Can Xcode 4.5.1 compile/run java?

When you create the project, there is a Build Tool text field. Enter the path to the Java compiler there.
If you've already created the project, select the project from the project navigator on the left side of the project window to open the project editor. Select your target from the left side of the project editor. Click the Info button at the top of the editor. Enter the path to the Java compiler in the Build Tool text field.

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Running java fro DOS windows

Hi, can somebody tell me how to run java files from the DOS window, in windows??? thanks

joej wrote:
ok, thanx, i did and i found i should write this javac javafile.java, but when i did i got this error "javac is not recognized as an internal or external command, operable program or batch file, what does that mean or what could it be causing it?In the dos-shell, when you type "javac" or any other commands, the shell searches it's available path for the command. In this case, "javac" was not included as part of the path that the does shell searches and therefore it returned that error.
Go to google and search for how to add javac to source path.

Compiling / Running a Java file in JSP

Hi,
ok, I have a jsp page, which we will call page 1. Once I go to that page, I all I want it to do is compile a certain file.java, and then run the file.java. The user doesn't actually know that this is going on in the background. Page 1 automatically redirects the user to page 2 (also a jsp page).
The java program that I created (that was previously compiled and ran) creates a special javascript file. After running the file.java in page #1, the java file creates a javascript file that will be used in page 2 to display a tree node (group of information).
so, right now, I'm trying to figure out how to write the jsp code that will tell how to compile and run a java file. I was thinking about using javabeans before, but I think you HAVE to actually display the contents of the java file into the jsp (I think). Anyhow, thanks for the help!

sorry about being ambiguous before. What I mean by
running a java file was that I already created a java
file. I don't want to hava my java statements inside
the jsp file. I just want the jsp file have a command
in it that would call a java file, tell the java file
to compile and run. All the jsp file would do
(hopefully) is just give commands for a seperate java
file to compile and run. Thanks again for any help!Ok, so this other java file has some entry-point method, like main(), right? So call it...
<%
YourJavaClass.main(appropriateArgumentsGoHere);
%>
or better yet, it's an object you can use:
<%
YourJavaClass x = new YourJavaClass();
x.callSomeMethodHere(withAppropriateArgumentsHere);
x.callAnotherMethodMaybe();
%>
You don't need the jsp file to "compile" this java file, you'd already have compiled it beforehand, and it's class bytecode needs to be in your classpath (on the server side) of course.

Can't run java program with GUI

My computer can run java program properly.
However, for those program with GUI (using swing),
my computer is unable to display the GUI.
What's wrong with it? Is there any PATH I need to set before running GUI program?
Thanks
icedgold

Cut, copy, paste then compile and run this;-import java.awt.*;
import javax.swing.*;
public class MyJFrame extends JFrame {
public MyJFrame() {
      super("My first JFrame");
      Container c = getContentPane();
      JPanel panel = new JPanel();
      panel.setBackground(Color.white);// (new Color(255, 255, 255));
      JLabel jl = new JLabel("Yes it works");
      panel.add(jl);
      c.add(panel);
public static void main(String[] args) {
    MyJFrame frame = new MyJFrame();
    frame.setSize(180,120);
    frame.setLocation(200, 300);
    frame.setDefaultCloseOperation( EXIT_ON_CLOSE );
    frame.setVisible(true);
}

Can't run java at all

Hello!
I have a 600 megahertz Intel Pentium III machine running Windows 98 SE. I use the following browsers: Netscape 4.79, 6.2 and internet explorer 6.
I was able to run java applications on my computer very well. I purchased a program to make web buttons. The program worked very well for a time and it just stop working after a while. I contacted them and was told to upgrade my jvm machine by downloading the newest msjavx86.exe from microsoft and installing it to see if it will solve my problems. It did not work.
I get this message everytime that I try to use the program:
"Can't find the file "BtnAuthor.class" can't execute class "
I'm unable to run any java and all I see are grey boxes with codes. Any idea of what could be wrong or how to fix this problem.
Thanks for your time at reading this
Ann :-)

Well, I'm quite unfamiliar with this. I just opened the java console on netscape 4.79 (my favorite) and I got the following:
Netscape Communications Corporation -- Java 1.1.5
Type '?' for options.
Symantec Java! ByteCode Compiler Version 210.065
Copyright (C) 1996-97 Symantec Corporation
Then I pressed the "?" and got the following:
Netscape Communications Corporation -- Java 1.1.5
Type '?' for options.
Symantec Java! ByteCode Compiler Version 210.065
Copyright (C) 1996-97 Symantec Corporation
Netscape Java Console Commands:
b: break into the debugger (Windows only)
c: clear console window
d: dump applet context state to console
f: finalize objects on finalization queue
g: garbage collect
h: print this help message
l: capture all classes loaded by an applet to a directory
m: print current memory use to console
q: hide console
s: dump memory summary to "memory.out"
t: dump thread info to "memory.out"
x: dump memory to "memory.out"
X: dump memory (detailed) to "memory.out"
0-9: set applet debug level to <n>
I'm not sure if I should explore any of this options at this time. I have no idea of how to write a simple java on my own. The button program was supposed to do the writing and I was just supposed to paste it it in the html.
Thanks for helping me! :-)

Compiling and running Java programs on my laptop

I have just bought a new laptop but I can't run and compile Java programs using the javac filename.java command in the command prompt. I know I have to download something but I am not sure what link. I would be grateful if somebody could send me on a URL. My O/S is Windows XP. Can somebody advise please?

