public final class Direction {

    public static final String NORTH = "north";
    public static final String SOUTH = "south";
    public static final String EAST = "east";
    public static final String WEST = "west";

}

public class Person {

     private int age;
     private String name;

     public void setAge(int age) { this.age = age; }
     public int getAge(){ return age; }
     public void setName(String name) { this.name = name; }
     public String getName() { return this.name; }

}