Java transient关键字原理解析

public class NameStore implements Serializable {
  private String firstName;
  private transient String middleName;
  private String lastName;

  public NameStore (String fName, String mName, String lName){
    this.firstName = fName;
    this.middleName = mName;
    this.lastName = lName;
  }

  @Override
  public String toString() {
    return "NameStore{" +
        "firstName='" + firstName + '\'' +
        ", middleName='" + middleName + '\'' +
        ", lastName='" + lastName + '\'' +
        '}';
  }
}

public class TransientExample {
  public static void main(String[] args) throws Exception {
    NameStore nameStore = new NameStore("Steve", "Middle","Jobs");
    ObjectOutputStream o = new ObjectOutputStream(new FileOutputStream("nameStore"));
    // writing to object
    o.writeObject(nameStore);
    o.close();

    // reading from object
    ObjectInputStream in = new ObjectInputStream(new FileInputStream("nameStore"));
    NameStore nameStore1 = (NameStore)in.readObject();
    System.out.println(nameStore1);
  }
}

NameStore{firstName='Steve', middleName='null', lastName='Jobs'}