## Uses of Class
java.util.Calendar

- Packages that use Calendar
  Package | Description
  --- | ---
  java.sql | Provides the API for accessing and processing data stored in a data source (usually a relational database) using the Java™ programming language.
  java.text | Provides classes and interfaces for handling text, dates, numbers, and messages in a manner independent of natural languages.
  java.util | Contains the collections framework, some internationalization support classes, a service loader, properties, random number generation, string parsing and scanning classes, base64 encoding and decoding, a bit array, and several miscellaneous utility classes.
  javax.sql | Provides the API for server side data source access and processing from the Java™ programming language.
  javax.sql.rowset | Standard interfaces and base classes for JDBC `RowSet` implementations.
  javax.xml.datatype | Defines XML/Java Type Mappings.

- - ### Uses of Calendar in java.sql

    Methods in java.sql with parameters of type Calendar
    Modifier and Type | Method | Description
    --- | --- | ---
    `Date` | CallableStatement.`getDate​(int parameterIndex, Calendar cal)` | Retrieves the value of the designated JDBC `DATE` parameter as a `java.sql.Date` object, using the given `Calendar` object to construct the date.
    `Date` | CallableStatement.`getDate​(String parameterName, Calendar cal)` | Retrieves the value of a JDBC `DATE` parameter as a `java.sql.Date` object, using the given `Calendar` object to construct the date.
    `Date` | ResultSet.`getDate​(int columnIndex, Calendar cal)` | Retrieves the value of the designated column in the current row of this `ResultSet` object as a `java.sql.Date` object in the Java programming language.
    `Date` | ResultSet.`getDate​(String columnLabel, Calendar cal)` | Retrieves the value of the designated column in the current row of this `ResultSet` object as a `java.sql.Date` object in the Java programming language.
    `Time` | CallableStatement.`getTime​(int parameterIndex, Calendar cal)` | Retrieves the value of the designated JDBC `TIME` parameter as a `java.sql.Time` object, using the given `Calendar` object to construct the time.
    `Time` | CallableStatement.`getTime​(String parameterName, Calendar cal)` | Retrieves the value of a JDBC `TIME` parameter as a `java.sql.Time` object, using the given `Calendar` object to construct the time.
    `Time` | ResultSet.`getTime​(int columnIndex, Calendar cal)` | Retrieves the value of the designated column in the current row of this `ResultSet` object as a `java.sql.Time` object in the Java programming language.
    `Time` | ResultSet.`getTime​(String columnLabel, Calendar cal)` | Retrieves the value of the designated column in the current row of this `ResultSet` object as a `java.sql.Time` object in the Java programming language.
    `Timestamp` | CallableStatement.`getTimestamp​(int parameterIndex, Calendar cal)` | Retrieves the value of the designated JDBC `TIMESTAMP` parameter as a `java.sql.Timestamp` object, using the given `Calendar` object to construct the `Timestamp` object.
    `Timestamp` | CallableStatement.`getTimestamp​(String parameterName, Calendar cal)` | Retrieves the value of a JDBC `TIMESTAMP` parameter as a `java.sql.Timestamp` object, using the given `Calendar` object to construct the `Timestamp` object.
    `Timestamp` | ResultSet.`getTimestamp​(int columnIndex, Calendar cal)` | Retrieves the value of the designated column in the current row of this `ResultSet` object as a `java.sql.Timestamp` object in the Java programming language.
    `Timestamp` | ResultSet.`getTimestamp​(String columnLabel, Calendar cal)` | Retrieves the value of the designated column in the current row of this `ResultSet` object as a `java.sql.Timestamp` object in the Java programming language.
    `void` | CallableStatement.`setDate​(String parameterName, Date x, Calendar cal)` | Sets the designated parameter to the given `java.sql.Date` value, using the given `Calendar` object.
    `void` | PreparedStatement.`setDate​(int parameterIndex, Date x, Calendar cal)` | Sets the designated parameter to the given `java.sql.Date` value, using the given `Calendar` object.
    `void` | CallableStatement.`setTime​(String parameterName, Time x, Calendar cal)` | Sets the designated parameter to the given `java.sql.Time` value, using the given `Calendar` object.
    `void` | PreparedStatement.`setTime​(int parameterIndex, Time x, Calendar cal)` | Sets the designated parameter to the given `java.sql.Time` value, using the given `Calendar` object.
    `void` | CallableStatement.`setTimestamp​(String parameterName, Timestamp x, Calendar cal)` | Sets the designated parameter to the given `java.sql.Timestamp` value, using the given `Calendar` object.
    `void` | PreparedStatement.`setTimestamp​(int parameterIndex, Timestamp x, Calendar cal)` | Sets the designated parameter to the given `java.sql.Timestamp` value, using the given `Calendar` object.

  - ### Uses of Calendar in java.text

    Fields in java.text declared as Calendar
    Modifier and Type | Field | Description
    --- | --- | ---
    `protected Calendar` | DateFormat.`calendar` | The `Calendar` instance used for calculating the date-time fields and the instant of time.

