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Com calling code in Java

set include=c:\msdev\include
set lib=c:\msdev\lib
PATH=C:\SDK-JAVA\BIN;C:\WINDOWS;C:\WINDOWS\COMMAND;C:\DOS622;C:\MSDEV\BIN;

zzz.java

class zzz implements mmm.jjj
{
public int abc()
{
System.out.println("invoked from COM: abc") ;
return 5;
}
}

1. jvc zzz.java

mmm.odl

[uuid(BBBBBBB0-F601-11cf-BC7E-00A0C913D202)]
library mmmLib
{
importlib("stdole32.tlb") ;
[uuid(BBBBBBB1-F601-11cf-BC7E-00A0C913D202),odl]
interface jjj : IUnknown
{
int abc() ;
}
[uuid(BBBBBBB2-F601-11cf-BC7E-00A0C913D202)]                                             
coclass mmm
{   
interface jjj ;
}
};

2. mktyplib mmm.odl -h mmm.h
3. javatlb -d .\ mmm.tlb
4. jvc zzz.java

a.bat

rundll32 msjava.dll,RegisterJavaClass zzz {BBBBBBB2-F601-11cf-BC7E-00A0C913D202}

sjj.cpp

#define INITGUID
#include <windows.h>
#include "mmm.h"
#include <stdio.h>
char aa[100];
long  _stdcall zzz(HWND w,UINT x,UINT y,long z)
{
if ( x == WM_LBUTTONDOWN)
{
jjj *mp;HRESULT hr;
hr=CoCreateInstance(CLSID_mmm,0,CLSCTX_SERVER,IID_jjj,(void **)&mp);
hr=mp->abc() ;
sprintf(aa,"Return Value hr=%d..",hr);
MessageBox(0,aa,"hi",0);
MessageBox(0,"over","over",0);
}
if ( x == WM_DESTROY)
PostQuitMessage(0);
return DefWindowProc(w,x,y,z);
}
WNDCLASS a;HWND b;MSG c;
int _stdcall WinMain(HINSTANCE i,HINSTANCE j,char *k,int l)
{
a.lpszClassName="a1";a.hInstance=i;a.lpfnWndProc=zzz;
a.hbrBackground=GetStockObject(WHITE_BRUSH);
RegisterClass(&a);
b=CreateWindow("a1","kkk",WS_OVERLAPPEDWINDOW,0,0,0,0,0,0,i,0);
OleInitialize(0);
ShowWindow(b,3);
while ( GetMessage(&c,0,0,0))
DispatchMessage(&c);
}