Loading user32.dll

[Venks]

hai,

  i want to hide task bar from my program, in c# user32.dll was used to hide the taskbar,

iam using user32.dll in my program as follows

import java.io.*;

public class NativeMFCMsg{
static { 
try {
//System.loadLibrary("user32");
System.load("C:\\WINDOWS\\system32\\user32.dll");
// 

System.out.println("Library user32 Loaded");

}catch(Exception e){
e.printStackTrace();
}
}

public native  static int FindWindow(String lpClassName, String lpWindowName);
public native static void ShowWindow(long hwnd ,long nCmdShow);


public static void main(String[] args){
try 
    {
NativeMFCMsg nm=new NativeMFCMsg();
System.load("C:\\WINDOWS\\system32\\user32.dll");

int n=nm.FindWindow("Shell_TrayWnd","");
nm.ShowWindow(n,0);
}
catch(Exception ex)
    {
ex.printStackTrace();
System.out.println("Error " + "\n" + ex.toString());
System.exit(1);
}
}
}

iam geeting error at runtime

Library user32 Loaded
Exception in thread "main" java.lang.UnsatisfiedLinkError: NativeMFCMsg.FindWind
ow(Ljava/lang/String;Ljava/lang/String;)I
        at NativeMFCMsg.FindWindow(Native Method)
        at NativeMFCMsg.main(NativeMFCMsg.java:29)

i doknow how to do this please help me...