Java-Serialization and De-serialization

	import java.io.*;

	public class Student implements Serializable {
	    private int rollNo;
	    private String name;
	    transient int age;
	    public Student(int rollNo, String name, int age) {
	        this.rollNo = rollNo;
	        this.name = name;
	        this.age = age;
	    }
	    public int getRollNo() {
	        return rollNo;
	    }
	    public String getName() {
	        return name;
	    }
	}

	import java.io.*;

	public class TestObjectInputStream {
	    public static void main(String s[]) throws IOException,
	        ClassNotFoundException {
	            /*FileInputStream fileInStream =
	            new FileInputStream("Student.ser");
	            ObjectInputStream objInStream =
	            new ObjectInputStream(fileInStream);*/

	            ObjectInputStream objInStream =
	                new ObjectInputStream(
	                    new FileInputStream("Student.ser"));

	            System.out.println("Deserializing object s1...");
	            Student s1 = (Student) objInStream.readObject();
	            System.out.println("Object s1 deserialized.");

	            System.out.println("Roll No.: " + s1.getRollNo());
	            System.out.println("Name : " + s1.getName());
	            System.out.println("Age : " + s1.age);

	            objInStream.close();
	        }
	}

	import java.io.*;

	public class TestObjectOutputStream {
	    public static void main(String s[]) throws IOException {
	        /*FileOutputStream fileOutStream =
	        new FileOutputStream("Student.ser");
	        ObjectOutputStream objOutStream =
	        new ObjectOutputStream(fileOutStream);*/

	        ObjectOutputStream objOutStream =
	            new ObjectOutputStream(
	                new FileOutputStream("Student.ser"));

	        Student s1 = new Student(12, "Arvind", 14);

	        System.out.println("Serializing object s1...");
	        objOutStream.writeObject(s1);
	        System.out.println("Object s1 serialized.");
	        objOutStream.close();
	    }
	}