無法編譯主Java應用程序

Question

嘗試編譯我的應用程序時，出現了一些錯誤。

這是我的界面...

public interface userMessage { 
    public enum DisplayMessageID { 
     VALID, CMD_ERR, LOAD_ERR, 
     SAVE_ERR, DELETE_ERR, CONVERT_ERR, 
     FORMAT_ERR 
    } 

    String subuserMessage(DisplayMessageID DispMess); 
} 

這是我的一個類...

package terminal; 

public class UserCommunication implements userMessage { 

    public DisplayMessageID DisplayMessageID; 

    public UserCommunication (DisplayMessageID displaymessageid) { 
     this.DisplayMessageID = displaymessageid ; 
    } 

    // a method for Displaying messages 
    public String subuserMessage(DisplayMessageID DispMess) {   
     switch (DispMess) { 
      case CMD_ERR : 
       System.out.println("Terminal Sw Module cannot able to intrepret the input Command"); 
      break; 

      case LOAD_ERR :  
       System.out.println("Controller reports there is problem in fetching the file:" + "\n" + 
        "1 Check if the source file exits in Database" + "\n" + 
        "2 Check if Source path is right" + "\n" + 
        "3 Check if you have access to Database"); 
      break; 

      default: 
       System.out.println("VALLIDD."); 
      break; 

     } 
    return "ddd"; 
    } 
} 

這是我的主要程序...

package terminal; 

import terminal.userMessage.DisplayMessageID; 

public class DisplayMessage() { 

    public static void main(String[] args) { 
     UserCommunication user_comm_to_terminal = new UserCommunication(DisplayMessageID.LOAD_ERR); 
     System.out.println("Height of rectOne: "); 
    } 
} 

這些是我在編譯時遇到的錯誤...

1. 在行，public class Displaymessage：--- Syntax error on token "class", @ expected

2. 在行，public static void main(String[] args)： -

   Multiple markers at this line 
   - Syntax error on token "void", @ expected 
   - Syntax error, insert "enum Identifier" to complete EnumHeader 
   - Syntax error, insert "]" to complete ArrayAccess 
   - Syntax error on token "]", invalid (
   - Syntax error, insert ")" to complete SingleMemberAnnotation 
   

3. 在最後一行，} :- Syntax error on token "}", delete this token

我無法找出這些錯誤。任何幫助都會很棒。

Answer 1

public class DisplayMessage() { 

擺脫()。

Answer 2

從類定義中刪除()。

Answer 3

public class DisplayMessage { 

public static void main(String[] args) { 


    UserCommunication user_comm_to_terminal = new UserCommunication(DisplayMessageID.LOAD_ERR); 

    System.out.println("Height of rectOne: "); 



} 

}

應該是這樣的。希望這可以幫助。