Declaring a public class in Java [duplicate]

Question

I have run this code and looked online for solutions. How can I fix this error? I saved PastPresentFuture.java and it still won't run.

YourName.java:7: error: class PastPresentFuture is public, should be declared in a file named PastPresentFuture.java
public class PastPresentFuture
       ^
1 error

Code:

//Name
//Date
//Chapter and problem #
//Application prompts user to enter month, day, year 
import java.util.*;
import java.time.LocalDate;
public class PastPresentFuture
{
   public static void main (String[] args) 
   {
      LocalDate today = LocalDate.now(); //Creates the local class of today
      int mo, da, yr;
      int todayMo, todayDa, todayYr;
      Scanner input = new Scanner(System.in);
      todayMo = today.getMonthValue();
      todayDa = today.getDayOfMonth();
      todayYr = today.getYear();

//Input month, day and year enter text for month, day and year
      System.out.print("May");
      mo = input.nextInt();
      System.out.print("18");
      da = input.nextInt();
      System.out.print("2018");
      yr = input.nextInt();

//Reference if and else statement example on p. 274 
//Display text statements shown as (1, 2, 3, 4) on p. 295 for this problem
      if(yr != todayYr)
         System.out.println(yr + todayYr);
      else
         if(mo < todayMo)
            System.out.println(mo + todayMo);
         else
            if(mo > todayMo)
               System.out.println(mo +todayMo);
            else
               System.out.println(mo +todayDa);
   }
}

Please search first

Hovercraft Full Of Eels
– Hovercraft Full Of Eels

2018-05-19 03:44:33 +00:00
Commented May 19, 2018 at 3:44 — Hovercraft Full Of Eels
– Hovercraft Full Of Eels, Commented May 19, 2018 at 3:44

HamishD · Accepted Answer · 2018-05-19 03:42:33Z

1

Your class is called PastPresentFuture and I'm guessing by the error message that your file is not PastPresentFuture.java. you need to change it to be that so it matches the class name.

Edit: This only applies to public classes.

answered May 19, 2018 at 3:42

HamishD

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2 Comments

Andy Turner Over a year ago

This is only required for public classes, but it is good practice to name all files for the top level class it declares, public or otherwise (e.g. to help you find the source for a class).

HamishD Over a year ago

@AndyTurner Agreed, I was just pointing out the fact that you could if you wanted to change the names for non-public classes.

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