#include <jni.h>#ifdef _WIN32#define PATH_SEPARATOR ';'#else /* UNIX */#define PATH_SEPARATOR ':'#endif#define USER_CLASSPATH "." /* where Prog.class is */main() {    JNIEnv *env;    JavaVM *jvm;    JDK1_1InitArgs vm_args;    jint res;    jclass cls;    jmethodID mid;    jstring jstr;    jobjectArray args;    char classpath[1024];    /* IMPORTANT: specify vm_args version # if you use JDK1.1.2 and beyond */    vm_args.version = 0x00010001;    JNI_GetDefaultJavaVMInitArgs(&vm_args);    /* Append USER_CLASSPATH to the end of default system class path */    sprintf(classpath, "%s%c%s",            vm_args.classpath, PATH_SEPARATOR, USER_CLASSPATH);    vm_args.classpath = classpath;    /* Create the Java VM */    res = JNI_CreateJavaVM(&jvm,&env,&vm_args);    if (res < 0) {        fprintf(stderr, "Can't create Java VM\n");        exit(1);    }    cls = (*env)->FindClass(env, "Prog");    if (cls == 0) {        fprintf(stderr, "Can't find Prog class\n");        exit(1);    }     mid = (*env)->GetStaticMethodID(env, cls, "main", "([Ljava/lang/String;)V");    if (mid == 0) {        fprintf(stderr, "Can't find Prog.main\n");        exit(1);    }    jstr = (*env)->NewStringUTF(env, " from C!");    if (jstr == 0) {        fprintf(stderr, "Out of memory\n");        exit(1);    }    args = (*env)->NewObjectArray(env, 1,                         (*env)->FindClass(env, "java/lang/String"), jstr);    if (args == 0) {        fprintf(stderr, "Out of memory\n");        exit(1);    }    (*env)->CallStaticVoidMethod(env, cls, mid, args);    (*jvm)->DestroyJavaVM(jvm);}