Problem reading objects

Question

Hi i am trying to read objects from i file i have written them to but cannot seem to get it goint any suggestions here are two errors but i am sure their are more
---------- javac ----------
C:\university_class_work\cosc1309\Assignments\Assignment1\Bin2Text.java:26: incompatible types
found : java.lang.Object
required: java.io.ObjectInputStream
while ((ins = ins.readObject()) != null) {
^
C:\university_class_work\cosc1309\Assignments\Assignment1\Bin2Text.java:32: cannot resolve symbol
symbol : method flush ()
location: class java.io.ObjectInputStream
ins.flush ();
^
2 errors
Normal Termination
Output completed (1 sec consumed).
import java.util.*;
import java.text.*;
import java.io.*;
// Bin2Text.java
// Assignment1
// Created by dragon on Sun Mar 09 2003.
// Copyright (c) 2003 __MyCompanyName__. All rights reserved.
public class Bin2Text implements Serializable {
public static void main(String[] args) throws IOException{
String name;
//PrintWriter out = null;
Text2Bin p2b = new Text2Bin();
StringTokenizer words = null;
String line;
try {
PrintWriter out = new PrintWriter (new BufferedWriter (new FileWriter ("out.txt")));
FileInputStream in = new FileInputStream ("in.bin");
ObjectInputStream ins = new ObjectInputStream (in);
while ((ins = ins.readObject()) != null) {
PizzaEater myPizzaEater = new PizzaEater();
ins.readObject(myPizzaEater);
out.write (myPizzaEater);
ins.reset ();
ins.flush ();
ins.close();
out.close ();
catch (IOException ioe) {
System.out.println(ioe.getMessage());
catch (NegativeNumberException nne) {
System.out.println ("NegativeNumberException message was: " +
nne.getMessage());
class NegativeNumberException extends Exception {
* Default constructor setting NegativeNumberException to the default
* as specified by API reference Exception
public NegativeNumberException () {
super();
* a Constructor passing the number value of the exception and
* returning it with feedback
public NegativeNumberException (int slices) {
super("Number entered: " + slices + " number must be positive.");
}

Answer 1

Hi i am trying to read objects from i file i have
written them to but cannot seem to get it goint any
suggestions here are two errors but i am sure their
are more
---------- javac ----------
C:\university_class_work\cosc1309\Assignments\Assignmen
1\Bin2Text.java:26: incompatible types
found : java.lang.Object
required: java.io.ObjectInputStream
while ((ins = ins.readObject()) != null) {
^I'm not sure what you're trying to do exactly, I think its retrieve the next object from ObjectInputStream, you'd probably want to use another variable of type Object
C:\university_class_work\cosc1309\Assignments\Assignmen
1\Bin2Text.java:32: cannot resolve symbol
symbol : method flush ()
location: class java.io.ObjectInputStream
ins.flush ();
^
2 errors
Normal TerminationNo flush() for InputStream objects.
Output completed (1 sec consumed).
import java.util.*;
import java.text.*;
import java.io.*;
// Bin2Text.java
// Assignment1
// Created by dragon on Sun Mar 09 2003.
// Copyright (c) 2003 __MyCompanyName__. All rights
reserved.
public class Bin2Text implements Serializable {
public static void main(String[] args) throws
ws IOException{
String name;
//PrintWriter out = null;
Text2Bin p2b = new Text2Bin();
StringTokenizer words = null;
String line;
try {
PrintWriter out = new PrintWriter (new
r (new BufferedWriter (new FileWriter ("out.txt")));
FileInputStream in = new FileInputStream
Stream ("in.bin");
ObjectInputStream ins = new ObjectInputStream
Stream (in);
while ((ins = ins.readObject()) != null) {
PizzaEater myPizzaEater = new
Eater = new PizzaEater();
ins.readObject(myPizzaEater);
out.write (myPizzaEater);
ins.reset ();
ins.flush ();
ins.close();
out.close ();
catch (IOException ioe) {
System.out.println(ioe.getMessage());
catch (NegativeNumberException nne) {
System.out.println ("NegativeNumberException
xception message was: " +
nne.getMessage());
class NegativeNumberException extends Exception {
* Default constructor setting
ing NegativeNumberException to the default
* as specified by API reference Exception
public NegativeNumberException () {
super();
* a Constructor passing the number value of the
the exception and
* returning it with feedback
public NegativeNumberException (int slices) {
super("Number entered: " + slices + " number must
st be positive.");