實現對象序列化接口

2019-11-18 14:45:42

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import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;

public class SerialCtl implements Serializable {
  PRivate String a;

  private transient String b;

  public SerialCtl(String aa, String bb) {
    a = "Not Transient: " + aa;
    b = "Transient: " + bb;
  }

  public String toString() {
    return a + "/n" + b;
  }

  private void writeObject(ObjectOutputStream stream) throws IOException {
    stream.defaultWriteObject();
    stream.writeObject(b);
  }

  private void readObject(ObjectInputStream stream) throws IOException,
      ClassNotFoundException {
    stream.defaultReadObject();
    b = (String) stream.readObject();
  }

  public static void main(String[] args) throws IOException,
      ClassNotFoundException {
    SerialCtl sc = new SerialCtl("Test1", "Test2");
    System.out.println("Before:/n" + sc);
    ByteArrayOutputStream buf = new ByteArrayOutputStream();
    ObjectOutputStream o = new ObjectOutputStream(buf);
    o.writeObject(sc);
    // Now get it back:
    ObjectInputStream in = new ObjectInputStream(new ByteArrayInputStream(
        buf.toByteArray()));
    SerialCtl sc2 = (SerialCtl) in.readObject();
    System.out.println("After:/n" + sc2);
  }
} ///:~

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