A) Reusability of codeB) accessibility of variables of the superclass by subclasses.C) Accessibility of methods of the superclass by subclasses.D) a,b are true

masarrat

 Profile Answers by masarrat Questions by masarrat

• Jul 24th, 2006

A) Reusability of codeB) accessibility of variables of the superclass by subclasses.C) Accessibility of methods of the superclass by subclasses.

prajkta

• Feb 1st, 2006

all of aboveare true

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PHANINDRA KUMAR

• Jul 22nd, 2006

       when we use interface concept then we understand the concept of super class object is referring.when we use interface concept we cant create object.so that we can ...

vinod

• Jun 16th, 2006

There is no concept of multiple inheritances in java.So they provide a class which has basic functionality which are necessary for a class.

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nirav

• Jul 21st, 2006

select min(sal) from (select sal from emp order by sal desc) where rownum <=n;where n is the nth highest salary you want.

Praveen Kumar M

• Apr 11th, 2006

SELECT    empid             ,empname             ,salary &nb...

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A) TrueB) False

RavindraPaliwal

 Profile Answers by RavindraPaliwal Questions by RavindraPaliwal

• Jul 21st, 2006

The conditional operator x ? y : z is also called ternary operator.. But there are many other conditional operators like while, do..while but they are not know as conditional operator.

sadik

• Dec 30th, 2005

Yes,conditional operator is called as a ternary operator

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A) TrueB) False

sarika

• Jul 19th, 2006

It is false,but  can anyone  tell me the reason?

a_renapurkar

 Profile Answers by a_renapurkar Questions by a_renapurkar

• Feb 15th, 2006

False

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A) newB) runnableC) blockedD) dead

sarikareddy

 Profile Answers by sarikareddy Questions by sarikareddy

• Jul 19th, 2006

newrunsleepwait

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vijaybharti

 Profile Answers by vijaybharti Questions by vijaybharti

• Jul 18th, 2006

it is used to load the class at runtime and in jdbc it is used to load the driver and according to specification every driver class must contain a static block in which it contains the code to instanciate itself and the register itself with the driver manager.

sriaknth

• May 15th, 2006

When we call forName() method on Class class what happen is1)initially the class is loaded into the memory2)then it calls the static method forName()3)the static forName() method contains a static block.That static block regiser the loaded driver class with the DriverManager class

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kavitha

• Jul 18th, 2006

C++ : partially support the OOP(Object Oriented Programming) concepts .java: fully support the OOP concepts.          without using class we can write program in C++. But in java we can't. 

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Skant

• Jul 18th, 2006

Socket is composed of source/dest. ip address source/dest. port no. and the protocol used at layer 4.

Arun

• Jul 21st, 2005

A method of communication between two processes. A socket is an identifier that the application uses to uniquely identify an end point of communications. The user associates a protocol address with the socket by associating a socket address with the socket.

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S.Manmay

• Jul 17th, 2006

Java Virtual Machine - Also called a "Java Interpreter", "Java Runtime" - Converts bytecode into OS specific commands. In addition to governing the execution of an application's bytecodes, the virtual...

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By using InputFileReader Class

Rohit Sachan

• Jul 15th, 2006

To read text file use FileInputStream fis = new FileInputStream("MyFile.txt");ObjectInputStream ois = new ObjectInoutStream(fis);//now u can read this object oisObject obj = ois.readObject();this with an object to which u got to cast again.I hope it make sence :)

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Sumeeth R Tewar

• Jul 13th, 2006

In a j2ee application there are possibly following tiers.Client Tier - Contains client side applets.Web Tier -  Contains web components jsp, servlets.Application tier - contains business logic ejbs.Legacy Application  tier - contains back end legacy application and DBs. 

Pattukkottai Arun

• Jul 21st, 2005

The J2EE Platform provides a component-based approach to the design, development, assembly, and deployment of enterprise applications.   The J2EE platform is designed to provide server-side ...

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Sumeeth R Tewar

• Jul 13th, 2006

event delegation model allows other objects to handle the events rather than the objects on which they were produced,Also uneccessary events are not handled.

Rajasekhar

• Sep 1st, 2005

Whether there is any class method in jsp to find from which page the request has come to the current page?

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Sumeeth R Tewar

• Jul 13th, 2006

yield() is used on a thread object to relinquish resources allocated to it.and sleep() is used to take a thread in a waiting state for the specified time in milliseconds.  

Pattukkottai Arun

• Jul 21st, 2005

When a task invokes its yield() method, it returns to the ready state. When a task invokes its sleep() method, it returns to the waiting state.  

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Sumeeth R Tewar

• Jul 13th, 2006

Java Mail Api provides capability to a java application. to read and write emailsusing smtp , pop3 , imap etc

Pattukkottai Arun

• Jul 21st, 2005

Through the JavaMail API, applications can connect to a Simple Mail Transport Protocol (SMTP) server to send and receive email. 

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Sumeeth R Tewar

• Jul 13th, 2006

A Datagram Socket is a UDP Socket.that is connection less service, Unreliable.It is not like TCP/IP sockets which require connection to be established between client and server.Its data is transferred in DatagramPacket format.

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Sumeeth R Tewar

• Jul 12th, 2006

ServerSocket is a class for creating a server side connection for remote clients to connect to,On client connection success, returns an ordinary socket which can later be used to communicate with...

Arun

• Jul 21st, 2005

A server socket waits for requests to come in over the network. It performs some operation based on that request, and then possibly returns a result to the requester.

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The File class encapsulates the files and directories of the local file system. TheRandomAccessFile class provides the methods needed to directly access data containedin any part of a file.

sumeeth tewar

• Jul 12th, 2006

the File class can only provide File properties. But cannot actually read or write those files.RandomAccessFile provides methods to read and write to files.

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Sumeeth R Tewar

• Jul 13th, 2006

No.

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