String method cannot be found in a main class method

Question

I have about a one year experience programming Java  I made a static method located in the main class  and for some reason  whenever I compile it gives me an error saying that the compareTo   method from the String class can t be found   Here s the method     public static void displaySpecificResort String resortName  Resort   resortList             int low   0       int high   resortList length - 1       int mid       while  low  lt   high                 mid   low    high - low           if  resortList mid  compareTo resortName  lt 0              low   mid   1          else if  resortList mid  compareTo resortName  gt 0              high   mid - 1                else resortList mid  display                 if resortList mid  getName   compareTo resortName    0          System out println  Resort could not be found           Here s the error it gives me when I try and compile   ResortOrganizer java 157  error  cannot find symbol         if  resortList mid  compareTo resortName  lt 0                                  symbol    method compareTo String    location  class Resort  ResortOrganizer java 159  error  cannot find symbol         else if  resortList mid  compareTo resortName  gt 0                                       symbol    method compareTo String    location  class Resort  2 errors  Can someone explain why it does this  I have a feeling I m forgetting something important

User · Accepted Answer

It seem like your Resort method doesn t declare a compareTo method  This method typically belongs to the Comparable interface  Make sure your class implements it   Additionally  the compareTo method is typically implemented as accepting an argument of the same type as the object the method gets invoked on  As such  you shouldn t be passing a String argument  but rather a Resort    Alternatively  you can compare the names of the resorts  For example  if  resortList mid  getResortName   compareTo resortName  gt 0

[java] String method cannot be found in a main class method

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