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indeed, you need to be a lot more specific.
Luc Pattyn [My Articles] Nil Volentibus Arduum
The quality and detail of your question reflects on the effectiveness of the help you are likely to get. Please use <PRE> tags for code snippets, they improve readability. CP Vanity has been updated to V2.3
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I want a program in Java that have two forms server and client
there are in client 2 text box and one button
that when we insert 2 number in two text box and click ok button send numbers to server and Sum 2 number in server then post to client and show result number
tnx
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The first thing I would recommend is that you read point (2) of the Forum Guidelines. If you have a question people will be happy to help but no-one on this forum is going to do your homework for you.
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You do not give much of a clue as to what level of experience you have of writing Java programs, but I expect you can find most of what you want from here[^].
The best things in life are not things.
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hi
i coded Set program but when i want to run this code it says NO MAIN CLASSES FOUND!!!
whats wrong?
code:
package set;
import java.util.Scanner;
import java.io.IOException;
import java.awt.*;
import java.applet.*;
public class Set {
private char[] a;
public Set(char a[]){
for(int i=0;i<a.length;++i)
a[i]=0;
}
public void get() throws IOException{
Scanner inp=new Scanner(System.in);
System.out.println("enter set A:");
for(int i=0;i<a.length;++i)
a[i]=(char)System.in.read();
}
public void print(){
for(int i=0;i<a.length;++i)
System.out.print(a[i]);
}
public void main(String[] args) throws IOException {
Set c=new Set(a);
c.get();
c.print();
}
}
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The standard signature for main in Java is:
public static void main(String[] args)
Your definition omitted the static modifier.
The best things in life are not things.
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please help me.. how to build simple Content Based Image Retrieval using java
and how to storing database multimedia such as image database..
using xml or another??
please help..
need helping
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hendrik.sps wrote: need helping
That much is clear, but your question is far too large for a forum like this. Take a look at the Java Tutorials[^] for ideas on the classes you would need and how to access database information.
The best things in life are not things.
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simple Content Based Image Retrieval
what's that? please explain what's meant. A good answer should be worth more than 4 word of explanation.
pictures can be stored in databases - otherwise you would not be able to see them on your favorite por on the web
regards
Torsten
I never finish anyth...
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hi ,
I want to record audio from microphone and video from webcam when click on button and allow user to store it on local derive and then allow user to play back it .
then i want to transfer it through network by using RTP protocol , how i can make it in netbeans program with java ??
thanks .
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That's a fairly big request which really cannot be answered in a forum like this. Try a bit of research on the subjects you are interested in implementing: this page[^] could be a good starting point.
The best things in life are not things.
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Helo,
media streaming .... take a look to Adobe Flash.
Cu.
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its so easy to do it in JMF(JAVA Media FrameWork).
try to read about it.
gd luck
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hi
i coded a java class, now i need to change it to c++ code, but i am not expert in c++. can any body change the code to c++ for me?
plz i need it!!
public class Polynomial {
private int[] coef;
private int deg;
public Polynomial(int a, int b) {
coef = new int[b+1];
coef[b] = a;
deg = degree();
}
public int degree() {
int d = 0;
for (int i = 0; i &lt; coef.length; i++)
if (coef[i] != 0) d = i;
return d;
}
public Polynomial plus(Polynomial b) {
Polynomial a = this;
Polynomial c = new Polynomial(0, Math.max(a.deg, b.deg));
for (int i = 0; i &lt;= a.deg; i++) c.coef[i] += a.coef[i];
for (int i = 0; i &lt;= b.deg; i++) c.coef[i] += b.coef[i];
c.deg = c.degree();
return c;
}
public Polynomial minus(Polynomial b) {
Polynomial a = this;
Polynomial c = new Polynomial(0, Math.max(a.deg, b.deg));
for (int i = 0; i &lt;= a.deg; i++) c.coef[i] += a.coef[i];
for (int i = 0; i &lt;= b.deg; i++) c.coef[i] -= b.coef[i];
c.deg = c.degree();
return c;
}
public Polynomial times(Polynomial b) {
Polynomial a = this;
Polynomial c = new Polynomial(0, a.deg + b.deg);
for (int i = 0; i &lt;= a.deg; i++)
for (int j = 0; j &lt;= b.deg; j++)
c.coef[i+j] += (a.coef[i] * b.coef[j]);
c.deg = c.degree();
return c;
}
public Polynomial compose(Polynomial b) {
Polynomial a = this;
Polynomial c = new Polynomial(0, 0);
for (int i = a.deg; i &gt;= 0; i--) {
Polynomial term = new Polynomial(a.coef[i], 0);
c = term.plus(b.times(c));
}
return c;
}
public boolean eq(Polynomial b) {
Polynomial a = this;
if (a.deg != b.deg) return false;
for (int i = a.deg; i &gt;= 0; i--)
if (a.coef[i] != b.coef[i]) return false;
return true;
}
public int evaluate(int x) {
int p = 0;
for (int i = deg; i &gt;= 0; i--)
p = coef[i] + (x * p);
return p;
}
public Polynomial differentiate() {
if (deg == 0) return new Polynomial(0, 0);
Polynomial deriv = new Polynomial(0, deg - 1);
deriv.deg = deg - 1;
for (int i = 0; i &lt; deg; i++)
deriv.coef[i] = (i + 1) * coef[i + 1];
return deriv;
}
public String toString() {
if (deg == 0) return "" + coef[0];
if (deg == 1) return coef[1] + "x + " + coef[0];
String s = coef[deg] + "x^" + deg;
for (int i = deg-1; i &gt;= 0; i--) {
if (coef[i] == 0) continue;
else if (coef[i] &gt; 0) s = s + " + " + ( coef[i]);
else if (coef[i] &lt; 0) s = s + " - " + (-coef[i]);
if (i == 1) s = s + "x";
else if (i &gt; 1) s = s + "x^" + i;
}
return s;
}
public static void main(String[] args) {
Polynomial zero = new Polynomial(0, 0);
Polynomial p1 = new Polynomial(4, 3);
Polynomial p2 = new Polynomial(3, 2);
Polynomial p3 = new Polynomial(1, 0);
Polynomial p4 = new Polynomial(2, 1);
Polynomial p = p1.plus(p2).plus(p3).plus(p4);
Polynomial q1 = new Polynomial(3, 2);
Polynomial q2 = new Polynomial(5, 0);
Polynomial q = q1.plus(q2);
Polynomial r = p.plus(q);
Polynomial s = p.times(q);
Polynomial t = p.compose(q);
System.out.println("zero(x) = " + zero);
System.out.println("p(x) = " + p);
System.out.println("q(x) = " + q);
System.out.println("p(x) + q(x) = " + r);
System.out.println("p(x) * q(x) = " + s);
System.out.println("p(q(x)) = " + t);
System.out.println("0 - p(x) = " + zero.minus(p));
System.out.println("p(3) = " + p.evaluate(3));
System.out.println("p'(x) = " + p.differentiate());
System.out.println("p''(x) = " + p.differentiate().differentiate());
}
}
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It is unlikely that anyone will have the time or inclination to do this for you. Perhaps if you explained what problem you are trying to solve someone may be able to make some useful suggestions.
