Sandhya.Kishan

 Profile Answers by Sandhya.Kishan Questions by Sandhya.Kishan

• Mar 7th, 2012

Look up SMS gateway. TO send a text, your really just sending any EMAIL with the SMS gateway. Its very easy.

for instance, versions is: yournumber@vtext.com .So just have the user input the phone number and their carrier and then send email out using JavaMail.

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i want output of this program:

javaimport javax.mail.*;
import javax.mail.internet.*;
import java.util.*;
public class Assimilator
{
public static void main(String[] args)
{
try
{
Properties props = new Properties();
props.put("mail.hosst", "mail.Pmc Tech.org");
Session mailConnection=Session.hetInstance(props,...

bholanath das

• Dec 19th, 2011

Error at line 14 ");"+

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Why compiler does not provide default constructor if there is any parametrized constructor is provided by programmer.?

sam505

• Sep 14th, 2011

1)Compiler does not provide default constructor in case when we call parametrized constructor,because default constructor does not contain any parameter,it is parameter less constructor. 2)Normally d...

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How to know that a string require how much bytes in memory......

Ex. String s="abc";
String s=new String("abc");

How much memory is used for s and s2

sumathi

• Oct 6th, 2011

You can check
Runtime r = Runtime.getRuntime() ;
r.freeMemory() ;
before and after the creation of the new Object you can check the memory and by subtraction u can get the used memory. Not accurate but useful.

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What is the use of valueOf( ) method?

Shekhar Saxena

• Oct 10th, 2011

ValueOf method converts primitives into string

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What is the difference between object variable and class variable..?

SUMATHI

• Oct 6th, 2011

A Class is a template. An object is an instance of class. Every data member of an object contains its own value, where as Class only declares the data members. class contains one or more related obj...

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what is difference between instanceOf operator and getclass()

suraj20p

 Profile Answers by suraj20p Questions by suraj20p

• Oct 28th, 2011

instanceOf() is an operator used to find out whether an object is of instance of certain class or not eg: String str=new String(); //here str is an object of String class Sop(str.instanceOf(String));...

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What is the main advantage of java when compared to other programing languages...?

Shekhar Saxena

• Oct 10th, 2011

Java's main feature is platform independent and it can run anywhere on any platform so this makes Java good and comfortable.

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Lokesh M

 Profile Answers by Lokesh M Questions by Lokesh M

• Nov 28th, 2011

You can make use of getObjectSize function to find size of the Object.

Code
long getObjectSize(Object objectToSize)

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javainterface X{
void m1();
void m2();
}

class Child2 extends Object implements X {

public void m1(){
System.out.println("Child2 M1");
}
public void m2(){
System.out.println("Child2 M2");
}

}
public class ParentChildInfterfaceDemo {

public static void main(String[] args){
X...

bholanath das

• Dec 19th, 2011

yes, x.equals(x1) will work .even though the reference is type of interface type but the object is type of child2 which is referred by this reference variable and this Child2 class does not have the ...

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Sandhya.Kishan

 Profile Answers by Sandhya.Kishan Questions by Sandhya.Kishan

• Mar 7th, 2012

The methods IloCplex.readSolution and IloCplex.writeSolution is used to read a sol file in java script.

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In Java, a class is a type, similar to the built-in types int and boolean. Declaring a variable does not create an object. Explain the mechanism to create an object.

Nitin Vavdiya

 Profile Answers by Nitin Vavdiya Questions by Nitin Vavdiya

• Jan 30th, 2012

There are four different ways (I really dont know is there a fifth way to do this) to create objects in java: 1. Using new keyword This is the most common way to create an object in java. I read s...

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giriraj tiwari

• Jan 12th, 2012

Following command can be tried to check version of installed Java in our windows machine machine:

java -version

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I am trying to develop a small application. In this i have provided registration and login form. Username and password are stored in the JNDI server. This application is working fine. but when i am restarting the server, all the bind variables are deleting. why? i want to store them permanently. can you provide me the solution.
Thanks in advance.

Habib Ali

• Jun 11th, 2014

To avoid unwanted parsing in SQL Engine for identical statements, we issue a Bind Variable which is the property of Client Program...You cannot change the scenario here

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Lokesh M

 Profile Answers by Lokesh M Questions by Lokesh M

• Feb 10th, 2012

Cloneable interface is a marker interface and has no members. Cloneable is used whenever you want to manipulate a copy of the object without altering the original object. It is used to indicate that...

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I am new to java...if I passed out the SCJP exams then how it would be beneficial at time of job..interviews???

Anon

• Mar 9th, 2012

Preparing for SCJP helps you to become familiar with the basic concepts and their application in java and also the java syntax. It will be a certificate that will tell your prospective employers that ...

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What is the exact use of abstract class and interface?

Vinodh Avala

• May 23rd, 2012

Abstract class is like any normal class with the only difference that it cannot be instantiated on its own. Normal class operations like constructor overloading, method overloading etc can be done.An ...

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Explain polymorphism to your 7 year old nephew.

y.v.padmavathi

• Nov 26th, 2015

The name polymorphism actually specifies some meaning like poly-many and morphus-structure. it is the ability to take more than one form. ex: If we explain the techniques required for drawing then w...

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How do i write a module to keep count of the amount of guesses it takes to guess the number correctly?

Abhishek Mishra

 Profile Answers by Abhishek Mishra Questions by Abhishek Mishra

• Oct 8th, 2014

"c # This is a guess the number game. import random guessesTaken = 0 print(Hello! What is your name?) myName = input() number = random.randint(1, 20) print(Well, + myName + , I am...

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class A ______ B ______ C { } // line 4

a) The 1st blank should be extends and the 2nd blank should be implements.

b) The 1st blank should be implements and the 2nd blank should be extends.

c) B is a class and C is an interface

d) B and C can be either class or interface depending upon the placement of extends or implements in the 1st or 2nd blank.

Abhinav Rohatgi

• Mar 30th, 2013

A) is the correct answer because a class firstly extends another class & then implements interface.

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