title: default value for CascadeType in Hibernate
body: <p>I am using Hibernate to persist this bean.</p>
  
  <pre><code>import javax.persistence.*;
  
  @Entity
  public class Person {
      @Id @GeneratedValue
      private int id;
      @Column
      private String name;
      @OneToOne
      private Address addr;
  }
  </code></pre>
  
  <p>What is the <code>CascadeType</code> for <code>addr</code>?</p>