servlets , why not jsp.

4 6405

I have one Shopping cart application, i that i have selected some items, while clicking submit button by mistake i have clicked twice or trice, that time items are selected twice or trice. Actually i want only one copy of items but its selected twice or trice. So how can we avoid this problem?

Honeywell,

2 6999

life cycle of an applet?

3 5519

can we use more than one controller in web application

IBM,

3 10107

How Vector class is synchronized,How to build user defined class as synchronized?

2115

What is difference between abstract class & final class

7 27401

Hai all I want to print given array in reverse order Ex: int a[]={1,2,3,4,5};display this array in reverse order.

4 6301

what is the output ? Math.floor(-2.1) a)2 b)-2 c)-3.0 d)0

Accenture,

4 14101

How to find the size of an array a)array.length() b)array.length c)array.size() d)array.size

Accenture,

6 11238

what is the Yield() method used in threads?

Accenture,

4 8830

System.out.println(101/14) what is the output? a)6 b)14 c)7.14 d)0

Accenture,

8 11022

when a servlet sends request for first time it uses the follwing methods a)init b)doget() c)dopost() d)service

Accenture,

4 7723

What is Connection Pooling?

Enteg Technologies, Infosys, Polaris,

1 6680

What are Benefits of Connection Pooling?

2 6656

Un-Answered Questions { Java Related }

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

What is a classloader in java?

1083

What is a constructor overloading in java?

1121

What is java string pool?

1076

What is the first argument of the string array in main method?

1025

What is the java api?

986

How does java handle integer overflows and underflows?

1111

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

Are jvm’s platform independent?

976

How can you inject java collection in spring?

503

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

1032

How to sort array in descending order in java?

986

Write a program to print count of empty strings in java 8?

1078

Differentiate between static and non-static methods in java.

1116

What is the difference between filters and interceptors ?

1299

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