# Deprecated API

## Contents

- Deprecated Packages
- Deprecated Interfaces
- Deprecated Classes
- Deprecated Fields
- Deprecated Methods
- Deprecated Enum Constants

- Deprecated Packages
  Package and Description
  org.apache.commons.lang3.text.translate as of 3.6, use the commons-text translate package instead

- Deprecated Interfaces
  Interface and Description
  org.apache.commons.lang3.text.FormatFactory as of 3.6, use commons-text FormatFactory instead

- Deprecated Classes
  Class and Description
  org.apache.commons.lang3.text.translate.AggregateTranslator as of 3.6, use commons-text AggregateTranslator instead
  org.apache.commons.lang3.CharEncoding Java 7 introduced `StandardCharsets`, which defines these constants as `Charset` objects. Use `Charset.name()` to get the string values provided in this class. This class will be removed in a future release.
  org.apache.commons.lang3.text.translate.CharSequenceTranslator as of 3.6, use commons-text CharSequenceTranslator instead
  org.apache.commons.lang3.text.translate.CodePointTranslator as of 3.6, use commons-text CharSequenceTranslator instead
  org.apache.commons.lang3.text.CompositeFormat as of 3.6, use commons-text CompositeFormat instead
  org.apache.commons.lang3.text.translate.EntityArrays as of 3.6, use commons-text EntityArrays instead
  org.apache.commons.lang3.text.ExtendedMessageFormat as of 3.6, use commons-text ExtendedMessageFormat instead
  org.apache.commons.lang3.text.FormattableUtils as of 3.6, use commons-text FormattableUtils instead
  org.apache.commons.lang3.text.translate.JavaUnicodeEscaper as of 3.6, use commons-text UnicodeEscaper instead
  org.apache.commons.lang3.text.translate.LookupTranslator as of 3.6, use commons-text LookupTranslator instead
  org.apache.commons.lang3.text.translate.NumericEntityEscaper as of 3.6, use commons-text NumericEntityEscaper instead
  org.apache.commons.lang3.text.translate.NumericEntityUnescaper as of 3.6, use commons-text NumericEntityUnescaper instead
  org.apache.commons.lang3.text.translate.OctalUnescaper as of 3.6, use commons-text OctalUnescaper instead
  org.apache.commons.lang3.text.StrBuilder as of 3.6, use commons-text TextStringBuilder instead
  org.apache.commons.lang3.StringEscapeUtils as of 3.6, use commons-text StringEscapeUtils instead
  org.apache.commons.lang3.text.StrLookup as of 3.6, use commons-text StringLookupFactory instead
  org.apache.commons.lang3.text.StrMatcher as of 3.6, use commons-text StringMatcherFactory instead
  org.apache.commons.lang3.text.StrSubstitutor as of 3.6, use commons-text StringSubstitutor instead
  org.apache.commons.lang3.text.StrTokenizer as of 3.6, use commons-text StringTokenizer instead
  org.apache.commons.lang3.text.translate.UnicodeEscaper as of 3.6, use commons-text UnicodeEscaper instead
  org.apache.commons.lang3.text.translate.UnicodeUnescaper as of 3.6, use commons-text UnicodeUnescaper instead
  org.apache.commons.lang3.text.translate.UnicodeUnpairedSurrogateRemover as of 3.6, use commons-text UnicodeUnpairedSurrogateRemover instead
  org.apache.commons.lang3.text.WordUtils as of 3.6, use commons-text WordUtils instead

