we have got two methods of loading and registering a driver. i would like to know which one could be preferable class.forName(sun.jdbc.odbc.JdbcOdbcDriver) or Driver d= new Driver(sun.jdbc.odbc.JdbcOdbcDriver) Driver Manager.register Driver(d) ?

vsurendarb

 Profile Answers by vsurendarb Questions by vsurendarb

• May 19th, 2006

I useclass.forName(sun.jdbc.odbc.JdbcOdbcDriver)

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satheesh kumar. sriramaneni

• May 10th, 2006

In Java, the JVM will allocate memory to the object.So, it's a platform independent. In C/C++ ,the OS will allocate memory to the object.So, it's a platform dependent.Java is a Robust language, Means ...

miggu

 Profile Answers by miggu Questions by miggu

• Apr 7th, 2006

difference between java,C++ & Cjava doesn,t supports pointers but C++ supports java doesn,t supports structures and unions but C++ supports.C is a procedural based language but java and C++ are object-oriented language .C doesn,t supports classes and objects but java and C++ supports.

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rams_k

 Profile Answers by rams_k Questions by rams_k

• May 10th, 2006

if we dont wnat a class to be subclassed or only one obj to be created go for singletone it only allows only one obj to be createdand rest of them to use that obj for examplePublic Class Singleton {&n...

Guest

• Mar 22nd, 2006

Hi All,Generally Singleton Pattern is used while accessing database related objects. It provides one point access to whole java application. It makes sense to make it thread safe by use of synchronized keyword. Regards-ashruf

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Thakkar Nirav

 Profile Answers by Thakkar Nirav Questions by Thakkar Nirav

• May 6th, 2006

During execution, compiled code might cache the values of fields for efficiency reasons. Since multiple threads can access the same field, it is vital that caching is not allowed to cause inconsistenc...

Srinivasa Chary

• May 4th, 2006

The volatile keyword is used on variables that may be modified simultaneously by other threads. This warns the compiler to fetch them fresh each time, rather than caching them in registers. This also ...

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uafshahid

 Profile Answers by uafshahid Questions by uafshahid

• May 1st, 2006

Byte code is simply the converted source code into arrays of bytes and generated after compilation of source code and is understandable only for interpreter or you can say java run time environment.Un...

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premisa

 Profile Answers by premisa Questions by premisa

• Apr 28th, 2006

As the framwork is a collection of interfaces and classes.java.util package,in which that collection package itself has a coolection of classes and interfaces it will make a fremawork,hence it is so called as Fremework.

Alok Sharan

• Apr 27th, 2006

Hi, A framework is essentialy a set of classes and/or interfaces of reusable code that has been designed and developed for some specific bussiness requirement. The collection is said to be a framework just because it contains the core logic for implementing what we say Data Structure.

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sbarik

 Profile Answers by sbarik Questions by sbarik

• Apr 24th, 2006

Applet is a client side Application. wheras A servlet is a server side application.The servlet sends its resopnse as HTML (By default) to the client. U can just push the applet in servlet just by writ...

sbarik

 Profile Answers by sbarik Questions by sbarik

• Apr 24th, 2006

U can push an Applet into a servlet by just writting the th tag  in the servleteg:-  out.println("<applet code=AccessoryFileChooser.class width=400 height=400>");

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sbarik

 Profile Answers by sbarik Questions by sbarik

• Apr 24th, 2006

U can do this by using the methodsgetBlob(int i),getBlob(String col),getClob(int i),getClob(Strin col)of the ResultSet

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Yelisetty Niranjan Prasad

• Apr 20th, 2006

In general, applets loaded over the net are prevented from accessing files on the client machine, and from making network connections except to the host originating the applet.In addition, applets loa...

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Inner class can access the parameters if the parameters are final

Preeti Yadav

 Profile Answers by Preeti Yadav Questions by Preeti Yadav

• Apr 20th, 2006

The inner class cannot access the parameters of the function in which it defined, unless the keyword "final" is not used with them.

