URGENT: How do you distribute a Java program??
I've made a small program using Java and it turned out to work perfectly fine, but now I am wondering how to package it so that anyone can just double-click something and have it run. I tried packaging it into a Jar file, but nothing seems to work (i.e. I get some manifest error) I've looked at tutorials online and I've also used the Jar packager tool that is a part of the JCreator IDE.
I was also thinking about writing a dos batch file to have the program run from the command line; would that work as well??
What is the easiest /nicest way to have a Java program packaged?(Sun should really add a java/.class to *.exe converter in a future JDK...)
So many research-challenged people, and so little time.
Google for "Java EXE"
And no, Sun should NOT provide EXE output. EXEcutables are for a specific platform. Bytecode (.class files) are for platform independence, so that you CAN distribute the bytecode to run on any platform (any platform with a Java runtime, that is).
Similar Messages
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How can you get a java program working on a cell phone?
I was thinking of making some stuff for cell phones so i was wondering how you get a normal java program to work on cells.
its all j2me - midlet package....Huh? The jsr-118 MID profile alone has 11 packages, one of which is javax.microedition.midlet. Notj2me - midlet.
works best on nokia phones.Sez who? You seem to be confusing Java ME with Symbian C.
you can use net beans midlet packge add-on.Only it's called the NetBeans Mobiliity Pack.
Its easy to use and has lots of tutorials.Ditto for the Wireless toolkit for CLDC.
just search on google.Yes, but with which keywords?
@OP:
NetBeans mobility pack comes with a short tutorial and several samples, you also need to download the latest WTK as the ver. 2.2 which comes bundled with NetBeans is just too buggy to work with. Then there are the manufacturer-specific SDKs from Nokia, Motorola, Sony Ericsson and (maybe) others.
If and when you get started in Java ME aka j2me, it will be appropriate to post any questions you might have on the mobility forums, not here.
Google "j2me tutorial" for many good hits.
luck, db -
How do you start a java program with more RAM alloaction
Hi
can anyone please tell me how to start a java program to start with lots of RAM (RAM size is sent as a parameter), I have seen it somewhere and now I cant remember it. I have a server application to run this way.
thanks and rgds
sunilsee the tooldocs of java: http://java.sun.com/j2se/1.4/docs/tooldocs/tools.html
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How do you change a java program to a single file executable file?
Hey guys I'm back with another new to java question :)
i would like to have my java program that i made into an executable single file,
i currently have my project compressed into a JAR file,
and its working fine when i go click on it in the file that its in, it works fine but it has to be in that file to work... :(, i was wondering is there a way that i can have that file on its own to work, so that i can send it to someone and they just have to have that one file.
thanks for the helpIf you want a jar file to behave the same way no matter what directory it is in (or is run from) then you have to make sure that all resources it uses are included in the jar. Such resources could include images and sounds that the application uses. Or files that it references.
For instance thisFile foo = new File("foo.txt");is going to name a file that it is in the current directory (the directory the jarred or unjarred application was run from). If you move the jar, but don't move foo.txt then it won't be able to find the file.
Any of your code that directly or indirectly uses files will have to change to use resources within the jar archive instead.
If you get stuck, post some code. Something brief, compilable, runnable which shows what you mean by saying that it doesn't work. -
How do i run a java program an another directory?
How do I run a java program that's in a different directory?
I have been doing this in the command line:
java "C:\Document and Settings\freeOn\Desktop\Java\Test\test"
and I get
Exception in thread "main" java.lang.NoClassDefFoundError:
C:\Document and Settings\freeOn\Desktop\Java\Test\test
I just thought there might be a quick way to do this and not
have to cd to the following dir evertime i want to run an app in
console.
The test.java file is this:
import java.io.*;
public class test {
public static void main(String args[]) {
System.out.println("Testing.....");Ok I looked in the java help and found the classpath, this makes it alittle easier.
java -cp C:\DOCUME~1\freeOn\Desktop\Java\Test\ test
At least i can run this in the run dialog which makes it easier thanks for you help kota balaji -
How can i apply this java program for a jsp page?
import java.io.*;
import java.util.*;
public class FileProcessing
//create a vector container for the input variables
Vector variables = new Vector();
//create a vector container for the constants
Vector constants = new Vector();
/*create a string expression container for the equation
as read from the file */
String expression = " ";
//create double result container for the final result
double result = 0;
public boolean processFile(String filename,String delim)
//index for values vector
int num_values = 0;
//index for constants vector
int num_constants = 0;
//current line being read from the external file.
