Re: small java exercise

From:
"Ingo R. Homann" <ihomann_spam@web.de>
Newsgroups:
comp.lang.java.programmer
Date:
Tue, 03 Apr 2007 12:05:41 +0200
Message-ID:
<461226f5$0$23142$9b4e6d93@newsspool1.arcor-online.net>
Hi,

ros wrote:

public class MovieRating {

    private Map humanMap = new HashMap();

    public MovieRating(){
        humanMap.put("G", 18);
        humanMap.put("PG", 16);
    }

    public boolean getStatus(String rating, int age){

        int minAge;
        minAge = Integer.getInteger((String) humanMap.get("PG"));

        if (age < minAge ){
            return false;
        }
        else if (age >= minAge){
            return true;
        }

    }

}


Several issues. In the first step I would do it like this:

public class MovieRating {
   private int g=18; // perhaps also 'static final'?
   private int pg=16;// perhaps also 'static final'?
   public boolean getStatus(int age) {
     return age>=pg;
   }
}

In the second step - I suppose that's what you want to do - you can take
into account the parameter 'rating'. After all, I think it could be
better like this (it all depands on the rest of your architecture and
your requirenments):

public class MovieRating {
   private int age;
   public MovieRating(int age) {
     this.age=age;
   }
   public boolean getStatus(int age) {
     return age>=this.age;
   }
}

Ciao,
Ingo

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