使用netbeans编写的方块游戏TetraGame

				/*
				 * UserInfo.java
				 *
				 * Created on 2007年4月19日, 下午11:11
				 *
				 * To change this template, choose Tools | Template Manager
				 * and open the template in the editor.
				 */
				
				package tetrasquare;
				
				import java.io.Serializable;
				
				/**
				 *
				 * @author Caviar
				 */ 
				public class UserInfo implements Serializable{
				        public UserInfo(){
				            score=0;
				            level=0;
				            pieces=0;
				        }
				         public UserInfo(int s,int l,int p,int n){
				            score=s;
				            level=l;
				            pieces=p;
				            name=n;
				        }
				        public int score;
				        public int level;
				        public int pieces;
				        public int name;
				        public UserInfo clone(){
				            UserInfo a=new UserInfo();
				            a.level=level;
				            a.pieces=pieces;
				            a.score=score;
				            return a;
				        }
				}