String curline = " ";
//start reading from the external file
try
FileReader fr = new FileReader(filename);
BufferedReader br = new BufferedReader(fr);
while(true)
curline = br.readLine();
if(curline == null)
break;
//determine the type of current interaction
boolean variable = curline.startsWith("input");
boolean constant = curline.startsWith("constant");
boolean equation = curline.startsWith("equation");
boolean output = curline.startsWith("result");
//on input variables
if(variable)
StringTokenizer st = new StringTokenizer(curline,delim);
int num = st.countTokens();
int count=0;
while(st.hasMoreTokens())
String temp = st.nextToken();
if(count==1)
byte b[]= new byte[100];
System.out.println(temp);
System.in.read(b);
String inputval = (new String(b)).trim();
variables.add(num_values,inputval);
num_values++;
count++;
// on constant values
if(constant)
StringTokenizer st = new StringTokenizer(curline,delim);
int num = st.countTokens();
int count = 0;
while(st.hasMoreTokens())
String temp = st.nextToken();
if(count==1)
byte b[]= new byte[100];
System.out.println(temp);
System.in.read(b);
String cons = (new String(b)).trim();
constants.add(num_constants,cons);
num_constants++;
count++;
// on equation
if(equation)
StringTokenizer st = new StringTokenizer(curline,delim);
int num = st.countTokens();
int count = 0;
while(st.hasMoreTokens())
String temp = st.nextToken();
if(count==2)
this.expression = temp;
count++;
// now we are ready to evaluate the expression
if(output)
org.nfunk.jep.JEP myparser= new org.nfunk.jep.JEP();
myparser.setAllowAssignment(true);
for(int i=1;i<variables.size()+1;i++)
String name = "arg"+Integer.toString(i);
myparser.addVariable(name,new Double(variables.get(i-1)
.toString()).doubleValue());
for(int i=1;i<constants.size()+1;i++)
String name = "arg" +Integer.
toString(i+variables.size());
myparser.addConstant(name,new Double(constants.get(i-1).toString()));
//output is obtained as follows
myparser.parseExpression(expression);
result = myparser.getValue();
System.out.println("Assay value: "+result);
catch(Exception e)
System.out.println(e.toString());
return true;
public static void main(String[] args)
FileProcessing fp = new FileProcessing();
fp.processFile("input.eqn",":");
}//my text file name is: "input.eqn" (given below)
input:Enter Value1:arg1
input:Enter Value2:arg2
input:Enter Value3:arg3
constant:arg4
constant:arg5
Equation:arg1+arg2+arg3
result:how can i apply this java program for a jsp pagewhy do you want to do this ?
Your program reads from a file on the disk and formats based on a patterm.
Jsp is not intended for such stuff.
ram. -
How can i run my java program with out java language
Hai to every one ..Iam new to java language ...am using windows xp operating system , i did not installed java language in my system .. how can i run a java program with out installing java language... Which files is requied to run java program..?
any one can help me??Hai to every one ..Iam new to java language ...am
using windows xp operating system , i did not
installed java language in my system .. how can i run
a java program with out installing java language...
you ... can ... not ... do ... this
Which files is requied to run java program..?
any one can help me??a JVM. Download it from sun's website.
[url http://java.sun.com/javase/downloads/index.jsp]Download JavaSE here -
How do you exit a frozen program, trying to open an exel
how do you exit a frozen program, trying to open an exel not realizibg my new mac book pro has no such software installed, .i keep getting the pretty color spinning wheel
As a very last resort, you can hold the power button for 10 seconds to force-stop the entire system. But stopping all processes (even the normal OSX routines "write" operations) can leave your system in need of file-system (but not HD physical) repair.
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How do you call a java class from the main method in another class?
Hi all,
How do you call a java class from the main() method in another class? Assuming the two class are in the same package.
Thanks
SI
Edited by: okun on May 16, 2010 8:40 PM
Edited by: okun on May 16, 2010 8:41 PM
Edited by: okun on May 16, 2010 8:47 PMgeorgemc wrote:
To answer your impending question, either the method you're calling has to be static, or you need an instance of that other class to invoke it against. Prefer the latterAnd to your impending question after that: no, don't use the Singleton pattern. -
How do you test your Java Pricing UserExits in eclipse?
