/** Variable class
 *  A variable has a name and a nesting level.
 */
public class Variable
{
  private String name;
  private int nestLevel;
  
  public Variable(String name, int nestLevel)
  {
    this.name = name;
    this.nestLevel = nestLevel;
  }
  
  public String getName()
  {
    return name;
  }
  
  public int getNestLevel()
  {
    return nestLevel;
  }
  
  public String toString()
  {
    return name + "(" + nestLevel + ")";
  }
}