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(); } } }
