- 向文件中写数据(对象要实现Serializable)
public class Singleton implements Serializable
public static void writeObject2File() throws Exception{
Singleton instance = Singleton.getInstance();
ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream(("C:\\Users\\Y7000\\Desktop\\a.txt")));
oos.writeObject(instance);
oos.close();
}
public static void readObjectFromFile() throws Exception{
ObjectInputStream ois = new ObjectInputStream(new FileInputStream("C:\\Users\\Y7000\\Desktop\\a.txt"));
Singleton instance = (Singleton) ois.readObject();
ois.close();
}