[jBoss-User] Mutiple fields in PRIMARY KEY class.....

[Indika Fernando]

The following is my PrimaryKey class and I want to know how should I overide
the equal() method and whether my code is correct
can anyone propose me a good site to learn this stuff....
thanx
package com.web_tomorrow.user;

// java core API
import java.io.Serializable;
public class UserListPK implements java.io.Serializable
{
     public String userID;
     public String listID;

     public UserListPK(){}

     public int hashCode()
     {
        StringBuffer strBuff = new StringBuffer( );
        strBuff.append(userID);
        strBuff.append(listID);

        String str = strBuff.toString();
        int hashCode = str.hashCode( );
       return hashCode;
    }

 public UserListPK(String userID,String listID)
 {
        this.userID = userID;
        this.listID = listID;
 }

   public boolean equals()
  {
    what code should I have here..........
   }


}



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