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 MainClass {
public static void main(String[] args) throws IOException, ClassNotFoundException {
MyBean sc = new MyBean("Test1", "Test2");
System.out.println("Before:\n" + sc);
ByteArrayOutputStream buf = new ByteArrayOutputStream();
ObjectOutputStream o = new ObjectOutputStream(buf);
o.writeObject(sc);
ObjectInputStream in = new ObjectInputStream(new ByteArrayInputStream(buf.toByteArray()));
MyBean sc2 = (MyBean) in.readObject();
System.out.println("After:\n" + sc2);
}
}
class MyBean implements Serializable {
private String a;
private transient String b;
public MyBean(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();
}
}
/*
*/
Before:
Not Transient: Test1
Transient: Test2
After:
Not Transient: Test1
Transient: Test2