address.java

java 完全探索的随书源码

import java.util.*;
public class Address {

  public String addressLine1;
  public String addressLine2;
  public String city;
  public String state;
  public String zip;

  public Address( String line1, String line2, String city,
   String state, String zip ) {
    addressLine1 = line1;
    addressLine2 = line2;
    this.city = city;
    this.state = state;
    this.zip = zip;
  }

  public static void main( String args[] ) {
    HashSet set = new HashSet();
    set.add( new Address("123 Peachtree St", "", "Atlanta", "GA", "30305") );
    set.add( new Address("100 Main St", "", "Any Town", "NY", "10101") );

    // retrieve an iterator from the collection
    Iterator iter = set.iterator();
    while ( iter.hasNext() ) {  // loop while elements remain
      // elements are returned as Object so cast to subtype
      Address add = (Address)iter.next();
      System.out.println( add.zip );
    }
  }
}