class CounterTest {
   public static void main(String[] args) {
      Counter c1 = new Counter(100);
      System.out.println(c1.getValue());
      for (int i = 1; i <= 99; i++)
         c1.click();
      System.out.println(c1.getValue());
      c1.click();
      System.out.println(c1.getValue());
      c1.click(); c1.click();
      System.out.println(c1.getValue());
      c1.reset();
      System.out.println(c1.getValue());
   }  // end of main()
}  // end of class CounterTest

class Counter {
   private int value;
   private int limit;
   public Counter(int limit) {    // constructor
      this.limit = limit;    // note use of this
      value = 0;
   }
   public int getValue() {
      return value;
   }
   public void click() {
      value = (value + 1) % limit;
   }
   public void reset() {
      value = 0;
   }
}  // end of class Counter