How do you test your Java Pricing UserExits in eclipse?
do you have to deploy the java class on vmc server to debug it
Yes
- So, the classes have to be compiled error free and uploaded to VMC.
- VMC has to be restarted to test your classes.
- You have to set the log levels appropriately for your classes using SM53 / SM52.
- You can also perform VMC debug through Eclipse.
all of the details are available in the pricing exit manual* -
How do you use a specific program to open a specific file in java?
I want to use java to create a program that users get to pick what programs to open a file with and then opens it. For example, the user wants to open a .txt file. We all know that many programs can open that- MSWord, Textpad, Notepad etc. What i want to do is automatically open the file the user chose in a program that he chose. If the user wanted MSWord to open the .txt then MSWord will startup and the user should see the file. Samething applies for other programs. Anyone know how to implement this in java? I know you can open executibles but these arent those types... Thanks!
And then you still need - at least in Windows - register all of your files to be opened with your program so it can relay that call.
Frankly, I think I'd hate your program, ahving to make a chioce every time I want to open a file... I mean, how often does it happen that you want to open a file with any other program than the one you usually use? And Windows still has the "Open with..." dialog as well, if I really want to pick something else. -
How to send sms through java program?
hi,
i am trying to send sms through java program.i am usining ubuntu 6.04.i am using modem MC35i.i use the jSMSEnjine.jar and rxtxcomm.jar.
these are the following program.
import org.jsmsengine.*;
import java.util.*;
class SendMessage
public static void main(String[] args)
int status;
// Create jSMSEngine service.
CService srv = new CService("Com2",9600);
//CService srv = new CService("COM2",9600);
System.out.println();
System.out.println("SendMessage(): sample application.");
System.out.println(" Using " + srv._name + " " + srv._version);
System.out.println();
try
// Initialize service.
srv.initialize();
Thread thread =Thread.currentThread();
thread.sleep(1000);
System.out.println(srv);
// Set the cache directory.
srv.setCacheDir(".\\");
// Set the phonebook.
// srv.setPhoneBook("../misc/phonebook.xml");
// Connect to GSM device.
status = srv.connect();
// Did we connect ok?
int st=CService.ERR_OK;
System.out.println(st);
System.out.println(status);
if (status == CService.ERR_OK)
// Set the operation mode to PDU - default is ASCII.
srv.setOperationMode(CService.MODE_PDU);
// Set the SMSC number (set to default).
srv.setSmscNumber("");
// Print out GSM device info...
System.out.println("Mobile Device Information: ");
System.out.println(" Manufacturer : " + srv.getDeviceInfo().getManufacturer());
System.out.println(" Model : " + srv.getDeviceInfo().getModel());
System.out.println(" Serial No : " + srv.getDeviceInfo().getSerialNo());
System.out.println(" IMSI : " + srv.getDeviceInfo().getImsi());
System.out.println(" S/W Version : " + srv.getDeviceInfo().getSwVersion());
System.out.println(" Battery Level : " + srv.getDeviceInfo().getBatteryLevel() + "%");
System.out.println(" Signal Level : " + srv.getDeviceInfo().getSignalLevel() + "%");
// Create a COutgoingMessage object and dispatch it.
// *** Please update the phone number with one of your choice ***
// String smsLengthTest="Hi"+"\nTesting is going on.Test for sending unlimited number of charecter.So you will get N number of SMS.Initially I trancate the whole string by 70 charecter.Later I will put it upto 90 charecter.Some chararecter should kept for header portion.I don't know the total number.It is just test.If you got the sms u should appreciate me...This is Ripon...I have written sms program";
String smsLengthTest="Hi\n"+"This is Govindo";
int mao=smsLengthTest.length();
System.out.println("Length of sms :"+mao);
String smsNo="9433314095";
smsNo="+91"+smsNo;
if(mao<70)
COutgoingMessage msg = new COutgoingMessage(smsNo,smsLengthTest);
// Character set is 7bit by default - lets make it UNICODE :)
// We can do this, because we are in PDU mode (look at line 63). When in ASCII mode,
// this does not make ANY difference...
