bookentry.java

JAVA 2入门经典 练习答案

import java.io.Serializable;
class BookEntry implements Serializable {
  public BookEntry(Person person, PhoneNumber number) {
    this.person = person;
    this.number = number;
  }

  public Person getPerson() { return person; }

  public PhoneNumber getNumber() { return number; }

  public String toString() {
    return person.toString() +'\n' + number.toString();
  }

  // Read an entry from the keyboard
  public static BookEntry readEntry() {
    return new BookEntry(Person.readPerson(), PhoneNumber.readNumber());
  }

  private Person person;
  private PhoneNumber number;
}