bzu-java（八）

標籤：import   ret   next   port   util   java   oid   auto   print   

package tset;import java.util.HashSet;import java.util.Iterator;public class test {    public static void main(String args[])    {      HashSet<Book> liSet=new HashSet<Book>(10);      liSet.add(new Book("java",29));      liSet.add(new Book("data",29));      liSet.add(new Book("c++",29));      liSet.add(new Book("c",28));      Book book=new Book("modle", 29);      Iterator<Book> iterable=liSet.iterator();      System.out.println("新書:<<"+book.getname()+">>與下列圖書");      while(iterable.hasNext()){          Book temp=iterable.next();          if(book.compareTo(temp)==0)              System.out.println("\t"+temp.getname());                }      System.out.println("價格相同,具體價格為:"+book.getprice());              }}class Book implements Comparable{    private int price;    private String name;    Book(String name ,int price){        this.name=name;        this.price=price;            }    @Override    public int compareTo(Object o) {        // TODO Auto-generated method stub        Book book=(Book)o;        if(book.getprice()>this.price)            return 1;        else if(book.getprice()<this.price)            return -1;        else return 0;    }    int getprice(){        return this.price;    }    void  getprice(int price){        this.price=price;    }    String getname(){        return this.name;    }    void  getname(String name){        this.name=name;    }}

bzu-java（八）