- Deprecated Fields
  Field and Description
  org.apache.commons.lang3.StringEscapeUtils.ESCAPE_XML use `StringEscapeUtils.ESCAPE_XML10` or `StringEscapeUtils.ESCAPE_XML11` instead.
  org.apache.commons.lang3.SystemUtils.FILE_SEPARATOR Use `File.separator`, since it is guaranteed to be a string containing a single character and it does not require a privilege check.
  org.apache.commons.lang3.SystemUtils.IS_JAVA_1_9 As of release 3.5, replaced by `SystemUtils.IS_JAVA_9`
  org.apache.commons.lang3.time.DateFormatUtils.ISO_DATE_FORMAT - as of 4.0, ISO_DATE_FORMAT will be replaced by ISO_8601_EXTENDED_DATE_FORMAT.
  org.apache.commons.lang3.time.DateFormatUtils.ISO_DATE_TIME_ZONE_FORMAT - as of 4.0, ISO_DATE_TIME_ZONE_FORMAT will be removed.
  org.apache.commons.lang3.time.DateFormatUtils.ISO_DATETIME_FORMAT - as of 4.0, ISO_DATETIME_FORMAT will be replaced by ISO_8601_EXTENDED_DATETIME_FORMAT.
  org.apache.commons.lang3.time.DateFormatUtils.ISO_DATETIME_TIME_ZONE_FORMAT - as of 4.0, ISO_DATETIME_TIME_ZONE_FORMAT will be replaced by ISO_8601_EXTENDED_DATETIME_TIME_ZONE_FORMAT.
  org.apache.commons.lang3.time.DateFormatUtils.ISO_TIME_FORMAT - as of 4.0, ISO_TIME_FORMAT will be removed.
  org.apache.commons.lang3.time.DateFormatUtils.ISO_TIME_NO_T_FORMAT - as of 4.0, ISO_TIME_NO_T_FORMAT will be replaced by ISO_8601_EXTENDED_TIME_FORMAT.
  org.apache.commons.lang3.time.DateFormatUtils.ISO_TIME_NO_T_TIME_ZONE_FORMAT - as of 4.0, ISO_TIME_NO_T_TIME_ZONE_FORMAT will be replaced by ISO_8601_EXTENDED_TIME_TIME_ZONE_FORMAT.
  org.apache.commons.lang3.time.DateFormatUtils.ISO_TIME_TIME_ZONE_FORMAT - as of 4.0, ISO_TIME_TIME_ZONE_FORMAT will be removed.
  org.apache.commons.lang3.SystemUtils.LINE_SEPARATOR Use `System.lineSeparator` instead, since it does not require a privilege check.
  org.apache.commons.lang3.SystemUtils.PATH_SEPARATOR Use `File.pathSeparator`, since it is guaranteed to be a string containing a single character and it does not require a privilege check.

