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Modify the Firm example such that it accomplishes its polymorphism using an interface called Payable.  I got an error (attached image). How can I solve it?   Firm.java: public class Firm { //----------------------------------------------------------------- // Creates a staff of employees for a firm and pays them. //-----------------------------------------------------------------     public static void main (String[] args)     {         Staff personnel = new Staff();         personnel.payday();     } }   Clark.java: public class Clark implements Payable {    public static void main (String[] args)    {       public void wages()；        {        System.out.println("Wages can be paid to the clerks");       }    } }   Payable.java: public interface Payable {    public void wages();

Modify the Firm example such that it accomplishes its polymorphism using an interface called Payable.  I got an error (attached image). How can I solve it?   Firm.java: public class Firm { //----------------------------------------------------------------- // Creates a staff of employees for a firm and pays them. //-----------------------------------------------------------------     public static void main (String[] args)     {         Staff personnel = new Staff();         personnel.payday();     } }   Clark.java: public class Clark implements Payable {    public static void main (String[] args)    {       public void wages()；        {        System.out.println("Wages can be paid to the clerks");       }    } }   Payable.java: public interface Payable {    public void wages();

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question: Modify the Firm example such that it accomplishes its polymorphism using an interface called Payable. 

I got an error (attached image). How can I solve it?

 

Firm.java:

public class Firm
{
//-----------------------------------------------------------------
// Creates a staff of employees for a firm and pays them.
//-----------------------------------------------------------------
    public static void main (String[] args)
    {
        Staff personnel = new Staff();

        personnel.payday();
    }
}

 

Clark.java:

public class Clark implements Payable
{
   public static void main (String[] args)
   {
      public void wages()； 
      {
       System.out.println("Wages can be paid to the clerks");
      }
   }
}

 

Payable.java:

public interface Payable {

   public void wages();

}

Clark.java:5: error: illegal start of expression public void wages (); Clark.java:5: error: illegal character: '\u3000' public void wages (); Clark.java:5: error: invalid method declaration; return type required public void wages (); Clark.java :5: error: illegal character: '\uff1b' void wages ( ) ; public Clark.java :10: error: class, interface, enum, or record expected } 5 errorS
Transcribed Image Text:Clark.java:5: error: illegal start of expression public void wages (); Clark.java:5: error: illegal character: '\u3000' public void wages (); Clark.java:5: error: invalid method declaration; return type required public void wages (); Clark.java :5: error: illegal character: '\uff1b' void wages ( ) ; public Clark.java :10: error: class, interface, enum, or record expected } 5 errorS
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