填空题

下面程序段是从对象流中读取对象,请将程序补充完整。 import java. util.*; import java. io.*; public class UnSerializaDate { Date d=null; UnSerializaDate() { try{ FileInputStream f=new FileInputStream("date. ser"); ObjectInputStream s=new ObjectInputStream(f); 【13】 f. close(); } catch(Exception e){ e. printStackTrace(); } } public static void main(String args[]){ UnSerializaDate a=new UnSerializaDate(); System. out. println("The date read is:" +a.d.toString()); } }

【参考答案】

d=(Date)s. readObject();