description

// Creates an interface that can store both doubles and Strings in the same ArrayList

interface SuperVariable {
  String getString();
  // returns String if String is stored
  boolean isString();
  // denotes whether SuperVariable is a SuperString or a SuperDouble
  double getDouble();
  // returns double if double is stored
  String getName();
  // requires each variable to have a name (this is for tracking purposes and sorting within multiple ArrayLists)
}


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class SuperString implements SuperVariable {
  String dataText;
  double dataNum;
  String name;
  // Creates a SuperString with a name and a stored String
  SuperString(String n, String data) {
    dataText = data;
    this.name = n;
  }
  // because a String is stored, it returns the string data
  String getString() {
    return dataText;
  }
  // because it is a String, returns true
  boolean isString() {
    return true;
  }
  // returns null because dataNum is never instantiated
  double getDouble() {
    return dataNum;
  }
  //returns the name of the String Data
  String getName() {
    return name;
  }
}


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// utilized for double variables.
class SuperDouble implements SuperVariable {
  String dataText;
  double dataNum;
  String name;
  //Creates a SuperDouble with name n and stored 
  SuperDouble(String n, double d) {
    dataNum = d;
    name = n;
  }
  // returns null because String is never instantiated
  String getString() {
    return dataText;
  }
  //returns false because Double is stored
  boolean isString() {
    return false;
  }
  //returns stored double
  double getDouble() {
    return dataNum;
  }
  //returns name of variable
  String getName() {
    return name;
  }
}