If you just want to run java applications, you just need the JRE: J2SE 5.0 JRE
If you want to compile java source code, you need the JDK: J2SE 5.0 JDK
It includes also the JRE. Recommended is also the J2SE 5.0 Documentation that contains the javadoc API that describes all the Java classes.
To start develeoping I recommend the Java Tutorial: http://java.sun.com/docs/books/tutorial/

How to compile and run java files on a mac using command line?

can someone tell me or link me to some article on how to compile and run java files from command line on a mac? I have mac OS X leopard

What do you mean by "where to put them" ? What do you want to put anywhere ?
Have you read Peter's comment in brackets ? Perhaps you have a classpath problem ?
Edited by: Michael_Knight on Aug 31, 2008 4:23 AM

Compile and run java programs in different directroy

Hi,
I often encounter many problems when I run java programs in the different directories. Like
javac -d dir_name a.java
java -cp dir_name a
Something wired often happens, such as, there is not a.java file in some directory, but javac -d dir_name a.java can still work or "java -cp dir_name a" often doesn't work. Moreover, file_name.jar is also a tough problem and solving compiling problems is often time-consuming.
So I hope to read something about how to compile and run java programs in different directory properly.
Could you pleae give me a detailed description for that or recommend a book or website?
Thanks a lot.

Can you post a small amount of code that does not work, including the directory structure, and the error messages? Some one here can likely explain the problem.

Can't Run Java Programs -- java.lang.NoClassDefFoundError Error

I am running 10.4.11. For some reason I can no longer run Java programs. (I could in the past)
For example. I create a simple Hello World program as follows and save it as Hello.java:
class HelloWorld
public static void main (String args[])
System.out.println("Hello, world!");
Then I compile it:
Javac Hello.java
Then I try to run it:
java Hello
But I get this error:
Exception in thread "main" java.lang.NoClassDefFoundError: Hello
I think it must be a CLASSPATH problem but normally you do not need to worry about ClassPATH. Apple sets it up for you out of the box.
What is wrong?

I totally forgot that the class name should be the same as the filename.
After I renamed the file to HelloWorld.java and recompiled, I could run "java HelloWorld"
Rob

How to run java using xcode?

i have to install "java developer " but i can't find, where i can run Java, Please give me information about "how to run java use xcode " ?

Download the SDK from Oracle, code, enjoy.

Where can i find a Free Compiler that runs in Dos or something

Where can i find a Free Compiler that runs in Dos or something

Where can i find a Free Compiler that runs in Dos or
somethingDos or something? Well why not use Windows XP. It's certainly something and Java can be freely downloaded from the Sun site.

Help:Compiling and running Java Midlets?

Hello,
I am a fresh learner in Java.I am finding it very difficult to compile and run Java Midlets on the Computer system.Also,i will like to tranfer the Sourcecodes to a PDA i.e install it on the PDA and have the application walking well.Please help.Thank you.

You will get all the detailed steps ( have a look at the ff link) to configure the sun wireless toolkit on a PC , midlet compiling, running , uploading to the Palm PDA and testing it on the device. As for the connection, you can use the hot synch cable or a bluetooth hot synch.
http://developers.sun.com/techtopics/mobility/midp/articles/palm
Cheers!,
Birhanu

Urgent! Pls help me! Can't compile any *.java files

I am a new user to Java2SDK. I am using Win2K sever and I have installed Java2SDK1.4.0 in D drive. When I compile any *.java files, a message " 'javac' is not recognized as an internal or external command, operable program or batch file" appears. How can I solve this problem?
Please help me. I am busy with my homework. Thank you very much.

In your PATH variable include %JAVA_HOME%\bin;
For example:
C:\jdk1.4\bin;

How to Set up the variables and others to compile and Run Java Programs

Hello,
I have just downloaded the jdk1.6.0_07 and jre1.6.0_07 and installed it in C:\Program files\Java in my Windows XP ,So please tell me how to sett up the enviroment variables etc to compile and run Java Programs from Command Prompt.
thanks

To set the PATH permanently, add the full path of the jdk1.6.0_<version>\bin directory to the PATH variable. Typically this full path looks something like C:\Program Files\Java\jdk1.6.0_<version>\bin. Set the PATH as follows on Microsoft Windows:
1. Click Start > Control Panel > System on Windows XP or Start > Settings > Control Panel > System on Windows 2000.
2. Click Advanced > Environment Variables.
3. Add the location of bin folder of JDK installation for PATH in User Variables and System Variables. A typical value for PATH is:
C:\Program Files\Java\jdk1.6.0_<version>\bin

Hw do u run java programs in xcode 4?

hw do u run java programs in xcode 4?
pls tell the detailed steps fr running a java program

Here is a document dated 2009: Introduction to Jar Bundler User Guide - Apple Developer
...I don't think JB is included now.

Can Xcode 4.5.1 compile/run java?

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