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sbarik

 Profile Answers by sbarik Questions by sbarik

• Apr 19th, 2006

If U want to perserve data integrity Make those methods or code blocks also synchronized..Basically its a programming issue .It depends entirely on the progarmmer which resources to synchronize 

hmashruf

 Profile Answers by hmashruf Questions by hmashruf

• Apr 18th, 2006

Agreed that for a synchronized block to get accessed to, the thread has to acquire object lock. With the above condition:a. Thread2 cannot access the synch. block until Thread1 is out of it.b. Thread2...

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deepak

• Apr 15th, 2006

Collection is a java package that provides the facilities to work on a group of objects as a single unit.it contains intefaces and classes the provide this facility.

jalvarado

 Profile Answers by jalvarado Questions by jalvarado

• Jan 6th, 2006

Ok na

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santukt

 Profile Answers by santukt Questions by santukt

• Apr 15th, 2006

Simply bcoz in real world in order to construct a new thing based on another what we will construct first.Remenber The rule is no only applicable to default constructor but to parameterised constructor also.

vmshenoy

 Profile Answers by vmshenoy Questions by vmshenoy

• Jan 21st, 2006

whenever v create an object of  child class ,automatically an obj of parent class is also created,with this what i mean is that data members of base class also accessible ,provided access specifi...

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Raj

• Apr 12th, 2006

We can't implement interface in JSP. This one of the major difference between Servlet's and JSP's.

vivek barsagadey

• Nov 19th, 2005

No , We con't ......

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maharaja

• Apr 10th, 2006

C++ can be used in java program by using Native API. There are 4 types of drivers in JDBC. Native API/Partly java driver is one of the type, which is used to connect the C++ code in Java Program

nidhi

• Apr 6th, 2006

C and c++ methods can be used as native methods,but you need to load the class before that as a library!

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mytramesh

 Profile Answers by mytramesh Questions by mytramesh

• Apr 7th, 2006

Type1: sun.jdbc.odbc.JdbcOdbcDrivertype4(thinDriver):jdbc:"oralce:thin:@localhost:1521:oracle","scott","tiger")It is fastest Driver,it uses java sockets to direct connect with oracle.it is 100%pure java.this is 100% platform independent.

Li

• Feb 2nd, 2006

Class.forName("oracle.jdbc.driver.OracleDriver");

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Anand Kumar Kande

• Apr 6th, 2006

It is platform independence. The client can get assurance that his application can work on any OS.It is hardware independence.It is Secured, Robust and portable.The main advantage of java is it is ope...

Supraja

• Feb 17th, 2006

Java is cross platform running just on any combination of hardware and operating system.VB is master of Windows( however VB no longer supports Windows 3.x platform).In relation to security Java has a major advantage of sandlot model where as in VB, activex still problematic.

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jeethu

• Apr 4th, 2006

1class a{2   String name;3 public String toString(){4 System.out.println(name);5 }6 }7 class mainone{8 public static void main(String args[])throws Exception{9 a aa=new a();10 System.out.pri...

k.v.n.r.muralil krishna

• Apr 4th, 2006

in object class it contain some methods like hashCode(), toString() methods. this two methods is used to give some information. for example in my project devlepoment i use several classes at some poin...

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james_stone

 Profile Answers by james_stone Questions by james_stone

• Mar 31st, 2006

streams are the rooted ,specific connections between the source and aplication.input stream are the connection between source to application and vise varsa.the input stream and outputstream aer the s...

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chandra

• Mar 29th, 2006

To handle data in the form of text the abstract classes:Reader and Writer are used. in this Print reader/writer handle printing of characters on the screen or on the printer.  Streams represents ...

sbarik

 Profile Answers by sbarik Questions by sbarik

• Mar 21st, 2006

U can use printer option in java.In java You can Use the printer by using javax.print javax.print.attribute javax.print.attribute.standard the above APIS.Just go through these then u will bw able to acess the printer

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