Source of 11.6.java

Structures and functions

  1: public boolean isEmpty()
  2: {
  3:    return (firstNode == null) && (lastNode == null);
  4: } // end isEmpty
  5: 
  6: public void clear()
  7: {
  8:    firstNode = null;
  9:    lastNode = null;
 10: } // end clear
 11: // Version 4.0