下面是一个示例代码: publicclassMyClassimplementsSerializable{privatestaticfinallongserialVersionUID=1L;// 类的成员变量和方法// 实现Serializable接口// 没有任何方法需要实现// 自定义的序列化方法privatevoidwriteObject(ObjectOutputStreamout)
Exceptioninthread"main"java.io.InvalidClassException:com.springboot.SpringBootDemo.serializable.People;no valid constructor at java.io.ObjectStreamClass$ExceptionInfo.newInvalidClassException(Unknown Source)at java.io.ObjectStreamClass.checkDeserialize(Unknown Source)at java.io.ObjectInputStream.readOrdinaryOb...
当属性是对象的时候,如果这个对象,没实现序列化接口,那么上面的方法在序列化的时候就在执行oos.writeObject(flyPig)时候,报错了“Exception in thread “main” java.io.NotSerializableException: com.lxk.model.Bird”。然后给刚刚的属性的对象加上实现序列化的接口之后,上面的测试就正常通过了。你这个问题问的好。
private void writeObject(java.io.ObjectOutputStream out) throws IOException private void readObject(java.io.ObjectInputStream in) throws IOException, ClassNotFoundException; private void readObjectNoData() throws ObjectStreamException; writeObject 方法负责为特定类写入对象的状态,以便对应的 readObject 方法可以...
Java documentation forjava.io.SerializablePermission. Portions of this page are modifications based on work created and shared by theAndroid Open Source Projectand used according to terms described in theCreative Commons 2.5 Attribution License.
1.Serializable 是java的序列化技术,最简单的使用方式为在需要序列化的class增加implements Serializable,并增加一个唯一个序列化id: private static final long serialVersionUID = 1L; 默认方式最好直接设置为1L,因为java sdk会自动进行hash计算,并生成唯一的UID值。手动设置serialVersionUID的好处是当前class如果改变了...
DeserializeDemo.java 文件代码: importjava.io.*;publicclassDeserializeDemo{publicstaticvoidmain(String[]args){Employeee=null;try{FileInputStreamfileIn=newFileInputStream("/tmp/employee.ser");ObjectInputStreamin=newObjectInputStream(fileIn);e=(Employee)in.readObject();in.close();fileIn.close();}ca...
import java.io.*; public class Person implements Serializable { private String userName; private transient String password; public Person(String userName, String password) { this.userName = userName; this.password = password; } public String toString() { ...
情境:Java 的序列化使用起来很简单,实现 Serializable 接口即可,实际由 ObjectOutputStream、ObjectInputStream 完成对这个标记接口的处理。 Code-1. Java 序列化 Serializable 接口 @TestpublicvoidtestSerializable()throwsIOException, ClassNotFoundException {ByteArrayOutputStreambaos=newByteArrayOutputStream();ObjectOutp...
java.lang.String toJson() Serializer protected abstract com.google.gson.JsonElement toJsonElement() java.lang.String toString() Creates a pretty print JSON with the content of the child class and subclasses.Methods inherited from java.lang.Objectjava.lang.Object.clone java.lang.Object.equa...