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//: io/Blip3.java

package io; /* Added by Eclipse.py */

// Reconstructing an externalizable object.

import java.io.*;

import static net.mindview.util.Print.*;

public class Blip3 implements Externalizable {

private int i;

private String s; // No initialization

public Blip3() {

print("Blip3 Constructor");

// s, i not initialized

}

public Blip3(String x, int a) {

print("Blip3(String x, int a)");

s = x;

i = a;

// s & i initialized only in non-default constructor.

}

public String toString() { return s + i; }

public void writeExternal(ObjectOutput out)

throws IOException {

print("Blip3.writeExternal");

// You must do this:

out.writeObject(s);

out.writeInt(i);

}

public void readExternal(ObjectInput in)

throws IOException, ClassNotFoundException {

print("Blip3.readExternal");

// You must do this:

s = (String)in.readObject();

i = in.readInt();

}

public static void main(String[] args)

throws IOException, ClassNotFoundException {

print("Constructing objects:");

Blip3 b3 = new Blip3("A String ", 47);

print(b3);

ObjectOutputStream o = new ObjectOutputStream(

new FileOutputStream("Blip3.out"));

print("Saving object:");

o.writeObject(b3);

o.close();

// Now get it back:

ObjectInputStream in = new ObjectInputStream(

new FileInputStream("Blip3.out"));

print("Recovering b3:");

b3 = (Blip3)in.readObject();

print(b3);

}

} /* Output:

Constructing objects:

Blip3(String x, int a)

A String 47

Saving object:

Blip3.writeExternal

Recovering b3:

Blip3 Constructor

Blip3.readExternal

A String 47

*///:~