/* ArithExprEvaluator.java
** An instance of this class evaluates arithmetic expressions.
**
** Author: R. McCloskey and ...
** Date: October 2019
** CMPS 144
*/

public class ArithExprEvaluator {


   /* Evaluates the given arithmetic expression and returns the result.
   ** pre: The expression is syntactically valid.
   */
   public int evaluate(String expr) {    // STUB!
      return 0;
   }

}