java编程最好的书籍,感觉对初学者或者中级java人员帮助很大

				package test;								import javax.ejb.*;								abstract public class bookBean implements EntityBean {				  EntityContext entityContext;				  public java.lang.String ejbCreate(java.lang.String bookid, java.lang.String baseprice, java.lang.String name, java.lang.String description) throws CreateException {				    setBookid(bookid);				    setBaseprice(baseprice);				    setName(name);				    setDescription(description);				    return null;				  }				  public void ejbPostCreate(java.lang.String bookid, java.lang.String baseprice, java.lang.String name, java.lang.String description) throws CreateException {				    /**@todo Complete this method*/				  }				  public void ejbRemove() throws RemoveException {				    /**@todo Complete this method*/				  }				  public abstract void setBookid(java.lang.String bookid);				  public abstract void setBaseprice(java.lang.String baseprice);				  public abstract void setName(java.lang.String name);				  public abstract void setDescription(java.lang.String description);				  public abstract java.lang.String getBookid();				  public abstract java.lang.String getBaseprice();				  public abstract java.lang.String getName();				  public abstract java.lang.String getDescription();				  public void ejbLoad() {				    /**@todo Complete this method*/				  }				  public void ejbStore() {				    /**@todo Complete this method*/				  }				  public void ejbActivate() {				    /**@todo Complete this method*/				  }				  public void ejbPassivate() {				    /**@todo Complete this method*/				  }				  public void unsetEntityContext() {				    this.entityContext = null;				  }				  public void setEntityContext(EntityContext entityContext) {				    this.entityContext = entityContext;				  }				}