对象流的使用

import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.io.ObjectInputStream; import java.io.ObjectOutputStream; import java.io.Serializable; public class Company implements Serializable { private static final long serialVersionUID = 1L; private String qualifications; private String business; private String welfare; public void setQualifications(String qualifications) { StringBuffer buffer = new StringBuffer(); buffer.append("民航及旅游界最完备的资质，涵盖国内游、入境游、出境游以及国内、国际机票代理；\n"); buffer.append("第一家被中国民航局 ( CAAC ) 承认的航空差旅管理公司；\n"); buffer.append("中国唯一一家能够提供公务专包机接待服务的航空差旅管理公司；\n"); buffer.append("中国国际航空运输协会 ( IATA ) 7家执委之一，中国地区首批加入IATA的成员之一；\n"); buffer.append("中国地区拥有最多航空公司代理权的公司……\n"); qualifications = buffer.toString(); this.qualifications = qualifications; } public void setBusiness(String business) { StringBuffer buffer = new StringBuffer(); buffer.append("国内、国际机票差旅管理；\n"); buffer.append("国内、国际高端旅游产品管理；\n"); buffer.append("国内、国际会展管理；\n"); buffer.append("其他商务差旅管理。\n"); business = buffer.toString(); this.business = business; } public void setWelfare(String welfare) { StringBuffer buffer = new StringBuffer(); buffer.append("五险一金，满3年后享受五险两金；\n"); buffer.append("交通补贴；\n"); buffer.append("午餐补贴；\n"); buffer.append("商业医疗保险；\n"); buffer.append("年度体检；\n"); buffer.append("休假补贴费；\n"); buffer.append("奖励旅游；\n"); buffer.append("生日礼券；\n"); buffer.append("节日礼券；\n"); buffer.append("文体娱乐;\n"); buffer.append("各项培训…\n"); welfare = buffer.toString(); this.welfare = welfare; } public Company() throws IOException, ClassNotFoundException { String file = "company.dat"; ObjectOutputStream outputStream = new ObjectOutputStream( new FileOutputStream(file)); setQualifications(qualifications); setBusiness(business); setWelfare(welfare); outputStream.writeObject(this); outputStream.close(); ObjectInputStream inputStream = new ObjectInputStream( new FileInputStream(file)); Object object = inputStream.readObject(); System.out.println(object); } public String toString() { StringBuffer buffer = new StringBuffer(); buffer.append("我们的资质：\n"); buffer.append(qualifications); buffer.append("\n我们的业务：\n"); buffer.append(business); buffer.append("\n我们的福利：\n"); buffer.append(welfare); return buffer.toString(); } public static void main(String[] args) throws IOException, ClassNotFoundException { new Company(); } }