msg.setMessageEncoding(CMessage.MESSAGE_ENCODING_UNICODE);
if (srv.sendMessage(msg) == CService.ERR_OK) System.out.println("Message Sent!");
else System.out.println("Message Failed!");
else
// COutgoingMessage msg = new COutgoingMessage(smsNo,smsLengthTest);
// LinkedList messageList;
// messageList = new LinkedList();
// messageList.add(msg);
// LinkedList maooo=new LinkedList();
// maooo=srv.splitLargeMessages(messageList);
int sizelength=0;
int counter=0;
sizelength=smsLengthTest.length();
System.out.println("SMS length :"+sizelength);
int smsCntr=sizelength/70;
System.out.println("smsCntr :"+smsCntr);
counter=smsCntr+1;
int j=70;
int k=0;
try
for(int i=0;i<smsCntr;i++)
String test="";
test=test+i;
test=smsLengthTest.substring(k,j);
System.out.println(test);
System.out.println(test.length());
COutgoingMessage msg = new COutgoingMessage(smsNo, test);
System.out.println("hi this is suman" + smsNo);
// Character set is 7bit by default - lets make it UNICODE :)
// We can do this, because we are in PDU mode (look at line 63). When in ASCII mode,
// this does not make ANY difference...
msg.setMessageEncoding(CMessage.MESSAGE_ENCODING_UNICODE);
if (srv.sendMessage(msg) == CService.ERR_OK) System.out.println("Message Sent!");
else System.out.println("Message Failed!");
k=k+70;
j=j+70;
catch(Exception e)
System.out.println("Error...1");
e.printStackTrace();
e.getMessage();
String lastPortion=smsLengthTest.substring(k);
System.out.println(lastPortion);
COutgoingMessage msg = new COutgoingMessage(smsNo, lastPortion);
// Character set is 7bit by default - lets make it UNICODE :)
// We can do this, because we are in PDU mode (look at line 63). When in ASCII mode,
// this does not make ANY difference...
msg.setMessageEncoding(CMessage.MESSAGE_ENCODING_UNICODE);
if (srv.sendMessage(msg) == CService.ERR_OK) System.out.println("Message Sent!");
else System.out.println("Message Failed!");
// Disconnect from GSM device.
srv.disconnect();
else System.out.println("Connection to mobile failed, error: " + status);
catch (Exception e)
e.printStackTrace();
System.exit(0);
the error is:
SendMessage(): sample application.
Using jSMSEngine API 1.2.6 (B1)
org.jsmsengine.CService@addbf1
0
-101
Connection to mobile failed, error: -101
please help me,its very urgent.come back in about 5 years, we may have time for you by then.
In the meantime, how about contacting the people who wrote that library and asking them nicely for help (rather than trying to order people to drop whatever they're doing and jump through hoops to accommodate your every wish as you're doing here)? -
How can I use a Java program to write an executable Applescript
I'm using a PC with Windows XP. I'm a private developer. I've written a project in Java and wish to deploy it to other people using email. I've written an Install program (the Main-Class) and successfully packed this in a jar file with the project class files and some data files all as described in the deployment trail in the Java Tutorials. A recipient with a Mac with OS X downloads the jar file and runs it to install the project class files and some data files. The install program then writes an Applescript file (Vocab.scpt shown below) on the Desktop to make starting my downloaded program easier but it doesn't seem to work and I think it may be because the script file is not "executable". Could this be the case? If so, how could I change my install program to make the script file executable or alternatively use some other system to start the downloaded program?
Vocab.scpt:-
# Script to start: Vocab Version: 1.0.0
do shell script "cd /Applications/Vocab; Java Vocab"
Many thanks for your interest. Unfortunately I don't have a Mac to experiment with this problem and although I have spent some days on and off trying to find an answer in the mass of information available on Apple's website I can only find small clues here and there to answer my problem (which I would have thought was quite a common one). In Windows a batch file (eg. Vocab.bat) is automatically executable.I didn't expect you to have your customer run the command. I would expect you to create the executable and install it. However, there wouldn't be any difference in what you are creating and the .jar file. Either way it is a faceless icon. For that matter, it is no different than a batch file on Windows. I'm not sure what they wouldn't understand with, "copy the Vocab.jar file to wherever you want and double-click it to run the program." In addition, you probably ought to point out that Java is not installed on Mac OS X Lion (10.7.x) and when they double-click the jar file (or whatever you send them), the system will ask if they want to install Java.