- Deprecated Methods
  Method and Description
  org.apache.commons.lang3.ArrayUtils.add(boolean[], int, boolean) this method has been superseded by `ArrayUtils.insert(int, boolean[], boolean...)` and may be removed in a future release. Please note the handling of `null` input arrays differs in the new method: inserting `X` into a `null` array results in `null` not `X`.
  org.apache.commons.lang3.ArrayUtils.add(byte[], int, byte) this method has been superseded by `ArrayUtils.insert(int, byte[], byte...)` and may be removed in a future release. Please note the handling of `null` input arrays differs in the new method: inserting `X` into a `null` array results in `null` not `X`.
  org.apache.commons.lang3.ArrayUtils.add(char[], int, char) this method has been superseded by `ArrayUtils.insert(int, char[], char...)` and may be removed in a future release. Please note the handling of `null` input arrays differs in the new method: inserting `X` into a `null` array results in `null` not `X`.
  org.apache.commons.lang3.ArrayUtils.add(double[], int, double) this method has been superseded by `ArrayUtils.insert(int, double[], double...)` and may be removed in a future release. Please note the handling of `null` input arrays differs in the new method: inserting `X` into a `null` array results in `null` not `X`.
  org.apache.commons.lang3.ArrayUtils.add(float[], int, float) this method has been superseded by `ArrayUtils.insert(int, float[], float...)` and may be removed in a future release. Please note the handling of `null` input arrays differs in the new method: inserting `X` into a `null` array results in `null` not `X`.
  org.apache.commons.lang3.ArrayUtils.add(int[], int, int) this method has been superseded by `ArrayUtils.insert(int, int[], int...)` and may be removed in a future release. Please note the handling of `null` input arrays differs in the new method: inserting `X` into a `null` array results in `null` not `X`.
  org.apache.commons.lang3.ArrayUtils.add(long[], int, long) this method has been superseded by `ArrayUtils.insert(int, long[], long...)` and may be removed in a future release. Please note the handling of `null` input arrays differs in the new method: inserting `X` into a `null` array results in `null` not `X`.
  org.apache.commons.lang3.ArrayUtils.add(short[], int, short) this method has been superseded by `ArrayUtils.insert(int, short[], short...)` and may be removed in a future release. Please note the handling of `null` input arrays differs in the new method: inserting `X` into a `null` array results in `null` not `X`.
  org.apache.commons.lang3.ArrayUtils.add(T[], int, T) this method has been superseded by `insert(int, T[], T...)` and may be removed in a future release. Please note the handling of `null` input arrays differs in the new method: inserting `X` into a `null` array results in `null` not `X`.
  org.apache.commons.lang3.time.FastDateFormat.applyRules(Calendar, StringBuffer) Use `FastDateFormat.format(Calendar, Appendable)`
  org.apache.commons.lang3.time.FastDatePrinter.applyRules(Calendar, StringBuffer) use `FastDatePrinter.format(Calendar)` or `FastDatePrinter.format(Calendar, Appendable)`
  org.apache.commons.lang3.StringUtils.chomp(String, String) This feature will be removed in Lang 4.0, use `StringUtils.removeEnd(String, String)` instead
  org.apache.commons.lang3.ObjectUtils.equals(Object, Object) this method has been replaced by `java.util.Objects.equals(Object, Object)` in Java 7 and will be removed from future releases.
  org.apache.commons.lang3.StringEscapeUtils.escapeXml(String) use `StringEscapeUtils.escapeXml10(java.lang.String)` or `StringEscapeUtils.escapeXml11(java.lang.String)` instead.
  org.apache.commons.lang3.time.DatePrinter.format(Calendar, StringBuffer) Use {`DatePrinter.format(Calendar, Appendable)`.
  org.apache.commons.lang3.time.FastDateFormat.format(Calendar, StringBuffer) Use {`FastDateFormat.format(Calendar, Appendable)`.
  org.apache.commons.lang3.time.DatePrinter.format(Date, StringBuffer) Use {`DatePrinter.format(Date, Appendable)`.
  org.apache.commons.lang3.time.FastDateFormat.format(Date, StringBuffer) Use {`FastDateFormat.format(Date, Appendable)`.
  org.apache.commons.lang3.time.DatePrinter.format(long, StringBuffer) Use {`DatePrinter.format(long, Appendable)`.
  org.apache.commons.lang3.time.FastDateFormat.format(long, StringBuffer) Use {`FastDateFormat.format(long, Appendable)`.
  org.apache.commons.lang3.time.FastDatePrinter.format(Object, StringBuffer, FieldPosition) Use {`FastDatePrinter.format(Date)`, {`FastDatePrinter.format(Calendar)`, {`FastDatePrinter.format(long)`, or {`FastDatePrinter.format(Object)`
  org.apache.commons.lang3.exception.ExceptionUtils.getCause(Throwable) This feature will be removed in Lang 4.0, use `Throwable.getCause()` instead
  org.apache.commons.lang3.exception.ExceptionUtils.getCause(Throwable, String[]) This feature will be removed in Lang 4.0, use `Throwable.getCause()` instead
