java.lang.Integer.hashCode java code examples

Common ways to obtain Integer

private void myMethod () {
 Integer i =String string;Integer.valueOf(string)
new Integer(value)
String string;Integer.parseInt(string)
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}

@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());
}

Javadoc

Returns a hash code for this Integer.

Popular methods of Integer

parseInt
Parses the specified string as a signed integer value using the specified radix. The ASCII character
toString
Converts the specified signed integer into a string representation based on the specified radix. The
valueOf
Parses the specified string as a signed integer value using the specified radix.
intValue
Gets the primitive value of this int.
<init>
Constructs a new Integer from the specified string.
toHexString
Returns a string representation of the integer argument as an unsigned integer in base 16.The unsign
equals
Compares this instance with the specified object and indicates if they are equal. In order to be equ
compareTo
Compares this Integer object to another object. If the object is an Integer, this function behaves l
compare
Compares two int values.
longValue
Returns the value of this Integer as along.
decode
Parses the specified string and returns a Integer instance if the string can be decoded into an inte
numberOfLeadingZeros
Determines the number of leading zeros in the specified integer prior to the #highestOneBit(int).

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How to use hashCodemethodin java.lang.Integer

Best Java code snippets using java.lang.Integer.hashCode (Showing top 20 results out of 11,412)

How to use
hashCode
method
in
java.lang.Integer