Calling Java program from Non-Java code

[mini mehta]

Hi

Is there any way to call java code from non-java and return a exit code from java program to non-java program.

example calling a java batch program from a shell script.

Thanks

[Jan Cumps]

Yes.

You can call your java program just like any other program.
To return a status code to the calling program, use System.exit(n).

Regards, Jan

[rohit leeta]

If Jan's solution does not work for you you can learn JNI api. It allows you to crease a JVM and run Java programs from C/C++ programs.

[Deepak Bala]

Originally posted by mini mehta:
Hi

Is there any way to call java code from non-java and return a exit code from java program to non-java program.

example calling a java batch program from a shell script.

Thanks

You could have a java function called from your program through the use of JNI

[Jan Cumps]

I was aiming for the simplest solution, because the requestor was asking for a shell script example.

The shell script could look like this (unix-like pseudocode):

...
java my.package.MyClass
echo $?
...

where the environment variable $? holds the value returned by the java program.

Regards, Jan