Uses of Class java.util.Calendar (Java SE 26 & JDK 26)
Description: use: module: java.base, package: java.util, class: Calendar

# 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.
  Classes in java.util that implement interfaces with type arguments of type Calendar
  Modifier and Type
  Class
  Description
  `class`
  `Calendar`
  The `Calendar` class is an abstract class that provides methods for converting between a specific instant in time and a set of `calendar fields` such as `YEAR`, `MONTH`, `DAY_OF_MONTH`, `HOUR`, and so on, and for manipulating the calendar fields, such as getting the date of the next week.
  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.