java序列化机制的可以参考很多资料了,最近在看的时候发现了一些问题。
1.
默认的序列化机制,很多书里讲到序列化类只序列化类名,实例变量,不会实例化类变量(static)和瞬态变量(transient).
我使用1.6,1.7,1.8测试了一下,static都是可以被序列化的。
测试代码:
public class Logg implements Serializable{ private static String name;
private transient String pwd; public void setName(String pwd){
Logg.name=name;
} public void setPwd(String pwd){
this.pwd=pwd;
} public String toString() {
return "name="+name+",pwd="+pwd;
}
}
ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream("log.dat"));
ObjectInputStream in = new ObjectInputStream(new FileInputStream("log.dat")); Logg logg = new Logg();
logg.setName("test");
logg.setPwd("111111"); out.writeObject(logg);
out.close();
Logg log = (Logg)in.readObject();
in.close();
System.out.println(log.toString());