  org.apache.commons.lang3.exception.ExceptionUtils.getDefaultCauseMethodNames() This feature will be removed in Lang 4.0
  org.apache.commons.lang3.StringUtils.getFuzzyDistance(CharSequence, CharSequence, Locale) as of 3.6, use commons-text FuzzyScore instead
  org.apache.commons.lang3.StringUtils.getJaroWinklerDistance(CharSequence, CharSequence) as of 3.6, use commons-text JaroWinklerDistance instead
  org.apache.commons.lang3.StringUtils.getLevenshteinDistance(CharSequence, CharSequence) as of 3.6, use commons-text LevenshteinDistance instead
  org.apache.commons.lang3.StringUtils.getLevenshteinDistance(CharSequence, CharSequence, int) as of 3.6, use commons-text LevenshteinDistance instead
  org.apache.commons.lang3.ObjectUtils.hashCode(Object) this method has been replaced by `java.util.Objects.hashCode(Object)` in Java 7 and will be removed in future releases
  org.apache.commons.lang3.ObjectUtils.hashCodeMulti(Object...) this method has been replaced by `java.util.Objects.hash(Object...)` in Java 7 and will be removed in future releases.
  org.apache.commons.lang3.ObjectUtils.identityToString(StrBuilder, Object) as of 3.6, because StrBuilder was moved to commons-text, use one of the other `identityToString` methods instead
  org.apache.commons.lang3.ArrayUtils.isEquals(Object, Object) this method has been replaced by `java.util.Objects.deepEquals(Object, Object)` and will be removed from future releases.
  org.apache.commons.lang3.math.NumberUtils.isNumber(String) This feature will be removed in Lang 4.0, use `NumberUtils.isCreatable(String)` instead
  org.apache.commons.lang3.CharEncoding.isSupported(String) Please use `Charset.isSupported(String)` instead, although be aware that `null` values are not accepted by that method and an `IllegalCharsetNameException` may be thrown.
  org.apache.commons.lang3.StringUtils.removeAll(String, String) Moved to RegExUtils.
  org.apache.commons.lang3.ArrayUtils.removeAllOccurences(boolean[], boolean) Use `ArrayUtils.removeAllOccurrences(boolean[], boolean)`
  org.apache.commons.lang3.ArrayUtils.removeAllOccurences(byte[], byte) Use `ArrayUtils.removeAllOccurrences(byte[], byte)`
  org.apache.commons.lang3.ArrayUtils.removeAllOccurences(char[], char) Use `ArrayUtils.removeAllOccurrences(char[], char)`
  org.apache.commons.lang3.ArrayUtils.removeAllOccurences(double[], double) Use `ArrayUtils.removeAllOccurrences(double[], double)`
  org.apache.commons.lang3.ArrayUtils.removeAllOccurences(float[], float) Use `ArrayUtils.removeAllOccurrences(float[], float)`
  org.apache.commons.lang3.ArrayUtils.removeAllOccurences(int[], int) Use `ArrayUtils.removeAllOccurrences(int[], int)`
  org.apache.commons.lang3.ArrayUtils.removeAllOccurences(long[], long) Use `ArrayUtils.removeAllOccurrences(long[], long)`
  org.apache.commons.lang3.ArrayUtils.removeAllOccurences(short[], short) Use `ArrayUtils.removeAllOccurrences(short[], short)`
  org.apache.commons.lang3.ArrayUtils.removeAllOccurences(T[], T) Use `ArrayUtils.removeAllOccurrences(Object[], Object)`
  org.apache.commons.lang3.reflect.FieldUtils.removeFinalModifier(Field, boolean) As of Java 12, we can no longer drop the `final` modifier, thus rendering this method obsolete. The JDK discussion about this change can be found here: http://mail.openjdk.java.net/pipermail/core-libs-dev/2018-November/056486.html
  org.apache.commons.lang3.StringUtils.removeFirst(String, String) Moved to RegExUtils.
  org.apache.commons.lang3.StringUtils.removePattern(String, String) Moved to RegExUtils.
  org.apache.commons.lang3.StringUtils.replaceAll(String, String, String) Moved to RegExUtils.
  org.apache.commons.lang3.StringUtils.replaceFirst(String, String, String) Moved to RegExUtils.
  org.apache.commons.lang3.StringUtils.replacePattern(String, String, String) Moved to RegExUtils.
  org.apache.commons.lang3.CharUtils.toCharacterObject(char) Java 5 introduced `Character.valueOf(char)` which caches chars 0 through 127.
  org.apache.commons.lang3.StringUtils.toString(byte[], String) use `StringUtils.toEncodedString(byte[], Charset)` instead of String constants in your code
  org.apache.commons.lang3.ObjectUtils.toString(Object) this method has been replaced by `java.util.Objects.toString(Object)` in Java 7 and will be removed in future releases. Note however that said method will return "null" for null references, while this method returns an empty String. To preserve behavior use `java.util.Objects.toString(myObject, "")`
  org.apache.commons.lang3.ObjectUtils.toString(Object, String) this method has been replaced by `java.util.Objects.toString(Object, String)` in Java 7 and will be removed in future releases.

- Deprecated Enum Constants
  Enum Constant and Description
  org.apache.commons.lang3.JavaVersion.JAVA_1_9 As of release 3.5, replaced by `JavaVersion.JAVA_9`

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