Run exe file from java program

The code shows how to call external program from java code.

To run example include the code below in the runexe.java file, compile and execute it.

class runexe
{
public static void main(String[] args)
{
Runtime r =Runtime.getRuntime();
Process p =null;
String cmd[]={"notepad","f:/mytext.txt"};
try{
p=r.exec(cmd);
}
catch(java.lang.Exception e)
{}
}
}