package demo20130418;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map;
import java.util.HashMap;
import java.util.Map.Entry;
import java.util.Set;
public class MapDemo {

  /**
   * @param args
   */
  public static void main(String[] args) {
    // TODO Auto-generated method stub
    Map<Integer,User> map=new HashMap<Integer,User>();
    User user=new User(1,"ctl","qq.com",'m');
    map.put(user.getId(), user);
    user=new User(2,"lr","qq.com",'w');
    map.put(user.getId(), user);
    System.out.println(map);
    Set<Entry<Integer,User>> set=map.entrySet();
    Iterator it=set.iterator();
    for(;it.hasNext();){
      System.out.println(it.next());
    }
        //new HashSet<Entry<Integer,User>>();
    //Iterator<Integer,User> iterator=map
  }

}
class User{
  private int id;
  private String name;
  private String email;
  private char sex;
  public User(int id, String name, String email, char sex) {
    super();
    this.id = id;
    this.name = name;
    this.email = email;
    this.sex = sex;
  }
  public int getId() {
    return id;
  }
  public void setId(int id) {
    this.id = id;
  }
  public String getName() {
    return name;
  }
  public void setName(String name) {
    this.name = name;
  }
  public String getEmail() {
    return email;
  }
  public void setEmail(String email) {
    this.email = email;
  }
  public char getSex() {
    return sex;
  }
  public void setSex(char sex) {
    this.sex = sex;
  }
  public String toString(){
    return id+" "+name+" "+email+" "+sex;
  }
}