To run an external program using Java you need to use the getruntime method. Its like using the shell method in VB.

In the example below the program will launch Netscape.

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try{
Runtime r = Runtime.getRuntime();
r.exec("C:\\Program Files\\Netscape\\Communicator\\Program\\netscape.exe");
}catch(Exception ex)
{
System.out.println("Error in executing program");
}