import java.io.*;
 class Other
{
public static PrintStream wise;
static
{
try{
wise=new PrintStream(new FileOutputStream("abc.txt"));
}
catch(Exception e)
{

}
}

}
public class AB
{
public static void main(String arg[])
{
Other.wise.println("hi");
}
}
This will print hi on a file abc.txt
some thing like this is written in class System. A static 
object out of PrintStream Class is defined in static block 
and connected to a Stream Connected to Console.So everythin 
that we write with in print()method comes out as output