    Methods in java.text that return Calendar
    Modifier and Type | Method | Description
    --- | --- | ---
    `Calendar` | DateFormat.`getCalendar()` | Gets the calendar associated with this date/time formatter.

    Methods in java.text with parameters of type Calendar
    Modifier and Type | Method | Description
    --- | --- | ---
    `void` | DateFormat.`setCalendar​(Calendar newCalendar)` | Set the calendar to be used by this date format.

  - ### Uses of Calendar in java.util

    Subclasses of Calendar in java.util
    Modifier and Type | Class | Description
    --- | --- | ---
    `class` | `GregorianCalendar` | `GregorianCalendar` is a concrete subclass of `Calendar` and provides the standard calendar system used by most of the world.

    Methods in java.util that return Calendar
    Modifier and Type | Method | Description
    --- | --- | ---
    `Calendar` | Calendar.Builder.`build()` | Returns a `Calendar` built from the parameters set by the setter methods.
    `static Calendar` | Calendar.`getInstance()` | Gets a calendar using the default time zone and locale.
    `static Calendar` | Calendar.`getInstance​(Locale aLocale)` | Gets a calendar using the default time zone and specified locale.
    `static Calendar` | Calendar.`getInstance​(TimeZone zone)` | Gets a calendar using the specified time zone and default locale.
    `static Calendar` | Calendar.`getInstance​(TimeZone zone, Locale aLocale)` | Gets a calendar with the specified time zone and locale.

    Methods in java.util with parameters of type Calendar
    Modifier and Type | Method | Description
    --- | --- | ---
    `int` | Calendar.`compareTo​(Calendar anotherCalendar)` | Compares the time values (millisecond offsets from the Epoch) represented by two `Calendar` objects.

  - ### Uses of Calendar in javax.sql

    Methods in javax.sql with parameters of type Calendar
    Modifier and Type | Method | Description
    --- | --- | ---
    `void` | RowSet.`setDate​(int parameterIndex, Date x, Calendar cal)` | Sets the designated parameter in this `RowSet` object's command with the given `java.sql.Date` value.
    `void` | RowSet.`setDate​(String parameterName, Date x, Calendar cal)` | Sets the designated parameter to the given `java.sql.Date` value, using the given `Calendar` object.
    `void` | RowSet.`setTime​(int parameterIndex, Time x, Calendar cal)` | Sets the designated parameter in this `RowSet` object's command with the given `java.sql.Time` value.
    `void` | RowSet.`setTime​(String parameterName, Time x, Calendar cal)` | Sets the designated parameter to the given `java.sql.Time` value, using the given `Calendar` object.
    `void` | RowSet.`setTimestamp​(int parameterIndex, Timestamp x, Calendar cal)` | Sets the designated parameter in this `RowSet` object's command with the given `java.sql.Timestamp` value.
    `void` | RowSet.`setTimestamp​(String parameterName, Timestamp x, Calendar cal)` | Sets the designated parameter to the given `java.sql.Timestamp` value, using the given `Calendar` object.

  - ### Uses of Calendar in javax.sql.rowset

    Methods in javax.sql.rowset with parameters of type Calendar
    Modifier and Type | Method | Description
    --- | --- | ---
    `void` | BaseRowSet.`setDate​(int parameterIndex, Date x, Calendar cal)` | Sets the designated parameter to the given `java.sql.Date` object.
    `void` | BaseRowSet.`setDate​(String parameterName, Date x, Calendar cal)` | Sets the designated parameter to the given `java.sql.Date` value, using the given `Calendar` object.
    `void` | BaseRowSet.`setTime​(int parameterIndex, Time x, Calendar cal)` | Sets the designated parameter to the given `java.sql.Time` object.
    `void` | BaseRowSet.`setTime​(String parameterName, Time x, Calendar cal)` | Sets the designated parameter to the given `java.sql.Time` value, using the given `Calendar` object.
    `void` | BaseRowSet.`setTimestamp​(int parameterIndex, Timestamp x, Calendar cal)` | Sets the designated parameter to the given `java.sql.Timestamp` object.
    `void` | BaseRowSet.`setTimestamp​(String parameterName, Timestamp x, Calendar cal)` | Sets the designated parameter to the given `java.sql.Timestamp` value, using the given `Calendar` object.

  - ### Uses of Calendar in javax.xml.datatype

    Methods in javax.xml.datatype with parameters of type Calendar
    Modifier and Type | Method | Description
    --- | --- | ---
    `abstract void` | Duration.`addTo​(Calendar calendar)` | Adds this duration to a `Calendar` object.
    `long` | Duration.`getTimeInMillis​(Calendar startInstant)` | Returns the length of the duration in milli-seconds.
    `abstract Duration` | Duration.`normalizeWith​(Calendar startTimeInstant)` | Converts the years and months fields into the days field by using a specific time instant as the reference point.