[#BloombergLP-bdlde-HexEncoder-2constructor] = xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlde.adoc[bdlde]::xref:BloombergLP/bdlde/HexEncoder.adoc[HexEncoder]::HexEncoder :relfileprefix: ../../../ :mrdocs: Create a Hex encoder in the initial state. Optionally specify the `upperCaseLetters` to indicate if values from 10 to 15 are encoded as uppercase letters(`A`‐`F`) or as lowercase letters(`a`‐`f`). == Synopsis Declared in `<bdlde_hexencoder.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- explicit HexEncoder(bool upperCaseLetters = true); ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#