RFR: 8289797: tools/launcher/I18NArgTest.java fails on Japanese Windows environment [v3]

[KIRIYAMA Takuya]

On Fri, 16 Sep 2022 16:19:35 GMT, Naoto Sato <naoto at openjdk.org> wrote:

>> Extract to a byte array with the appropriate charset and then HexFormat the bytearray.
>> 
>> 
>>     var SysPropHexVal = HexFormat.of().formatHex(sysPropVal.getBytes(StandardCharsets.UTF_16));
>
> Thanks, Roger. You beat me to it 🙂

Thank you, I fixed it. In addition, since the return value of formatHex is four digits, I fixed the second argument passed to execTest to match that format.

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PR: https://git.openjdk.org/jdk/pull/9389