start jvm from c++ using jni

copy some of this from oracle sample code:

 

 

 1 int _tmain(int argc, _TCHAR* argv[])
 2 {
 3     JavaVM *jvm;       /* denotes a Java VM */
 4     JNIEnv *env;       /* pointer to native method interface */
 5     JavaVMInitArgs vm_args; /* JDK 1.1 VM initialization arguments */
 6     JavaVMOption options[2];
 7     vm_args.version = 0x00010001; /* New in 1.1.2: VM version */
 8     /* Get the default initialization arguments and set the class 
 9      * path */
10     JNI_GetDefaultJavaVMInitArgs(&vm_args);
11     vm_args.nOptions=1;
12     vm_args.options = options;
13     vm_args.options[0].optionString = "-Djava.class.path=.";
14     vm_args.options[1].optionString = "-verbose:jni";
15 
16     /* load and initialize a Java VM, return a JNI interface 
17      * pointer in env */
18     JNI_CreateJavaVM(&jvm, (void**)&env, (void**)&vm_args);
19     /* invoke the Main.test method using the JNI */
20     jclass cls = env->FindClass("Main");
21     jmethodID mid = env->GetStaticMethodID(cls, "test", "(I)V");
22     env->CallStaticVoidMethod(cls, mid, 100);
23     /* We are done. */
24     jvm->DestroyJavaVM();
25 
26     return 0;
27 }

Note:

1. must set path to include jre's bin and \bin\server folder(which has jvm.dll I need), can't copy jvm.dll to exe folder, doesn't work.

2. set include path ($(jdk)\include; $(jdk)\include\win32)

3. add jvm.lib during link