[edit]Having looked again I think if you changed System.out.println to printf statements (and added \n character at the end of each format string) it may well compile.[/edit]
The best things in life are not things.
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Hi everyone im getting the following error message when i try to send a SOAP request. does anyone know how to fix it. im using SAAJ0537.
java.security.PrivilegedActionException: com.sun.xml.internal.messaging.saaj.SOAPExceptionImpl: Invalid Content-Type:text/html. Is this an error message instead of a SOAP response?
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Are the cleint and server both using the same SOAP message versions?
Panic, Chaos, Destruction.
My work here is done.
or "Drink. Get drunk. Fall over." - P O'H
OK, I will win to day or my name isn't Ethel Crudacre! - DD Ethel Crudacre
Have a bit more patience with newbies. Of course some of them act dumb -- they're often *students*, for heaven's sake. -- (Terry Pratchett, alt.fan.pratchett)
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Thanks very much for your response, here is the soap request im sending
<SOAP-ENV:Envelope
SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"
xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"
xmlns:enc="http://schemas.xmlsoap.org/soap/encoding/"
xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<SOAP-ENV:Header/><SOAP-ENV:Body>
<ans1:readLS xmlns:ans1="http://phonedirlux.homeip.net/types">
<String_1 xsi:type="xsd:string">your message or e-mail</String_1>
</ans1:readLS>
</SOAP-ENV:Body>
</SOAP-ENV:Envelope>
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I have added the faultcode to cater for version differences but still getting the same error message. im using the following as my url for the msg: to "http://www.pascalbotte.be/rcx-ws/rcx";
<?xml version="1.0" ?>
<env:Envelope xmlns:env="http://schemas.xmlsoap.org/soap/envelope/">
<env:Header>
<env:Upgrade>
<env:SupportedEnvelope qname="ns1:Envelope"
xmlns:ns1="http://www.w3.org/2003/05/soap-envelope"/>
</env:Upgrade>
</env:Header>
<env:Body>
<env:Fault>
<faultcode>env:VersionMismatch</faultcode>
<faultstring>Version Mismatch</faultstring>
</env:Fault>
</env:Body>
</env:Envelope>
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A valid SOAP response would be formatted using text/xml, so what is likely occurring is a standard HTTP 500 response error is being returned by the service (which would by default have a text/html content-type). You might want to double check that the request you're sending is valid and conforms to the contract of the service you're attempting to reach.
Hope this helps!
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I'm gonna do a project like "hearts" of Windows which playing online with 4 clients connecting from 4 computers
But I don't know where to start? Can anyone help me?
I looked for this kind of project on google, but it seem like impossible. Plz help me.....
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Requirements_analysis @ wikipedia.org[^]
Start here. write down as much as possible. Even if it's just you working on the project - this helps you to identify problems and to determinate the key-points.
I'm doing so momently too - figuring out what needs to be done, what shall be in and what shall not be in. Trying to figure out what can be done and sorting out the stuff which cannot be accomplished.
By the way - how are your programming skills? Don't try to do things you're not capable to do.
regards
Torsten
I never finish anyth...
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nhutanh18 wrote: But I don't know where to start?
Depends on what you already know.
Do you know how to display something in a browser?
Do you know how to set up a server?
Do you know how sockets work? Web services?
Do you know the rules of hearts?
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Do you know the rules of hearts?
You caught me on that one
That's a bigger point than expected. Trying to bring a simple cardboard game to a flowchart is often harder than expected.
regards
Torsten
I never finish anyth...
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Hi all,
i have a task to give a real look to a shirt after pasting a logo on it. I got idea from photoshop that by using
displace filter i can give a real look to my shirt with logo.
Now i have difficulties in making a displacement filter in java??
Any one can help me regarding this.. i have a little bit of code of the displacement filter but it is not giving me the correct results.
Results in distortion of whole image. So good ideas regarding handling of this problem is most welcome.
Hope to get result soon from you ppl.
thanx
uzair
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