Java by API/java.io/Serializable

implements Serializable

/*
 */
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectOutputStream;
public class MainClass {
  public static void main(String[] args) {
    Employee e = new Employee();
    e.name = "Jor Lee";
    e.address = "USA";
    e.SSN = 11122333;
    e.number = 101;
    try {
      FileOutputStream fileOut = new FileOutputStream("employee.ser");
      ObjectOutputStream out = new ObjectOutputStream(fileOut);
      out.writeObject(e);
      out.close();
      fileOut.close();
    } catch (IOException i) {
      i.printStackTrace();
    }
  }
}
class Employee implements java.io.Serializable {
  public String name;
  public String address;
  public transient int SSN;
  public int number;
  public void mailCheck() {
    System.out.println("Mailing a check to " + name + " " + address);
  }
}