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import java.io.Serializable; @SuppressWarnings("serial") public class Student implements Serializable{ int id; String name; public Student(int id, String name) { this.id = id; this.name = name; } } import java.io.*; class Persist { public static void main(String[] args) { try { Student s1 = new Student(211, "ravi"); FileOutputStream fout = new FileOutputStream("f.txt"); ObjectOutputStream out = new ObjectOutputStream(fout); out.writeObject(s1); out.flush(); out.close(); } catch (Exception e){ System.out.print(e); } } } import java.io.*; public class Depersist { public static void main(String[] args) { try { ObjectInputStream in = new ObjectInputStream(new FileInputStream("f.txt")); Student s = (Student)in.readObject(); System.out.println("RollNo: " + s.id + "\nName: " + s.name); in.close(); } catch (Exception e){ System.out.println(e); } } }