What you really need to do is package up the app inside a Mac application package and provide the user with the application on a .dmg (disk image). Take a look here: http://developer.apple.com/library/mac/#documentation/Java/Conceptual/Jar_Bundle r/Introduction/Introduction.html#//apple_ref/doc/uid/TP40000884
I also found this which uses ANT to create the bundle: http://informagen.com/JarBundler/ -
How can I run a java program on Linux?
I have JBuilder's IDE installed on my Linux partition and it works. However I don't know how to compile and test a program without it. Also I tried to install Limewire on Linux and although I've installed the Java SDK on the system. Once before I installed JBuilder and then JBuilder (I guess) installed it again. However it told me it couldn't find the Java Virtual Machine. Isn't this installed with the JDK? I am able to run programs through JBuilder so I can't see why I'd have a problem. Any answers to the above issues would be greatly appreciated.
Go here and work out how to make a simple app to compile and run on the command line: http://java.sun.com/docs/books/tutorial/getStarted/cupojava/unix.html#2b
(You should find the JDK from a directory under the jbuilder directory so use that and not the /usr/local/jdk1.4 in the example.)
Then find the classes or source code of your project and do the same thing to it. -
Re:How to input database to java program
Hi...anyone can briefly teach me how to input my Microsoft access(database) folder into my Java program?
Or anyone have the java code to input data to the program?If i input do i need to declare a table first in it?
Help Appreciated.Thanks...so far i only understand to hardcode...Can any one teach or give the source to input my text file and system output the data in a drop down list.
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
public class ProductTable extends JFrame {
String[] colNames={"Product ID","Product Name","Product Information","Product Price $"};
Object [][] friendList = {{"1","Brown Bear, Brown Bear,What Do You See","Bill Martin Jr.","7.95"},
{"2","Moo Baa La La La","Sandra Boynton","5.99"},
{"3","Going-To-Bed","Sandra Boynton","5.99"},
{"4","Animal Kisses","Barney Saltzberg","7.95"},
{"5","Polar Bear, Polar Bear, What Do You Hear?","Bill Martin Jr.","7.95"},
{"6","Tigers At Twillight","Mary Pope Osbourne","3.99"},
{"7","But Not The Hippopotamus","Sandra Boynton","5.99"},
{"8","Best Word Book Ever!","Richard Scarry","11.19"},
{"9","Big Red Barn Board Book","Margaret Wise Brown","7.99"},
{"10","Pajama Time","Sandra Boynton","6.95"},
{"11","Time For Bed","Jane Dyer","6.95"},
{"12","Make Way For Ducklings","Robert McCloskey","12.59"},
{"13","Bear Snores On!","Karma Wilson","11.19"},
{"14","Giraffes Can't Dance","Giles Andreae","11.2"},
{"15","From Head to Toe Board Book","Eric Carle","15.37"},
{"16","Blue Hat, Green Hat","Sandra Boynton","3.25"},
{"17","Tails","Matthew Van Fleet","11.17"},
{"18","Richard Scarry's Day at the Airport","Richard Scarry","3.25"},
{"19","Richard Scarry's Best Storybook Ever!","Richard Scarry","11.19"},
{"20","Stellaluna","Janell Cannon","11.2"},
{"21","Salamandastron (Redwall, Book 5)","Brian Jacques","6.99"},
{"22","What Color Is Your Underwear?","Sam Lloyd","9.99"},
{"23","The Grouchy Ladybug","Eric Carle","7.99"},
{"24","Mr. Popper's Penguins","Richard And Florence Atwater","5.99"},
{"25","So Big!","Dan Yaccarino","7.99"},
{"26","On Noah's Ark","Jan Brett","10.95"},
{"27","Hey! Wake Up!","Sandra Boynton","6.95"},
{"28","Can You Cuddle Like a Koala?","John Buttler","5.99"},
{"30","Somebunny Loves Me: A Fuzzy Board Book","Joan Holub","4.99"}};
JTable table=new JTable(friendList,colNames);
JScrollPane scrollPane=new JScrollPane(table);
public ProductTable(){
Container contentPane=getContentPane();
contentPane.add(scrollPane);
setSize(500,200);
setVisible(true);
public static void main( String args[] )
ProductTable app = new ProductTable();
app.addWindowListener(
new WindowAdapter() {
public void windowClosing( WindowEvent e )
System.exit( 0 );
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