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Driver manager
What is driver manager?
Sandhya.Kishan
- Jun 19th, 2012
The Driver Manager is a library that manages communication between applications and drivers.The Driver Manager is used solves a number of problems related to determining which driver to load based on a data source name, loading and unloading drivers, and calling functions in drivers.
dev patel
- Jun 16th, 2012
In jdbc- object which can connect java application to a jdbc driver that is called driver manager.
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What is the difference between thin client and thick client?
Sandhya.Kishan
- Jun 19th, 2012
Thin Clients 1.Easy to deploy as they require no extra or specialized software installation 2.The data captured is verified by the server. 3.Clients run only and exactly as specified by the server 4.R...
jyotsna
- Apr 20th, 2006
Thin client is browser based and thick client is window based
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How will you make session more secure in JSP?
elanchezhian
- Jun 11th, 2012
By using Cookies
mani.sivapuram
- Feb 14th, 2011
since sessions are created by server only but by using session with cookies (or) session with url encoding techniques we set the session id in the client system.If we want to maintain secure data abou...
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Difference between include directive and script tag while including Java scripts file in JSP.
I was trying to use JavaScript file for validations of the fields and buttons in my JSP page.
but found that the following worked:
and not:
I wanted to know the reason?
Thanks in advance!!
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What is the main difference between jdk1.4 and jdk1.5
Rajesh
- May 31st, 2012
Different between jdk1.5 and jdk1.6 details Explain with code Example.?
ramanujsaraswati
- Jan 7th, 2009
Jdk 1.5 has various feature which was not in jdk 1.4. These new features are below-1)Annotation 2)AutoBoxing3)Enum support4)ForEach5)Generic implemention of Class, Method, WildCards, Bounded Type.6)Variable Argument support.
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Problem with JSF / Spring security 2.5
Hello,
First I would say sorry I dont speak English very well...
I use the Spring framework 2.5 to apply the security rules for hand interception on the page in my application J2ee, I want that the page is only accessible when the user is connected.
The problem is that when I do:
the page still accessible by typing main.jsf !
and when I do:
the page... -
What is difference between War file and Ear file?
patie
- May 22nd, 2012
JAR - Java ARchive Its a file format based on the ZIP file format and similar to ZIP format this is also used for aggregating many files (many be of different types) into one aggregate file. This agg...
what is difference between War file and Ear file?
- Oct 12th, 2011
jar files: These files are with the .jar extension. The .jar files contain the libraries, resources and accessories files like property files. .war files: These files are with the .war extension. Th...
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3-tier architecture in Java
Explain about 3-tier architecture in Java
ROOPESH JAMES
- May 21st, 2012
A three-tier architecture is any system which enforces a general separation between the following three parts: 1. Client Tier or user interface 2. Middle Tier or business logic 3. Data Storage Tie...
atilakmca
- Sep 27th, 2007
middle tier is primarly based on processing the bussiness logic. The main idea of dividing into tiers is like the application developer can concentrate on specific tier in developing webapplicati...
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Design Pattern
What design pattern are available for J2EE?
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Application Security
How will you make sure to develop Java/J2EE projects/applications secured from hackers?Justify how Java projects are more secured than other languages?
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Log4J
How would we use log4J in our applications? Is it necessary to use log4J applications in our web application?
nabi_alam
- Mar 30th, 2012
To implement log4j in the web application there are different way. 1.we have to write a common logger class. 2.we have to configure corresponding class in web.xml and 3. we have to configure the prop...
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Difference between java.sql.Date and java.util.Date
dineshxp
- Mar 19th, 2012
Java.util.date is used to show date and time of the system
java.sql.date is used to show the date of retrieved data from database and also it shows entered date to databaseNarendraKumar
- Mar 6th, 2012
Explanation: public class ((java.util.Date extends java.lang.Object)) implements java.io.Serializ able,java.lang.Cloneable,java.lang.Comparable java.sql.Date extends the java.uti.Date cls obj so jav...
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What is the usage of abstract method?
Lokesh M
- Feb 10th, 2012
Abstract classes used to implement polymorphism. Abstract class allows additional method declaration in the class.
Please read detailed discussion here http://www.geekinterview.com/question_details/19145
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What is bit twiddling in Java?
Lokesh M
- Feb 10th, 2012
Bit Twiddling was used in earlier days for efficiency. It is a technique used for bit manipulation. Java bitwise and bit shift operators such as NOT, AND, OR, XOR, LEFT-SHIFT, RIGHT-SHIFT, UNSIGNED-RI...
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What is diffrence between java and java script?
amreenkhader
- Jan 20th, 2012
Java is the basic object oriented programmng language and Java script can be used in style sheets making and in HTML documentation
mani.sivapuram
- Feb 23rd, 2011
java-script is also same as like java only.But java is used in server side scripting and the javascript is used in client side scripting. I will say a real time scenario here consider the normal user...
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Explain the concept of design in a project and its life cycle
amreenkhader
- Jan 20th, 2012
Projects needs to be designed carefully which must be meaningful according to the readers and learners..It must be planned in such a way so that it can be followed easily a project should contain a meaninngful data related to topic prescribed
Ashwinshenoy7
- May 8th, 2011
Let me start with an example.Consider a development projectInitiation : Requirements gatheringPlanning : From the scratch to the end product based of the needs and requirements provided.Design: Once t...
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What is DAO?
amreenkhader
- Jan 20th, 2012
DAO decides to recieve the appropriate application from java and implemeting it a runtime...during execution..
chetan.nellekeri
- Apr 18th, 2011
DAO is Data Access Object.This is a pattern is used in most of the project throughout the industry.This class is the main medium between JAVA and JDBC.
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Why do we pass ActionMapping object in Validate(...,..) method in struts?
Public ActionErrors validate(ActionMapping am,HttpServletRequest)
{
some validation logic...
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Why do we Typecast FormBean object with ActionForm in execute(...,...,...,..) method in Struts?
Public ActionForward execute(ActionMapping am,ActionForm af,Req,Res)
{
Myfornbean mf=(Myformbean)af;
//why we are typrcasting here -
What is the difference between hash map and hash table?
swatinanu
- Aug 8th, 2011
Hash map is basically a collection API which is used to save data in sorted order avoiding duplicates. where hash table herits Object class. Hashtable is synchronized, whereas HashMap is not. This m...
Abid
- Jul 13th, 2011
The HashMap class is roughly equivalent to Hashtable, except that it is unsynchronized and permits nulls. (HashMap allows null values as key and value whereas Hashtable does not allow). HashMa...
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