Class Person.CompareByZip

java.lang.Object
  Person.CompareByZip

All Implemented Interfaces:

java.util.Comparator

Enclosing class:

Person

public static class Person.CompareByZip

extends java.lang.Object

implements java.util.Comparator

Comparator for comparing two persons by order of zip code

Constructor Summary

Person.CompareByZip()

Method Summary

int	compare(java.lang.Object person1, java.lang.Object person2) Compare two objects (which must both be Persons) by zip
boolean	equals(java.lang.Object person1, java.lang.Object person2) Compare two objects (which must both be Persons) by zip

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.Comparator

equals

Constructor Detail

Person.CompareByZip

public Person.CompareByZip()

Method Detail

compare

public int compare(java.lang.Object person1,
                   java.lang.Object person2)

Compare two objects (which must both be Persons) by zip

Specified by:

compare in interface java.util.Comparator

Parameters:

person1 - the first object

person2 - the second object

Returns:

a negative number if person1 belongs before person2 in order of zip; 0 if they are equal; a positive number if person1 belongs after person2

Throws:

java.lang.ClassCastException - if either parameter is not a Person object

equals

public boolean equals(java.lang.Object person1,
                      java.lang.Object person2)

Compare two objects (which must both be Persons) by zip

Parameters:

person1 - the first object

person2 - the second object

Returns:

true if they have the same zip, false if they do not

Throws:

java.lang.ClassCastException - if either parameter is not a Person object