How to use

hashCode

method

in

java.lang.Integer

@Override
public int hashCode() {
  int hashCode = 7;
  for (ValueHolder valueHolder : this.genericArgumentValues) {
    hashCode = 31 * hashCode + valueHolder.contentHashCode();
  }
  hashCode = 29 * hashCode;
  for (Map.Entry<Integer, ValueHolder> entry : this.indexedArgumentValues.entrySet()) {
    hashCode = 31 * hashCode + (entry.getValue().contentHashCode() ^ entry.getKey().hashCode());
  }
  return hashCode;
}

@Override
public int hashCode() {
 return i.hashCode();
}

@Override
public int hashCode() {
  final int prime = 31;
  int result = 1;
  result = prime * result + ((factionalSecondsPrecision == null) ? 0 : factionalSecondsPrecision.hashCode());
  result = prime * result + ((precision == null) ? 0 : precision.hashCode());
  result = prime * result + ((toFactionalSecondsPrecision == null) ? 0 : toFactionalSecondsPrecision.hashCode());
  result = prime * result + ((toType == null) ? 0 : toType.hashCode());
  result = prime * result + ((type == null) ? 0 : type.hashCode());
  result = prime * result + ((value == null) ? 0 : value.hashCode());
  return result;
}

  @Override
  public int hashCode() {
    final int prime = 31;
    int result = 1;
    result = prime * result + ((getCategoryTagId() == null) ? 0 : getCategoryTagId().hashCode());
    result = prime * result + ((getCategoryId() == null) ? 0 : getCategoryId().hashCode());
    result = prime * result + ((getTagId() == null) ? 0 : getTagId().hashCode());
    return result;
  }
}

  @Override
  public int hashCode() {
    final int prime = 31;
    int result = 1;
    result = prime * result + ((getUserRoleId() == null) ? 0 : getUserRoleId().hashCode());
    result = prime * result + ((getUserId() == null) ? 0 : getUserId().hashCode());
    result = prime * result + ((getRoleId() == null) ? 0 : getRoleId().hashCode());
    return result;
  }
}

  @Override
  public int hashCode() {
    final int prime = 31;
    int result = 1;
    result = prime * result + ((getArticleCategoryId() == null) ? 0 : getArticleCategoryId().hashCode());
    result = prime * result + ((getArticleId() == null) ? 0 : getArticleId().hashCode());
    result = prime * result + ((getCategoryId() == null) ? 0 : getCategoryId().hashCode());
    return result;
  }
}

  @Override
  public int hashCode() {
    final int prime = 31;
    int result = 1;
    result = prime * result + ((getPayTypeId() == null) ? 0 : getPayTypeId().hashCode());
    result = prime * result + ((getPayVendorId() == null) ? 0 : getPayVendorId().hashCode());
    result = prime * result + ((getPayMchId() == null) ? 0 : getPayMchId().hashCode());
    return result;
  }
}

  @Override
  public int hashCode() {
    final int prime = 31;
    int result = 1;
    result = prime * result + ((getArticleTagId() == null) ? 0 : getArticleTagId().hashCode());
    result = prime * result + ((getArticleId() == null) ? 0 : getArticleId().hashCode());
    result = prime * result + ((getTagId() == null) ? 0 : getTagId().hashCode());
    return result;
  }
}

  @Override
  public int hashCode() {
    final int prime = 31;
    int result = 1;
    result = prime * result + ((getUserOrganizationId() == null) ? 0 : getUserOrganizationId().hashCode());
    result = prime * result + ((getUserId() == null) ? 0 : getUserId().hashCode());
    result = prime * result + ((getOrganizationId() == null) ? 0 : getOrganizationId().hashCode());
    return result;
  }
}

  @Override
  public int hashCode() {
    final int prime = 31;
    int result = 1;
    result = prime * result + ((getPayOutOrderDetailId() == null) ? 0 : getPayOutOrderDetailId().hashCode());
    result = prime * result + ((getPayOutOrderId() == null) ? 0 : getPayOutOrderId().hashCode());
    result = prime * result + ((getRemark() == null) ? 0 : getRemark().hashCode());
    return result;
  }
}

  @Override
  public int hashCode() {
    final int prime = 31;
    int result = 1;
    result = prime * result + ((getPayPayId() == null) ? 0 : getPayPayId().hashCode());
    result = prime * result + ((getPayTypeId() == null) ? 0 : getPayTypeId().hashCode());
    result = prime * result + ((getParam() == null) ? 0 : getParam().hashCode());
    return result;
  }
}

  @Override
  public int hashCode() {
    final int prime = 31;
    int result = 1;
    result = prime * result + ((getUserPermissionId() == null) ? 0 : getUserPermissionId().hashCode());
    result = prime * result + ((getUserId() == null) ? 0 : getUserId().hashCode());
    result = prime * result + ((getPermissionId() == null) ? 0 : getPermissionId().hashCode());
    result = prime * result + ((getType() == null) ? 0 : getType().hashCode());
    return result;
  }
}

  @Override
  public int hashCode() {
    final int prime = 31;
    int result = 1;
    result = prime * result + ((getOauthId() == null) ? 0 : getOauthId().hashCode());
    result = prime * result + ((getName() == null) ? 0 : getName().hashCode());
    return result;
  }
}

  @Override
  public int hashCode() {
    final int prime = 31;
    int result = 1;
    result = prime * result + ((getSettingId() == null) ? 0 : getSettingId().hashCode());
    result = prime * result + ((getSettingKey() == null) ? 0 : getSettingKey().hashCode());
    result = prime * result + ((getSettingValue() == null) ? 0 : getSettingValue().hashCode());
    return result;
  }
}

  @Override
  public int hashCode() {
    final int prime = 31;
    int result = 1;
    result = prime * result + ((getTopicId() == null) ? 0 : getTopicId().hashCode());
    result = prime * result + ((getTitle() == null) ? 0 : getTitle().hashCode());
    result = prime * result + ((getDescription() == null) ? 0 : getDescription().hashCode());
    result = prime * result + ((getUrl() == null) ? 0 : getUrl().hashCode());
    result = prime * result + ((getCtime() == null) ? 0 : getCtime().hashCode());
    return result;
  }
}

  @Override
  public int hashCode() {
    final int prime = 31;
    int result = 1;
    result = prime * result + ((getPayMchId() == null) ? 0 : getPayMchId().hashCode());
    result = prime * result + ((getMchId() == null) ? 0 : getMchId().hashCode());
    result = prime * result + ((getName() == null) ? 0 : getName().hashCode());
    result = prime * result + ((getReqkey() == null) ? 0 : getReqkey().hashCode());
    result = prime * result + ((getReskey() == null) ? 0 : getReskey().hashCode());
    return result;
  }
}

public void testHashCode() {
 for (int value : VALUES) {
  assertEquals(((Integer) value).hashCode(), Ints.hashCode(value));
 }
}

@Test
public void shouldApplySupplementalHash() {
  Integer key = 123;
  this.map.put(key, "123");
  assertThat(this.map.getSupplementalHash(), is(not(key.hashCode())));
  assertThat(this.map.getSupplementalHash() >> 30 & 0xFF, is(not(0)));
}

@Test
public void hashCodeOf() {
  assertEquals(0, ObjectHelper.hashCode(null));
  assertEquals(((Integer)1).hashCode(), ObjectHelper.hashCode(1));
}

@Test
public void hashCodeIsTheInner() {
  Notification<Integer> n1 = Notification.createOnNext(1337);
  assertEquals(Integer.valueOf(1337).hashCode(), n1.hashCode());
  assertEquals(0, Notification.createOnComplete().hashCode());
}