/* Java class that implements the Runnable interface, making
** its instances suitable for becoming "resident runnables"
** of threads.  This class generalizes the PrintGrisGrop class
** by giving the client program the ability to choose which string
** is to be printed and how many times (by its run() method).
** (This data is supplied by the client to this class's constructor.)
*/

public class StringPrinter implements Runnable {

   // instance variables
   // ------------------
   private String str;   // the string to be printed
   private int n;        // # of times to print it

   /* Establish the string to be printed by the run() method,
   ** and how many times it is to be printed.
   ** pre: numTimes >= 0
   */
   public StringPrinter(String s, int numTimes) {
      this.str = s;   this.n = numTimes;
   }

   /* Prints the string established at construction the
   ** number of times established at construction.
   */
   public void run() {
      // The loop iterates 1000*n times and prints
      // str only every thousandth iteration.  This
      // is for the purpose of making it more likely
      // that this output intersperses with that of
      // its caller.
      for (int i=0; i != 1000*n; i++) {
         if (i % 1000 == 0) {
            System.out.println(str);
         }
      }
   }
}