HashCode and Equals in Java6

gistfile1.java

  private String  name;
  private String  surname;
  private Integer age;

  @Override
  public boolean equals(Object o) {
    if (this == o) return true;
    if (o == null || getClass() != o.getClass()) return false;

    Test test = (Test) o;

    if (age != null ? !age.equals(test.age) : test.age != null) return false;
    if (name != null ? !name.equals(test.name) : test.name != null) return false;
    if (surname != null ? !surname.equals(test.surname) : test.surname != null) return false;

    return true;
  }

  @Override
  public int hashCode() {
    int result = name != null ? name.hashCode() : 0;
    result = 31 * result + (surname != null ? surname.hashCode() : 0);
    result = 31 * result + (age != null ? age.hashCode() : 0);
    return result;
  }