write an object java in a file
package com.mkyong;
package com.mkyong;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
public class WriterReader {
public static void main(String[] args) {
Person p1 = new Person("John", 30, "Male");
Person p2 = new Person("Rachel", 25, "Female");
try {
FileOutputStream f = new FileOutputStream(new File("myObjects.txt"));
ObjectOutputStream o = new ObjectOutputStream(f);
// Write objects to file
o.writeObject(p1);
o.writeObject(p2);
o.close();
f.close();
FileInputStream fi = new FileInputStream(new File("myObjects.txt"));
ObjectInputStream oi = new ObjectInputStream(fi);
// Read objects
Person pr1 = (Person) oi.readObject();
Person pr2 = (Person) oi.readObject();
System.out.println(pr1.toString());
System.out.println(pr2.toString());
oi.close();
fi.close();
} catch (FileNotFoundException e) {
System.out.println("File not found");
} catch (IOException e) {
System.out.println("Error initializing stream");
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}