| Field and Description | 
|---|
| org.apache.commons.lang3.StringEscapeUtils.ESCAPE_XML use  StringEscapeUtils.ESCAPE_XML10orStringEscapeUtils.ESCAPE_XML11instead. | 
| 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.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. | 
| 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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