#include <jni.h> /* where everything is defined */

#include <string>

#include <iostream>

int main(int argc, const char **args) {

JavaVM *jvm; /* denotes a Java VM */

JNIEnv *env; /* pointer to native method interface */

JavaVMInitArgs vm_args; /* JDK/JRE 6 VM initialization arguments */

JavaVMOption* options = new JavaVMOption[1];

options[0].optionString = (char *) "-Djava.class.path=/usr/lib/java:.";

vm_args.version = JNI_VERSION_1_6;

vm_args.nOptions = 1;

vm_args.options = options;

vm_args.ignoreUnrecognized = false;

/* load and initialize a Java VM, return a JNI interface

* pointer in env */

JNI_CreateJavaVM(&jvm,

((void **) (&env)),

((void *) (&vm_args)));

delete options;

/* invoke the Main.test method using the JNI */

jclass cls = env->FindClass("Main");

if(NULL == cls) {

std::cerr << " Can't find class main" << std::endl;

} else {

jmethodID mid = env->GetStaticMethodID(cls, "test", "(I)V");

if(NULL == mid) {

std::cerr << "Class Main has no method named test" << std::endl;

} else {

env->CallStaticVoidMethod(cls, mid, 100);

}

}

/* We are done. */

jvm->DestroyJavaVM();

}