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Person.java
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25 lines (24 loc) · 722 Bytes
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//: typeinfo/Person.java
package typeinfo; /* Added by Eclipse.py */
// A class with a Null Object.
import net.mindview.util.*;
class Person {
public final String first;
public final String last;
public final String address;
// etc.
public Person(String first, String last, String address){
this.first = first;
this.last = last;
this.address = address;
}
public String toString() {
return "Person: " + first + " " + last + " " + address;
}
public static class NullPerson
extends Person implements Null {
private NullPerson() { super("None", "None", "None"); }
public String toString() { return "NullPerson"; }
}
public static final Person NULL = new NullPerson();
} ///:~