Source of ExpressionTreeInterface.java

Structures and functions

  1: package TreePackage;
  2: /**
  3:    An interface for an expression tree.
  4:    
  5:    @author Frank M. Carrano
  6:    @author Timothy M. Henry
  7:    @version 4.0
  8: */
  9: public interface ExpressionTreeInterface 
 10:                  extends BinaryTreeInterface<String>
 11: {
 12:    /** Computes the value of the expression in this tree.
 13:        @return  The value of the expression. */
 14:    public double evaluate();
 15: } // end ExpressionTreeInterface